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Full vulnerability report · 2024
CVE-2022-49006High confidence

tracing: Free buffers when a used dynamic event is removed

Linux · Linux

7.8HighCVSS 3.1
Recommended action
Patch only the product branches with a verified fix

High technical severity; prioritise exposed affected systems while verifying vendor guidance. Verified remediation exists for at least one product or source, but 1 structured product or package state remain unresolved. Apply remediation only to the exact product branch confirmed by its source.

Fix availability varies by product
R
Operational reassessment

Published severity in operational context

Open reassessment dashboard →
Published severityHighOperational priority:Medium, lowered one band.downgradedsince 11 May 2026

Evidence used

  • No CISA KEV confirmation is currently recorded.
  • Exploitation requires an existing local or physical foothold with privileges.
  • EPSS is 0.26% for the current model date.

Compensating controls

  • Validate the affected product branch and deploy the verified fixed release.
  • Restrict local access and enforce least privilege on affected hosts.
  • Monitor vendor guidance and exploitation sources for a material change.

Verification

  1. Confirm that the asset runs Linux Linux and falls inside the recorded affected range.
  2. Verify the installed build against the product-specific fixed version after deployment.
  3. Validate exposure, authentication requirements and compensating controls in the actual environment.
  4. Reopen this reassessment when CVSS, KEV, EPSS, exploit evidence or remediation changes.
Mitigation target: As exposure requiresRemediation target: Within 365 days

This automated reassessment organises public evidence. It does not know asset exposure, business impact or control effectiveness and does not replace CVSS or a human risk decision.

Cross-source reconciliation

Remediation availability differs by product scope

Verified remediation exists for at least one product or source, but 1 structured product or package state remain unresolved. Apply remediation only to the exact product branch confirmed by its source.

Distribution package intelligence

Release-specific package status

Debian, ubuntu findings are scoped to the named distribution, release and source package. An absent finding does not mean a package is unaffected.

5 package states
Package result overrides the generic status

BlackTree has verified remediation for at least one product or source, but the relevant distribution still reports no fixed package for 1 affected package state shown here. Treat those rows as affected with no fix until that distribution publishes a fixed version.

Repository candidate not checked

A published vendor fix does not prove that a matching update is enabled and installable on a particular asset. Confirm the local package candidate before scheduling remediation.

Distribution releaseSource packageVendor stateFixed versionEvidence
Debian trixietrixie · sourcelinuxVendor fix publishedDebian records a fixed source-package version for this release.6.0.12-1Debian Security Tracker ↗Source updated 5 Oct 2026
Debian bookwormbookworm · sourcelinuxVendor fix publishedDebian records a fixed source-package version for this release.6.0.12-1Debian Security Tracker ↗Source updated 5 Oct 2026
Debian forkyforky · sourcelinuxVendor fix publishedDebian records a fixed source-package version for this release.6.0.12-1Debian Security Tracker ↗Source updated 5 Oct 2026
Debian sidsid · sourcelinuxVendor fix publishedDebian records a fixed source-package version for this release.6.0.12-1Debian Security Tracker ↗Source updated 5 Oct 2026
Ubuntu 24.04 LTSnoble · standard archivelinux-raspi-realtimeAffected, no fix publishedCanonical OVAL identifies this running kernel flavour as affected and does not publish a fixed package version in this definition.Not published in this feedCanonical Ubuntu Security ↗Source updated 5 Oct 2026
Direct vendor intelligence

Authoritative vendor CSAF and VEX advisories

Structured product status and remediation from the issuing vendor. Product-state explanations are always visible; large lists can be searched or downloaded.

2 current
CVE-2022-49006 · CSAF 2.0 · revision 11 · interimSUSE Product Security TeamCVE-2022-49006
183 known affected

The vendor explicitly identifies these products as affected by this CVE.

  • kernel-default as component of SUSE Linux Enterprise High Availability Extension 12 SP5
  • kernel-source as component of SUSE Linux Enterprise High Availability Extension 12 SP5
  • cluster-md-kmp-default as component of SUSE Linux Enterprise High Availability Extension 15 SP2
  • dlm-kmp-default as component of SUSE Linux Enterprise High Availability Extension 15 SP2
  • gfs2-kmp-default as component of SUSE Linux Enterprise High Availability Extension 15 SP2
  • kernel-default as component of SUSE Linux Enterprise High Availability Extension 15 SP2
  • kernel-source as component of SUSE Linux Enterprise High Availability Extension 15 SP2
  • ocfs2-kmp-default as component of SUSE Linux Enterprise High Availability Extension 15 SP2
  • kernel-default as component of SUSE Linux Enterprise High Performance Computing 12 SP2
  • kernel-default-base as component of SUSE Linux Enterprise High Performance Computing 12 SP2
  • kernel-default-devel as component of SUSE Linux Enterprise High Performance Computing 12 SP2
  • kernel-default-man as component of SUSE Linux Enterprise High Performance Computing 12 SP2
Summary
In the Linux kernel, the following vulnerability has been resolved: tracing: Free buffers when a used dynamic event is removed After 65536 dynamic events have been added and removed, the "type" field of the event then uses the first type number that is available (not currently used by other events). A type number is the identifier of the binary blobs in the tracing ring buffer (known as events) to map them to logic that can parse the binary blob. The issue is that if a dynamic event (like a kprobe event) is traced and is in the ring buffer, and then that event is removed (because it is dynamic, which means it can be created and destroyed), if another dynamic event is created that has the same number that new event's logic on parsing the binary blob will be used. To show how this can be an issue, the following can crash the kernel: # cd /sys/kernel/tracing # for i in `seq 65536`; do echo 'p:kprobes/foo do_sys_openat2 $arg1:u32' > kprobe_events # done For every iteration of the above, the writing to the kprobe_events will remove the old event and create a new one (with the same format) and increase the type number to the next available on until the type number reaches over 65535 which is the max number for the 16 bit type. After it reaches that number, the logic to allocate a new number simply looks for the next available number. When an dynamic event is removed, that number is then available to be reused by the next dynamic event created. That is, once the above reaches the max number, the number assigned to the event in that loop will remain the same. Now that means deleting one dynamic event and created another will reuse the previous events type number. This is where bad things can happen. After the above loop finishes, the kprobes/foo event which reads the do_sys_openat2 function call's first parameter as an integer. # echo 1 > kprobes/foo/enable # cat /etc/passwd > /dev/null # cat trace cat-2211 [005] .... 2007.849603: foo: (do_sys_openat2+0x0/0x130) arg1=4294967196 cat-2211 [005] .... 2007.849620: foo: (do_sys_openat2+0x0/0x130) arg1=4294967196 cat-2211 [005] .... 2007.849838: foo: (do_sys_openat2+0x0/0x130) arg1=4294967196 cat-2211 [005] .... 2007.849880: foo: (do_sys_openat2+0x0/0x130) arg1=4294967196 # echo 0 > kprobes/foo/enable Now if we delete the kprobe and create a new one that reads a string: # echo 'p:kprobes/foo do_sys_openat2 +0($arg2):string' > kprobe_events And now we can the trace: # cat trace sendmail-1942 [002] ..... 530.136320: foo: (do_sys_openat2+0x0/0x240) arg1= cat-2046 [004] ..... 530.930817: foo: (do_sys_openat2+0x0/0x240) arg1="������������������������������������������������������������������������������������������������" cat-2046 [004] ..... 530.930961: foo: (do_sys_openat2+0x0/0x240) arg1="������������������������������������������������������������������������������������������������" cat-2046 [004] ..... 530.934278: foo: (do_sys_openat2+0x0/0x240) arg1="������������������������������������������������������������������������������������������������" cat-2046 [004] ..... 530.934563: foo: (do_sys_openat2+0x0/0x240) arg1="��������������������������������������� ---truncated---
Remediation
To install this SUSE Security Update use the SUSE recommended installation methods like YaST online_update or "zypper patch".
CVE-2022-49006 · CSAF 2.0 · revision 3 · finalRed Hat Product Securitykernel: tracing: Free buffers when a used dynamic event is removed
112 known affected

The vendor explicitly identifies these products as affected by this CVE.

  • kernel as a component of Red Hat Enterprise Linux 6
  • kernel-abi-whitelists as a component of Red Hat Enterprise Linux 6
  • kernel-bootwrapper as a component of Red Hat Enterprise Linux 6
  • kernel-debug as a component of Red Hat Enterprise Linux 6
  • kernel-debug-devel as a component of Red Hat Enterprise Linux 6
  • kernel-devel as a component of Red Hat Enterprise Linux 6
  • kernel-doc as a component of Red Hat Enterprise Linux 6
  • kernel-firmware as a component of Red Hat Enterprise Linux 6
  • kernel-headers as a component of Red Hat Enterprise Linux 6
  • kernel-kdump as a component of Red Hat Enterprise Linux 6
  • kernel-kdump-devel as a component of Red Hat Enterprise Linux 6
  • kernel.src as a component of Red Hat Enterprise Linux 6
Summary
A flaw was found in the Linux kernel's tracing component. A local attacker can exploit this vulnerability by repeatedly adding and removing dynamic tracing events. This action can lead to the reuse of event type numbers, causing the kernel to crash and resulting in a denial of service. Additionally, it may lead to information disclosure by misinterpreting data in the tracing ring buffer.
Remediation
For details on how to apply this update, which includes the changes described in this advisory, refer to: https://access.redhat.com/articles/11258 The system must be rebooted for this update to take effect.
Optional official sources

National CERT insights
?CERT means Computer Emergency Response Team; CSIRT is the closely related term Computer Security Incident Response Team.

Choose official national sources for this report. Each advisory shows its original language. Your selection is remembered on this device and included in shared links.

Official European source

ENISA European Vulnerability Database

Official EUVD identifiers, advisory evidence and known-exploited context. Missing fields are not treated as evidence of low risk.

1 current
ENISA EUVD identifier

EUVD-2022-53890

No EUVD known-exploited evidence

ENISA has published the identifier mapping but no EUVD description has been stored yet.

EUVD state
Present in the current official mapping
Known exploitation
Not present in the current ENISA EUVD known-exploited dataset. This is not proof of no exploitation.
ENISA score
Not supplied in the stored EUVD record
Advisory evidence
No linked advisory details stored yet
Recommended actionPatch only the product branches with a verified fix

High technical severity; prioritise exposed affected systems while verifying vendor guidance. Verified remediation exists for at least one product or source, but 1 structured product or package state remain unresolved. Apply remediation only to the exact product branch confirmed by its source.

Fix availability varies by product
01

What, why and how

In the Linux kernel, the following vulnerability has been resolved: tracing: Free buffers when a used dynamic event is removed After 65536 dynamic events have been added and removed, the "type" field of the event then uses the first type number that is available (not currently used by other events). A type number is the identifier of the binary blobs in the tracing ring buffer (known as events) to map them to logic that can parse the binary blob. The issue is that if a dynamic event (like a kprobe event) is traced and is in the ring buffer, and then that event is removed (because it is dynamic, which means it can be created and destroyed), if another dynamic event is created that has the same number that new event's logic on parsing the binary blob will be used. To show how this can be an issue, the following can crash the kernel: # cd /sys/kernel/tracing # for i in `seq 65536`; do echo 'p:kprobes/foo do_sys_openat2 $arg1:u32' > kprobe_events # done For every iteration of the above, the writing to the kprobe_events will remove the old event and create a new one (with the same format) and increase the type number to the next available on until the type number reaches over 65535 which is the max number for the 16 bit type. After it reaches that number, the logic to allocate a new number simply looks for the next available number. When an dynamic event is removed, that number is then available to be reused by the next dynamic event created. That is, once the above reaches the max number, the number assigned to the event in that loop will remain the same. Now that means deleting one dynamic event and created another will reuse the previous events type number. This is where bad things can happen. After the above loop finishes, the kprobes/foo event which reads the do_sys_openat2 function call's first parameter as an integer. # echo 1 > kprobes/foo/enable # cat /etc/passwd > /dev/null # cat trace cat-2211 [005] .... 2007.849603: foo: (do_sys_openat2+0x0/0x130) arg1=4294967196 cat-2211 [005] .... 2007.849620: foo: (do_sys_openat2+0x0/0x130) arg1=4294967196 cat-2211 [005] .... 2007.849838: foo: (do_sys_openat2+0x0/0x130) arg1=4294967196 cat-2211 [005] .... 2007.849880: foo: (do_sys_openat2+0x0/0x130) arg1=4294967196 # echo 0 > kprobes/foo/enable Now if we delete the kprobe and create a new one that reads a string: # echo 'p:kprobes/foo do_sys_openat2 +0($arg2):string' > kprobe_events And now we can the trace: # cat trace sendmail-1942 [002] ..... 530.136320: foo: (do_sys_openat2+0x0/0x240) arg1= cat-2046 [004] ..... 530.930817: foo: (do_sys_openat2+0x0/0x240) arg1="������������������������������������������������������������������������������������������������" cat-2046 [004] ..... 530.930961: foo: (do_sys_openat2+0x0/0x240) arg1="������������������������������������������������������������������������������������������������" cat-2046 [004] ..... 530.934278: foo: (do_sys_openat2+0x0/0x240) arg1="������������������������������������������������������������������������������������������������" cat-2046 [004] ..... 530.934563: foo: (do_sys_openat2+0x0/0x240) arg1="��������������������������������������� ---truncated---

What

In the Linux kernel, the following vulnerability has been resolved: tracing: Free buffers when a used dynamic event is removed After 65536 dynamic events have been added and removed, the "type" field of the event then uses the first type number that is available (not currently used by other events). A type number is the identifier of the binary blobs in the tracing ring buffer (known as events) to map them to logic that can parse the binary blob. The issue is that if a dynamic event (like a kprobe event) is traced and is in the ring buffer, and then that event is removed (because it is dynamic, which means it can be created and destroyed), if another dynamic event is created that has the same number that new event's logic on parsing the binary blob will be used. To show how this can be an issue, the following can crash the kernel: # cd /sys/kernel/tracing # for i in `seq 65536`; do echo 'p:kprobes/foo do_sys_openat2 $arg1:u32' > kprobe_events # done For every iteration of the above, the writing to the kprobe_events will remove the old event and create a new one (with the same format) and increase the type number to the next available on until the type number reaches over 65535 which is the max number for the 16 bit type. After it reaches that number, the logic to allocate a new number simply looks for the next available number. When an dynamic event is removed, that number is then available to be reused by the next dynamic event created. That is, once the above reaches the max number, the number assigned to the event in that loop will remain the same. Now that means deleting one dynamic event and created another will reuse the previous events type number. This is where bad things can happen. After the above loop finishes, the kprobes/foo event which reads the do_sys_openat2 function call's first parameter as an integer. # echo 1 > kprobes/foo/enable # cat /etc/passwd > /dev/null # cat trace cat-2211 [005] .... 2007.849603: foo: (do_sys_openat2+0x0/0x130) arg1=4294967196 cat-2211 [005] .... 2007.849620: foo: (do_sys_openat2+0x0/0x130) arg1=4294967196 cat-2211 [005] .... 2007.849838: foo: (do_sys_openat2+0x0/0x130) arg1=4294967196 cat-2211 [005] .... 2007.849880: foo: (do_sys_openat2+0x0/0x130) arg1=4294967196 # echo 0 > kprobes/foo/enable Now if we delete the kprobe and create a new one that reads a string: # echo 'p:kprobes/foo do_sys_openat2 +0($arg2):string' > kprobe_events And now we can the trace: # cat trace sendmail-1942 [002] ..... 530.136320: foo: (do_sys_openat2+0x0/0x240) arg1= cat-2046 [004] ..... 530.930817: foo: (do_sys_openat2+0x0/0x240) arg1="������������������������������������������������������������������������������������������������" cat-2046 [004] ..... 530.930961: foo: (do_sys_openat2+0x0/0x240) arg1="������������������������������������������������������������������������������������������������" cat-2046 [004] ..... 530.934278: foo: (do_sys_openat2+0x0/0x240) arg1="������������������������������������������������������������������������������������������������" cat-2046 [004] ..... 530.934563: foo: (do_sys_openat2+0x0/0x240) arg1="��������������������������������������� ---truncated---

Why

The program can continue using memory after it has been released, producing unsafe and attacker-influenceable behaviour.

How

An attacker operating through local access may attempt exploitation with low privileges. If successful, the issue may disrupt the affected service.

What

In the Linux kernel, the following vulnerability has been resolved: tracing: Free buffers when a used dynamic event is removed After 65536 dynamic events have been added and removed, the "type" field of the event then uses the first type number that is available (not currently used by other events). A type number is the identifier of the binary blobs in the tracing ring buffer (known as events) to map them to logic that can parse the binary blob. The issue is that if a dynamic event (like a kprobe event) is traced and is in the ring buffer, and then that event is removed (because it is dynamic, which means it can be created and destroyed), if another dynamic event is created that has the same number that new event's logic on parsing the binary blob will be used. To show how this can be an issue, the following can crash the kernel: # cd /sys/kernel/tracing # for i in `seq 65536`; do echo 'p:kprobes/foo do_sys_openat2 $arg1:u32' > kprobe_events # done For every iteration of the above, the writing to the kprobe_events will remove the old event and create a new one (with the same format) and increase the type number to the next available on until the type number reaches over 65535 which is the max number for the 16 bit type. After it reaches that number, the logic to allocate a new number simply looks for the next available number. When an dynamic event is removed, that number is then available to be reused by the next dynamic event created. That is, once the above reaches the max number, the number assigned to the event in that loop will remain the same. Now that means deleting one dynamic event and created another will reuse the previous events type number. This is where bad things can happen. After the above loop finishes, the kprobes/foo event which reads the do_sys_openat2 function call's first parameter as an integer. # echo 1 > kprobes/foo/enable # cat /etc/passwd > /dev/null # cat trace cat-2211 [005] .... 2007.849603: foo: (do_sys_openat2+0x0/0x130) arg1=4294967196 cat-2211 [005] .... 2007.849620: foo: (do_sys_openat2+0x0/0x130) arg1=4294967196 cat-2211 [005] .... 2007.849838: foo: (do_sys_openat2+0x0/0x130) arg1=4294967196 cat-2211 [005] .... 2007.849880: foo: (do_sys_openat2+0x0/0x130) arg1=4294967196 # echo 0 > kprobes/foo/enable Now if we delete the kprobe and create a new one that reads a string: # echo 'p:kprobes/foo do_sys_openat2 +0($arg2):string' > kprobe_events And now we can the trace: # cat trace sendmail-1942 [002] ..... 530.136320: foo: (do_sys_openat2+0x0/0x240) arg1= cat-2046 [004] ..... 530.930817: foo: (do_sys_openat2+0x0/0x240) arg1="������������������������������������������������������������������������������������������������" cat-2046 [004] ..... 530.930961: foo: (do_sys_openat2+0x0/0x240) arg1="������������������������������������������������������������������������������������������������" cat-2046 [004] ..... 530.934278: foo: (do_sys_openat2+0x0/0x240) arg1="������������������������������������������������������������������������������������������������" cat-2046 [004] ..... 530.934563: foo: (do_sys_openat2+0x0/0x240) arg1="��������������������������������������� ---truncated---

Why

The program can continue using memory after it has been released, producing unsafe and attacker-influenceable behaviour.

How

An attacker operating through local access may attempt exploitation with low privileges. If successful, the issue may disrupt the affected service.

02

Exploit reality and attack path

CVSS severity, EPSS forecast probability, public exploit material and CISA-confirmed exploitation are separate signals.

Observed exploitation
?Confirmed exploitation and public exploit material are separate signals. Attacks can occur without public proof-of-concept or exploit code.
No confirmed evidence

No CISA KEV match was present at the last successful refresh. This means no confirmation from that source, not proof of no exploitation.

Public PoC / exploit material
?Confirmed exploitation and public exploit material are separate signals. Attacks can occur without public proof-of-concept or exploit code.
None recorded

No exploit-tagged reference or CISA SSVC proof-of-concept state is currently recorded. Research may still exist outside the structured feeds.

Likely attack path
local access → Use After Free → disrupt the affected service
Attack surface
Local
Privileges required
Low: a basic authenticated account is required
User interaction
None
Attack complexity
Low: no specialised conditions are recorded
Security boundary
Unchanged: impact remains within the vulnerable component's security authority
Weakness
?CWE means Common Weakness Enumeration: a standard category for the underlying weakness.
CWE-416 ↗

CWE-416: Use After Free. The product reuses or references memory after it has been freed. At some point afterward, the memory may be allocated again and saved in another pointer, while the original pointer references a location somewhere within the new allocation. Any operations using the original pointer are no longer valid because the memory belongs to the code that operates on the new pointer.

CVSS vector
?CVSS means Common Vulnerability Scoring System. The vector records the metric values used to calculate technical severity.
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

Common Vulnerability Scoring System 3.1: the compact vector below is decoded into plain language.

AVLocalAttack vector: The attacker needs local access to the vulnerable system.ACLowAttack complexity: No specialised conditions are required beyond attacker-controlled input.PRLowPrivileges required: The attacker needs basic user-level privileges.UINoneUser interaction: No action by another user is required.SUnchangedScope: The security impact remains within the vulnerable component's authority.CHighConfidentiality impact: A successful attack can cause a major loss.IHighIntegrity impact: A successful attack can cause a major loss.AHighAvailability impact: A successful attack can cause a major loss.
Post-exploitation / living off the land
The issue can support a local privilege or sandbox boundary transition; normal system utilities may then be available in the gained context.
Denial of serviceCWE-416
A

Official authority intelligence

Only matched European and national findings are included. Language selectors and unavailable sources are omitted.

BSI · German · WID-SEC-2024-3251Linux Kernel: Mehrere Schwachstellen ermöglichen Denial of Service

Ein Angreifer kann mehrere Schwachstellen in Linux Kernel ausnutzen, um einen Denial of Service Angriff durchzuführen oder andere, nicht näher bekannte Auswirkungen zu erzielen..

Official advisory ↗
Cyber Security Agency of Singapore · English · CSA-SB-20241023Security Bulletin 23 Oct 2024

The Cyber Security Agency of Singapore included this CVE in its official Security Bulletin 23 Oct 2024, published on 23 October 2024. Open the linked bulletin for the product, severity and reference information published in that issue.

Official advisory ↗
CERT-FR · French · CERTFR-2025-AVI-1057Multiples vulnérabilités dans les produits VMware

ord?id=CVE-2022-48986 Référence CVE CVE-2022-48987 https://www.cve.org/CVERecord?id=CVE-2022-48987 Référence CVE CVE-2022-48988 https://www.cve.org/CVERecord?id=CVE-2022-48988 Référence CVE CVE-2022-48989 https://www.cve.org/CVERecord?id=CVE-2022-48989 Référence CVE CVE-2022-4899 https://www.cve.org/CVERecord?id=CVE-2022-4899 Référence CVE CVE-2022-48992 https://www.cve.org/CVERecord?id=CVE-2022-48992 Référence CVE CVE-2022-48994 https://www.cve.org/CVERecord?id=CVE-2022-48994 Référence CVE CVE-2022-48997 https://www.cve.org/CVERecord?id=CVE-2022-48997 Référence CVE CVE-2022-49005 https://www.cve.org/CVERecord?id=CVE-2022-49005 Référence CVE CVE-2022-49006 https://www.cve.org/CVERecord?id=CVE-2022-49006 Référence CVE CVE-2022-49011 https://www.cve.org/CVERecord?id=CVE-2022-49011 Référence CVE CVE-2022-49012 https://www.cve.org/CVERecord?id=CVE-2022-49012 Référence CVE CVE-2022-49013 https://www.cve.org/CVERecord?id=CVE-2022-49013 Référence CVE CVE-2022-49014 https://www.cve.org/CVERecord?id=CVE-2022-49014 Référence CVE CVE-2022-49015 https://www.cve.org/CVERecord?id=CVE-2022-49015 Référence CVE CVE-2022-49017 https://www.cve.org/CVERecord?id=CVE-2022-49017 Référence CVE CVE-2022-49018 https://www.cve.org/CVERecord?id=CVE-2022-49018 Référence CVE CVE-2022-49021 https://www.cve.org/CVERecord?id=

Official advisory ↗
CERT-FR · French · CERTFR-2025-AVI-0212Multiples vulnérabilités dans le noyau Linux de SUSE

ord?id=CVE-2021-47644 Référence CVE CVE-2022-2991 https://www.cve.org/CVERecord?id=CVE-2022-2991 Référence CVE CVE-2022-36280 https://www.cve.org/CVERecord?id=CVE-2022-36280 Référence CVE CVE-2022-48636 https://www.cve.org/CVERecord?id=CVE-2022-48636 Référence CVE CVE-2022-48650 https://www.cve.org/CVERecord?id=CVE-2022-48650 Référence CVE CVE-2022-48664 https://www.cve.org/CVERecord?id=CVE-2022-48664 Référence CVE CVE-2022-48742 https://www.cve.org/CVERecord?id=CVE-2022-48742 Référence CVE CVE-2022-48953 https://www.cve.org/CVERecord?id=CVE-2022-48953 Référence CVE CVE-2022-48975 https://www.cve.org/CVERecord?id=CVE-2022-48975 Référence CVE CVE-2022-49006 https://www.cve.org/CVERecord?id=CVE-2022-49006 Référence CVE CVE-2022-49033 https://www.cve.org/CVERecord?id=CVE-2022-49033 Référence CVE CVE-2022-49035 https://www.cve.org/CVERecord?id=CVE-2022-49035 Référence CVE CVE-2022-49076 https://www.cve.org/CVERecord?id=CVE-2022-49076 Référence CVE CVE-2022-49080 https://www.cve.org/CVERecord?id=CVE-2022-49080 Référence CVE CVE-2022-49089 https://www.cve.org/CVERecord?id=CVE-2022-49089 Référence CVE CVE-2022-49124 https://www.cve.org/CVERecord?id=CVE-2022-49124 Référence CVE CVE-2022-49134 https://www.cve.org/CVERecord?id=CVE-2022-49134 Référence CVE CVE-2022-49135 https://www.cve.org/CVERecord?id=

Official advisory ↗
CERT-FR · French · CERTFR-2024-AVI-1102Multiples vulnérabilités dans le noyau Linux de SUSE

d?id=CVE-2022-48992 Référence CVE CVE-2022-48994 https://www.cve.org/CVERecord?id=CVE-2022-48994 Référence CVE CVE-2022-48995 https://www.cve.org/CVERecord?id=CVE-2022-48995 Référence CVE CVE-2022-48997 https://www.cve.org/CVERecord?id=CVE-2022-48997 Référence CVE CVE-2022-48999 https://www.cve.org/CVERecord?id=CVE-2022-48999 Référence CVE CVE-2022-49000 https://www.cve.org/CVERecord?id=CVE-2022-49000 Référence CVE CVE-2022-49002 https://www.cve.org/CVERecord?id=CVE-2022-49002 Référence CVE CVE-2022-49003 https://www.cve.org/CVERecord?id=CVE-2022-49003 Référence CVE CVE-2022-49005 https://www.cve.org/CVERecord?id=CVE-2022-49005 Référence CVE CVE-2022-49006 https://www.cve.org/CVERecord?id=CVE-2022-49006 Référence CVE CVE-2022-49007 https://www.cve.org/CVERecord?id=CVE-2022-49007 Référence CVE CVE-2022-49010 https://www.cve.org/CVERecord?id=CVE-2022-49010 Référence CVE CVE-2022-49011 https://www.cve.org/CVERecord?id=CVE-2022-49011 Référence CVE CVE-2022-49012 https://www.cve.org/CVERecord?id=CVE-2022-49012 Référence CVE CVE-2022-49014 https://www.cve.org/CVERecord?id=CVE-2022-49014 Référence CVE CVE-2022-49015 https://www.cve.org/CVERecord?id=CVE-2022-49015 Référence CVE CVE-2022-49016 https://www.cve.org/CVERecord?id=CVE-2022-49016 Référence CVE CVE-2022-49017 https://www.cve.org/CVERecord?id=

Official advisory ↗
CERT-FR · French · CERTFR-2024-AVI-1048Multiples vulnérabilités dans le noyau Linux de SUSE

d?id=CVE-2022-48992 Référence CVE CVE-2022-48994 https://www.cve.org/CVERecord?id=CVE-2022-48994 Référence CVE CVE-2022-48995 https://www.cve.org/CVERecord?id=CVE-2022-48995 Référence CVE CVE-2022-48997 https://www.cve.org/CVERecord?id=CVE-2022-48997 Référence CVE CVE-2022-48999 https://www.cve.org/CVERecord?id=CVE-2022-48999 Référence CVE CVE-2022-49000 https://www.cve.org/CVERecord?id=CVE-2022-49000 Référence CVE CVE-2022-49002 https://www.cve.org/CVERecord?id=CVE-2022-49002 Référence CVE CVE-2022-49003 https://www.cve.org/CVERecord?id=CVE-2022-49003 Référence CVE CVE-2022-49005 https://www.cve.org/CVERecord?id=CVE-2022-49005 Référence CVE CVE-2022-49006 https://www.cve.org/CVERecord?id=CVE-2022-49006 Référence CVE CVE-2022-49007 https://www.cve.org/CVERecord?id=CVE-2022-49007 Référence CVE CVE-2022-49010 https://www.cve.org/CVERecord?id=CVE-2022-49010 Référence CVE CVE-2022-49011 https://www.cve.org/CVERecord?id=CVE-2022-49011 Référence CVE CVE-2022-49012 https://www.cve.org/CVERecord?id=CVE-2022-49012 Référence CVE CVE-2022-49014 https://www.cve.org/CVERecord?id=CVE-2022-49014 Référence CVE CVE-2022-49015 https://www.cve.org/CVERecord?id=CVE-2022-49015 Référence CVE CVE-2022-49016 https://www.cve.org/CVERecord?id=CVE-2022-49016 Référence CVE CVE-2022-49019 https://www.cve.org/CVERecord?id=

Official advisory ↗
CERT-FR · French · CERTFR-2024-AVI-1033Multiples vulnérabilités dans le noyau Linux de SUSE

d?id=CVE-2022-48992 Référence CVE CVE-2022-48994 https://www.cve.org/CVERecord?id=CVE-2022-48994 Référence CVE CVE-2022-48995 https://www.cve.org/CVERecord?id=CVE-2022-48995 Référence CVE CVE-2022-48997 https://www.cve.org/CVERecord?id=CVE-2022-48997 Référence CVE CVE-2022-48999 https://www.cve.org/CVERecord?id=CVE-2022-48999 Référence CVE CVE-2022-49000 https://www.cve.org/CVERecord?id=CVE-2022-49000 Référence CVE CVE-2022-49002 https://www.cve.org/CVERecord?id=CVE-2022-49002 Référence CVE CVE-2022-49003 https://www.cve.org/CVERecord?id=CVE-2022-49003 Référence CVE CVE-2022-49005 https://www.cve.org/CVERecord?id=CVE-2022-49005 Référence CVE CVE-2022-49006 https://www.cve.org/CVERecord?id=CVE-2022-49006 Référence CVE CVE-2022-49007 https://www.cve.org/CVERecord?id=CVE-2022-49007 Référence CVE CVE-2022-49010 https://www.cve.org/CVERecord?id=CVE-2022-49010 Référence CVE CVE-2022-49011 https://www.cve.org/CVERecord?id=CVE-2022-49011 Référence CVE CVE-2022-49012 https://www.cve.org/CVERecord?id=CVE-2022-49012 Référence CVE CVE-2022-49014 https://www.cve.org/CVERecord?id=CVE-2022-49014 Référence CVE CVE-2022-49015 https://www.cve.org/CVERecord?id=CVE-2022-49015 Référence CVE CVE-2022-49016 https://www.cve.org/CVERecord?id=CVE-2022-49016 Référence CVE CVE-2022-49019 https://www.cve.org/CVERecord?id=

Official advisory ↗
CERT-FR · French · CERTFR-2024-AVI-0999Multiples vulnérabilités dans le noyau Linux de SUSE

d?id=CVE-2022-48992 Référence CVE CVE-2022-48994 https://www.cve.org/CVERecord?id=CVE-2022-48994 Référence CVE CVE-2022-48995 https://www.cve.org/CVERecord?id=CVE-2022-48995 Référence CVE CVE-2022-48997 https://www.cve.org/CVERecord?id=CVE-2022-48997 Référence CVE CVE-2022-48999 https://www.cve.org/CVERecord?id=CVE-2022-48999 Référence CVE CVE-2022-49000 https://www.cve.org/CVERecord?id=CVE-2022-49000 Référence CVE CVE-2022-49002 https://www.cve.org/CVERecord?id=CVE-2022-49002 Référence CVE CVE-2022-49003 https://www.cve.org/CVERecord?id=CVE-2022-49003 Référence CVE CVE-2022-49005 https://www.cve.org/CVERecord?id=CVE-2022-49005 Référence CVE CVE-2022-49006 https://www.cve.org/CVERecord?id=CVE-2022-49006 Référence CVE CVE-2022-49007 https://www.cve.org/CVERecord?id=CVE-2022-49007 Référence CVE CVE-2022-49010 https://www.cve.org/CVERecord?id=CVE-2022-49010 Référence CVE CVE-2022-49011 https://www.cve.org/CVERecord?id=CVE-2022-49011 Référence CVE CVE-2022-49012 https://www.cve.org/CVERecord?id=CVE-2022-49012 Référence CVE CVE-2022-49014 https://www.cve.org/CVERecord?id=CVE-2022-49014 Référence CVE CVE-2022-49015 https://www.cve.org/CVERecord?id=CVE-2022-49015 Référence CVE CVE-2022-49016 https://www.cve.org/CVERecord?id=CVE-2022-49016 Référence CVE CVE-2022-49017 https://www.cve.org/CVERecord?id=

Official advisory ↗
JVN iPedia · Japanese · JVNDB-2022-025534Linux の Linux Kernel における解放済みメモリの使用に関する脆弱性

Linux の Linux Kernel には、解放済みメモリの使用に関する脆弱性が存在します。

Official advisory ↗
03

Patch and workaround

Operational remediation based on structured source evidence.

Status
?Patch availability is based on structured fixed-version fields and authoritative update references. If no fix is verified, check the vendor advisory before making a change.
Fix availability varies by product
Affected
Fixed
Linux: < 2.6.33, 5.4.226 ≤ 5.4.*, 5.10.158 ≤ 5.10.*, 5.15.82 ≤ 5.15.*, 6.0.12 ≤ 6.0.*, 6.1 ≤ *
Action
Use the product-specific evidence above. Patch only products with a verified fixed release, and keep every affected or under-investigation state without a matching fix in the remediation queue.
Workaround
No verified workaround is recorded. Limit untrusted access and use least privilege until authoritative guidance is available.
04

Evidence and provenance

Published 21 Oct 2024 · Last source change 11 May 2026, 18:51 UTC · CWE-416 · Use After Free

CVE recordCVE.org · 5.2
CVSS sourceNIST NVD
EPSS source
?The date BlackTree first stored a score for this CVE from the daily FIRST EPSS feed.
FIRST · tracked since 2026-08-14
European sourceENISA EUVD · EUVD-2022-53890
Product sourceVendor CSAF · SUSE Product Security Team
Remediation sourceVendor CSAF · SUSE Product Security Team
CWE sourceNIST NVD
NVD statusNVD modified after enrichment

Core structured fields are present and their contributing authorities are shown above.

Material change intelligence

What changed after publication

View recent updates ↗

No material field changes have been recorded since change tracking began. Routine source refreshes and cosmetic edits are intentionally excluded.

Material fields only · duplicate refreshes suppressed · history retained for the configured operational retention period
Technical terms and abbreviations used in this report
CVE
Common Vulnerabilities and Exposures: the public identifier for one disclosed vulnerability.
CVSS
Common Vulnerability Scoring System: a technical severity framework; it is not patching priority by itself.
EPSS
Exploit Prediction Scoring System: FIRST's estimate of the probability that exploitation activity will be observed in the next 30 days; it is a forecast, not confirmation.
CWE
Common Weakness Enumeration: the standard category describing the underlying software or hardware weakness.
CNA
CVE Numbering Authority: an organisation authorised to assign and publish CVE records.
CISA ADP
Cybersecurity and Infrastructure Security Agency Authorized Data Publisher: structured enrichment added to a CVE record.
NVD
National Vulnerability Database: NIST's enrichment service for CVE records.
CERT / CSIRT
A computer security incident response team that publishes warnings or coordinates incident response.
PoC
Proof of concept: public material that demonstrates or helps reproduce exploitation.
CSAF
Common Security Advisory Framework: a machine-readable format for security advisories.
LoTL
Living off the land: abuse of legitimate tools or system functions during an attack.
Free version - for non-commercial use only.CVE-2022-49006 · cve.blacktree.nl