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Full vulnerability report · 2024
CVE-2024-43850High confidence

soc: qcom: icc-bwmon: Fix refcount imbalance seen during bwmon_remove

Linux · Linux

5.5MediumCVSS 3.1
Recommended action
Scheduled

Medium technical severity with no CISA KEV confirmation; remediate through the normal risk-based patch cycle unless local exposure raises the priority.

Patch available
Distribution package intelligence

Ubuntu vendor package status

Canonical’s release and source-package findings are shown separately from local repository availability.

14 package states
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.

Ubuntu releaseSource packageVendor stateFixed versionEvidence
Ubuntu 24.04 LTSnoble · standard archivelinuxAffected, 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 record ↗Source updated 10 Sept 2026
Ubuntu 24.04 LTSnoble · standard archivelinux-awsAffected, 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 record ↗Source updated 10 Sept 2026
Ubuntu 24.04 LTSnoble · standard archivelinux-azureAffected, 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 record ↗Source updated 10 Sept 2026
Ubuntu 24.04 LTSnoble · standard archivelinux-gcpAffected, 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 record ↗Source updated 10 Sept 2026
Ubuntu 24.04 LTSnoble · standard archivelinux-gkeAffected, 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 record ↗Source updated 10 Sept 2026
Ubuntu 24.04 LTSnoble · standard archivelinux-gkeopAffected, 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 record ↗Source updated 10 Sept 2026
Ubuntu 24.04 LTSnoble · standard archivelinux-ibmAffected, 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 record ↗Source updated 10 Sept 2026
Ubuntu 24.04 LTSnoble · standard archivelinux-lowlatencyAffected, 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 record ↗Source updated 10 Sept 2026
Ubuntu 24.04 LTSnoble · standard archivelinux-nvidiaAffected, 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 record ↗Source updated 10 Sept 2026
Ubuntu 24.04 LTSnoble · standard archivelinux-nvidia-lowlatencyAffected, 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 record ↗Source updated 10 Sept 2026
Ubuntu 24.04 LTSnoble · standard archivelinux-oem-6.8Affected, 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 record ↗Source updated 10 Sept 2026
Ubuntu 24.04 LTSnoble · standard archivelinux-oracleAffected, 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 record ↗Source updated 10 Sept 2026
Ubuntu 24.04 LTSnoble · standard archivelinux-raspiAffected, 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 record ↗Source updated 10 Sept 2026
Ubuntu 24.04 LTSnoble · standard archivelinux-riscvAffected, 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 record ↗Source updated 10 Sept 2026
Optional official sources

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

Select the national-authority views to include. The exact source language is shown on each matched advisory. Your choice is remembered on this device and encoded in the shareable URL.

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-2024-40500

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 actionScheduled

Medium technical severity with no CISA KEV confirmation; remediate through the normal risk-based patch cycle unless local exposure raises the priority.

Patch available
01

What, why and how

In the Linux kernel, the following vulnerability has been resolved: soc: qcom: icc-bwmon: Fix refcount imbalance seen during bwmon_remove The following warning is seen during bwmon_remove due to refcount imbalance, fix this by releasing the OPPs after use. Logs: WARNING: at drivers/opp/core.c:1640 _opp_table_kref_release+0x150/0x158 Hardware name: Qualcomm Technologies, Inc. X1E80100 CRD (DT) ... Call trace: _opp_table_kref_release+0x150/0x158 dev_pm_opp_remove_table+0x100/0x1b4 devm_pm_opp_of_table_release+0x10/0x1c devm_action_release+0x14/0x20 devres_release_all+0xa4/0x104 device_unbind_cleanup+0x18/0x60 device_release_driver_internal+0x1ec/0x228 driver_detach+0x50/0x98 bus_remove_driver+0x6c/0xbc driver_unregister+0x30/0x60 platform_driver_unregister+0x14/0x20 bwmon_driver_exit+0x18/0x524 [icc_bwmon] __arm64_sys_delete_module+0x184/0x264 invoke_syscall+0x48/0x118 el0_svc_common.constprop.0+0xc8/0xe8 do_el0_svc+0x20/0x2c el0_svc+0x34/0xdc el0t_64_sync_handler+0x13c/0x158 el0t_64_sync+0x190/0x194 --[ end trace 0000000000000000 ]---

What

In the Linux kernel, the following vulnerability has been resolved: soc: qcom: icc-bwmon: Fix refcount imbalance seen during bwmon_remove The following warning is seen during bwmon_remove due to refcount imbalance, fix this by releasing the OPPs after use. Logs: WARNING: at drivers/opp/core.c:1640 _opp_table_kref_release+0x150/0x158 Hardware name: Qualcomm Technologies, Inc. X1E80100 CRD (DT) ... Call trace: _opp_table_kref_release+0x150/0x158 dev_pm_opp_remove_table+0x100/0x1b4 devm_pm_opp_of_table_release+0x10/0x1c devm_action_release+0x14/0x20 devres_release_all+0xa4/0x104 device_unbind_cleanup+0x18/0x60 device_release_driver_internal+0x1ec/0x228 driver_detach+0x50/0x98 bus_remove_driver+0x6c/0xbc driver_unregister+0x30/0x60 platform_driver_unregister+0x14/0x20 bwmon_driver_exit+0x18/0x524 [icc_bwmon] __arm64_sys_delete_module+0x184/0x264 invoke_syscall+0x48/0x118 el0_svc_common.constprop.0+0xc8/0xe8 do_el0_svc+0x20/0x2c el0_svc+0x34/0xdc el0t_64_sync_handler+0x13c/0x158 el0t_64_sync+0x190/0x194 --[ end trace 0000000000000000 ]---

Why

The current structured CVE record identifies a security weakness, but the root cause requires confirmation in the linked vendor material.

How

An attacker operating through local access may attempt exploitation with low privileges. If successful, the issue may cause the confidentiality, integrity or availability impact described by the vendor.

What

In the Linux kernel, the following vulnerability has been resolved: soc: qcom: icc-bwmon: Fix refcount imbalance seen during bwmon_remove The following warning is seen during bwmon_remove due to refcount imbalance, fix this by releasing the OPPs after use. Logs: WARNING: at drivers/opp/core.c:1640 _opp_table_kref_release+0x150/0x158 Hardware name: Qualcomm Technologies, Inc. X1E80100 CRD (DT) ... Call trace: _opp_table_kref_release+0x150/0x158 dev_pm_opp_remove_table+0x100/0x1b4 devm_pm_opp_of_table_release+0x10/0x1c devm_action_release+0x14/0x20 devres_release_all+0xa4/0x104 device_unbind_cleanup+0x18/0x60 device_release_driver_internal+0x1ec/0x228 driver_detach+0x50/0x98 bus_remove_driver+0x6c/0xbc driver_unregister+0x30/0x60 platform_driver_unregister+0x14/0x20 bwmon_driver_exit+0x18/0x524 [icc_bwmon] __arm64_sys_delete_module+0x184/0x264 invoke_syscall+0x48/0x118 el0_svc_common.constprop.0+0xc8/0xe8 do_el0_svc+0x20/0x2c el0_svc+0x34/0xdc el0t_64_sync_handler+0x13c/0x158 el0t_64_sync+0x190/0x194 --[ end trace 0000000000000000 ]---

Why

The current structured CVE record identifies a security weakness, but the root cause requires confirmation in the linked vendor material.

How

An attacker operating through local access may attempt exploitation with low privileges. If successful, the issue may cause the confidentiality, integrity or availability impact described by the vendor.

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 → vulnerable operation → cause the confidentiality, integrity or availability impact described by the vendor
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.
CWE not yet assigned
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:N/I:N/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.CNoneConfidentiality impact: No direct loss is represented by this metric.INoneIntegrity impact: No direct loss is represented by this metric.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.
A

Official authority intelligence

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

BSI · German · WID-SEC-W-2024-1875Linux Kernel: Mehrere Schwachstellen ermöglichen Denial of Service

Ein lokaler Angreifer kann mehrere Schwachstellen in Linux Kernel ausnutzen, um einen Denial of Service Angriff durchzuführen oder unbekannte Auswirkungen zu erzielen.

Official advisory
CERT-FR · French · CERTFR-2025-AVI-0022Multiples vulnérabilités dans le noyau Linux d'Ubuntu

d?id=CVE-2024-43839 Référence CVE CVE-2024-43840 https://www.cve.org/CVERecord?id=CVE-2024-43840 Référence CVE CVE-2024-43841 https://www.cve.org/CVERecord?id=CVE-2024-43841 Référence CVE CVE-2024-43842 https://www.cve.org/CVERecord?id=CVE-2024-43842 Référence CVE CVE-2024-43843 https://www.cve.org/CVERecord?id=CVE-2024-43843 Référence CVE CVE-2024-43845 https://www.cve.org/CVERecord?id=CVE-2024-43845 Référence CVE CVE-2024-43846 https://www.cve.org/CVERecord?id=CVE-2024-43846 Référence CVE CVE-2024-43847 https://www.cve.org/CVERecord?id=CVE-2024-43847 Référence CVE CVE-2024-43849 https://www.cve.org/CVERecord?id=CVE-2024-43849 Référence CVE CVE-2024-43850 https://www.cve.org/CVERecord?id=CVE-2024-43850 Référence CVE CVE-2024-43852 https://www.cve.org/CVERecord?id=CVE-2024-43852 Référence CVE CVE-2024-43853 https://www.cve.org/CVERecord?id=CVE-2024-43853 Référence CVE CVE-2024-43854 https://www.cve.org/CVERecord?id=CVE-2024-43854 Référence CVE CVE-2024-43856 https://www.cve.org/CVERecord?id=CVE-2024-43856 Référence CVE CVE-2024-43857 https://www.cve.org/CVERecord?id=CVE-2024-43857 Référence CVE CVE-2024-43858 https://www.cve.org/CVERecord?id=CVE-2024-43858 Référence CVE CVE-2024-43859 https://www.cve.org/CVERecord?id=CVE-2024-43859 Référence CVE CVE-2024-43860 https://www.cve.org/CVERecord?id=

Official advisory
CERT-FR · French · CERTFR-2024-AVI-1080Multiples vulnérabilités dans le noyau Linux d'Ubuntu

d?id=CVE-2024-43839 Référence CVE CVE-2024-43840 https://www.cve.org/CVERecord?id=CVE-2024-43840 Référence CVE CVE-2024-43841 https://www.cve.org/CVERecord?id=CVE-2024-43841 Référence CVE CVE-2024-43842 https://www.cve.org/CVERecord?id=CVE-2024-43842 Référence CVE CVE-2024-43843 https://www.cve.org/CVERecord?id=CVE-2024-43843 Référence CVE CVE-2024-43845 https://www.cve.org/CVERecord?id=CVE-2024-43845 Référence CVE CVE-2024-43846 https://www.cve.org/CVERecord?id=CVE-2024-43846 Référence CVE CVE-2024-43847 https://www.cve.org/CVERecord?id=CVE-2024-43847 Référence CVE CVE-2024-43849 https://www.cve.org/CVERecord?id=CVE-2024-43849 Référence CVE CVE-2024-43850 https://www.cve.org/CVERecord?id=CVE-2024-43850 Référence CVE CVE-2024-43852 https://www.cve.org/CVERecord?id=CVE-2024-43852 Référence CVE CVE-2024-43853 https://www.cve.org/CVERecord?id=CVE-2024-43853 Référence CVE CVE-2024-43854 https://www.cve.org/CVERecord?id=CVE-2024-43854 Référence CVE CVE-2024-43855 https://www.cve.org/CVERecord?id=CVE-2024-43855 Référence CVE CVE-2024-43856 https://www.cve.org/CVERecord?id=CVE-2024-43856 Référence CVE CVE-2024-43857 https://www.cve.org/CVERecord?id=CVE-2024-43857 Référence CVE CVE-2024-43858 https://www.cve.org/CVERecord?id=CVE-2024-43858 Référence CVE CVE-2024-43859 https://www.cve.org/CVERecord?id=

Official advisory
CERT-FR · French · CERTFR-2024-AVI-0822Multiples vulnérabilités dans le noyau Linux de SUSE

d?id=CVE-2024-43834 Référence CVE CVE-2024-43837 https://www.cve.org/CVERecord?id=CVE-2024-43837 Référence CVE CVE-2024-43839 https://www.cve.org/CVERecord?id=CVE-2024-43839 Référence CVE CVE-2024-43840 https://www.cve.org/CVERecord?id=CVE-2024-43840 Référence CVE CVE-2024-43841 https://www.cve.org/CVERecord?id=CVE-2024-43841 Référence CVE CVE-2024-43842 https://www.cve.org/CVERecord?id=CVE-2024-43842 Référence CVE CVE-2024-43846 https://www.cve.org/CVERecord?id=CVE-2024-43846 Référence CVE CVE-2024-43847 https://www.cve.org/CVERecord?id=CVE-2024-43847 Référence CVE CVE-2024-43849 https://www.cve.org/CVERecord?id=CVE-2024-43849 Référence CVE CVE-2024-43850 https://www.cve.org/CVERecord?id=CVE-2024-43850 Référence CVE CVE-2024-43851 https://www.cve.org/CVERecord?id=CVE-2024-43851 Référence CVE CVE-2024-43853 https://www.cve.org/CVERecord?id=CVE-2024-43853 Référence CVE CVE-2024-43854 https://www.cve.org/CVERecord?id=CVE-2024-43854 Référence CVE CVE-2024-43855 https://www.cve.org/CVERecord?id=CVE-2024-43855 Référence CVE CVE-2024-43856 https://www.cve.org/CVERecord?id=CVE-2024-43856 Référence CVE CVE-2024-43858 https://www.cve.org/CVERecord?id=CVE-2024-43858 Référence CVE CVE-2024-43860 https://www.cve.org/CVERecord?id=CVE-2024-43860 Référence CVE CVE-2024-43861 https://www.cve.org/CVERecord?id=

Official advisory
CERT-FR · French · CERTFR-2024-AVI-0779Multiples vulnérabilités dans le noyau Linux de SUSE

d?id=CVE-2024-43834 Référence CVE CVE-2024-43837 https://www.cve.org/CVERecord?id=CVE-2024-43837 Référence CVE CVE-2024-43839 https://www.cve.org/CVERecord?id=CVE-2024-43839 Référence CVE CVE-2024-43840 https://www.cve.org/CVERecord?id=CVE-2024-43840 Référence CVE CVE-2024-43841 https://www.cve.org/CVERecord?id=CVE-2024-43841 Référence CVE CVE-2024-43842 https://www.cve.org/CVERecord?id=CVE-2024-43842 Référence CVE CVE-2024-43846 https://www.cve.org/CVERecord?id=CVE-2024-43846 Référence CVE CVE-2024-43847 https://www.cve.org/CVERecord?id=CVE-2024-43847 Référence CVE CVE-2024-43849 https://www.cve.org/CVERecord?id=CVE-2024-43849 Référence CVE CVE-2024-43850 https://www.cve.org/CVERecord?id=CVE-2024-43850 Référence CVE CVE-2024-43851 https://www.cve.org/CVERecord?id=CVE-2024-43851 Référence CVE CVE-2024-43853 https://www.cve.org/CVERecord?id=CVE-2024-43853 Référence CVE CVE-2024-43854 https://www.cve.org/CVERecord?id=CVE-2024-43854 Référence CVE CVE-2024-43855 https://www.cve.org/CVERecord?id=CVE-2024-43855 Référence CVE CVE-2024-43856 https://www.cve.org/CVERecord?id=CVE-2024-43856 Référence CVE CVE-2024-43858 https://www.cve.org/CVERecord?id=CVE-2024-43858 Référence CVE CVE-2024-43860 https://www.cve.org/CVERecord?id=CVE-2024-43860 Référence CVE CVE-2024-43861 https://www.cve.org/CVERecord?id=

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.
Patch available
Affected
b9c2ae6cac403dee3195fda9eb28d8ee733b225b < aad41f4c169bcb800ae88123799bdf8cdec3d366; b9c2ae6cac403dee3195fda9eb28d8ee733b225b < 4100d4d019f8e140be1d4d3a9d8d93c1285f5d1c; b9c2ae6cac403dee3195fda9eb28d8ee733b225b < 24086640ab39396eb1a92d1cb1cd2f31b2677c52; 6.0
Fixed
< 6.0; 6.6.44 ≤ 6.6.*; 6.10.3 ≤ 6.10.*; 6.11 ≤ *
Action
Review the linked authoritative reference and apply the recorded fixed release appropriate to the affected product branch.
Workaround
No verified workaround is recorded. Limit untrusted access and use least privilege until authoritative guidance is available.
04

Evidence and provenance

Published 17 Aug 2024 · Last source change 11 May 2026, 20:31 UTC · CWE not yet assigned

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-2024-40500
Product sourceCNA
Remediation sourceCVE/CNA references
CWE sourceUnavailable
NVD statusNVD enriched

Missing structured fields: CWE classification. Missing data is not evidence of low risk; review the primary advisory.

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
CVE published
Fixed release or patch reference recorded
ENISA EUVD · EUVD-2024-40500↗CVE authority or vendor reference↗Patch or update reference↗Patch or update reference↗Official CVE record (CNA and ADP data)↗NVD record↗
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-2024-43850 · cve.blacktree.nl