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Full vulnerability report · 2024
CVE-2023-52641High confidence

fs/ntfs3: Add NULL ptr dereference checking at the end of attr_allocate_frame()

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.

1 package state
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 archivelinux-azure-fdeAffected, 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 11 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-2023-57265

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: fs/ntfs3: Add NULL ptr dereference checking at the end of attr_allocate_frame() It is preferable to exit through the out: label because internal debugging functions are located there.

What

In the Linux kernel, the following vulnerability has been resolved: fs/ntfs3: Add NULL ptr dereference checking at the end of attr_allocate_frame() It is preferable to exit through the out: label because internal debugging functions are located there.

Why

The product dereferences a pointer that it expects to be valid but is NULL.

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: fs/ntfs3: Add NULL ptr dereference checking at the end of attr_allocate_frame() It is preferable to exit through the out: label because internal debugging functions are located there.

Why

The product dereferences a pointer that it expects to be valid but is NULL.

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 → NULL Pointer Dereference → 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: a standard category for the underlying weakness.
CWE-476

CWE-476: NULL Pointer Dereference. The product dereferences a pointer that it expects to be valid but is NULL.

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.
CWE-476
A

Official authority intelligence

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

CERT-FR · French · CERTFR-2024-AVI-0717Multiples vulnérabilités dans le noyau Linux de SUSE

d?id=CVE-2023-52615 Référence CVE CVE-2023-52616 https://www.cve.org/CVERecord?id=CVE-2023-52616 Référence CVE CVE-2023-52618 https://www.cve.org/CVERecord?id=CVE-2023-52618 Référence CVE CVE-2023-52619 https://www.cve.org/CVERecord?id=CVE-2023-52619 Référence CVE CVE-2023-52622 https://www.cve.org/CVERecord?id=CVE-2023-52622 Référence CVE CVE-2023-52623 https://www.cve.org/CVERecord?id=CVE-2023-52623 Référence CVE CVE-2023-52631 https://www.cve.org/CVERecord?id=CVE-2023-52631 Référence CVE CVE-2023-52635 https://www.cve.org/CVERecord?id=CVE-2023-52635 Référence CVE CVE-2023-52640 https://www.cve.org/CVERecord?id=CVE-2023-52640 Référence CVE CVE-2023-52641 https://www.cve.org/CVERecord?id=CVE-2023-52641 Référence CVE CVE-2023-52645 https://www.cve.org/CVERecord?id=CVE-2023-52645 Référence CVE CVE-2023-52652 https://www.cve.org/CVERecord?id=CVE-2023-52652 Référence CVE CVE-2023-52653 https://www.cve.org/CVERecord?id=CVE-2023-52653 Référence CVE CVE-2023-52656 https://www.cve.org/CVERecord?id=CVE-2023-52656 Référence CVE CVE-2023-52657 https://www.cve.org/CVERecord?id=CVE-2023-52657 Référence CVE CVE-2023-52658 https://www.cve.org/CVERecord?id=CVE-2023-52658 Référence CVE CVE-2023-52659 https://www.cve.org/CVERecord?id=CVE-2023-52659 Référence CVE CVE-2023-52660 https://www.cve.org/CVERecord?id=

Official advisory ↗
CERT-FR · French · CERTFR-2024-AVI-0645Multiples vulnérabilités dans le noyau Linux d'Ubuntu

d?id=CVE-2023-52443 Référence CVE CVE-2023-52444 https://www.cve.org/CVERecord?id=CVE-2023-52444 Référence CVE CVE-2023-52447 https://www.cve.org/CVERecord?id=CVE-2023-52447 Référence CVE CVE-2023-52449 https://www.cve.org/CVERecord?id=CVE-2023-52449 Référence CVE CVE-2023-52469 https://www.cve.org/CVERecord?id=CVE-2023-52469 Référence CVE CVE-2023-52488 https://www.cve.org/CVERecord?id=CVE-2023-52488 Référence CVE CVE-2023-52497 https://www.cve.org/CVERecord?id=CVE-2023-52497 Référence CVE CVE-2023-52620 https://www.cve.org/CVERecord?id=CVE-2023-52620 Référence CVE CVE-2023-52640 https://www.cve.org/CVERecord?id=CVE-2023-52640 Référence CVE CVE-2023-52641 https://www.cve.org/CVERecord?id=CVE-2023-52641 Référence CVE CVE-2023-52644 https://www.cve.org/CVERecord?id=CVE-2023-52644 Référence CVE CVE-2023-52645 https://www.cve.org/CVERecord?id=CVE-2023-52645 Référence CVE CVE-2023-52650 https://www.cve.org/CVERecord?id=CVE-2023-52650 Référence CVE CVE-2023-52652 https://www.cve.org/CVERecord?id=CVE-2023-52652 Référence CVE CVE-2023-52656 https://www.cve.org/CVERecord?id=CVE-2023-52656 Référence CVE CVE-2023-52662 https://www.cve.org/CVERecord?id=CVE-2023-52662 Référence CVE CVE-2023-52699 https://www.cve.org/CVERecord?id=CVE-2023-52699 Référence CVE CVE-2023-52752 https://www.cve.org/CVERecord?id=

Official advisory ↗
CERT-FR · French · CERTFR-2024-AVI-0580Multiples vulnérabilités dans le noyau Linux d'Ubuntu

/notices/USN-6892-1 Référence CVE CVE-2021-33631 https://www.cve.org/CVERecord?id=CVE-2021-33631 Référence CVE CVE-2021-47063 https://www.cve.org/CVERecord?id=CVE-2021-47063 Référence CVE CVE-2023-52434 https://www.cve.org/CVERecord?id=CVE-2023-52434 Référence CVE CVE-2023-52447 https://www.cve.org/CVERecord?id=CVE-2023-52447 Référence CVE CVE-2023-52497 https://www.cve.org/CVERecord?id=CVE-2023-52497 Référence CVE CVE-2023-52615 https://www.cve.org/CVERecord?id=CVE-2023-52615 Référence CVE CVE-2023-52620 https://www.cve.org/CVERecord?id=CVE-2023-52620 Référence CVE CVE-2023-52640 https://www.cve.org/CVERecord?id=CVE-2023-52640 Référence CVE CVE-2023-52641 https://www.cve.org/CVERecord?id=CVE-2023-52641 Référence CVE CVE-2023-52644 https://www.cve.org/CVERecord?id=CVE-2023-52644 Référence CVE CVE-2023-52645 https://www.cve.org/CVERecord?id=CVE-2023-52645 Référence CVE CVE-2023-52650 https://www.cve.org/CVERecord?id=CVE-2023-52650 Référence CVE CVE-2023-52652 https://www.cve.org/CVERecord?id=CVE-2023-52652 Référence CVE CVE-2023-52656 https://www.cve.org/CVERecord?id=CVE-2023-52656 Référence CVE CVE-2023-52662 https://www.cve.org/CVERecord?id=CVE-2023-52662 Référence CVE CVE-2023-6270 https://www.cve.org/CVERecord?id=CVE-2023-6270 Référence CVE CVE-2023-7042 https://www.cve.org/CVERecord?id=CVE

Official advisory ↗
CERT-FR · French · CERTFR-2024-AVI-0546Multiples vulnérabilités dans le noyau Linux d'Ubuntu

d?id=CVE-2022-38096 Référence CVE CVE-2022-48669 https://www.cve.org/CVERecord?id=CVE-2022-48669 Référence CVE CVE-2023-47233 https://www.cve.org/CVERecord?id=CVE-2023-47233 Référence CVE CVE-2023-52434 https://www.cve.org/CVERecord?id=CVE-2023-52434 Référence CVE CVE-2023-52447 https://www.cve.org/CVERecord?id=CVE-2023-52447 Référence CVE CVE-2023-52497 https://www.cve.org/CVERecord?id=CVE-2023-52497 Référence CVE CVE-2023-52615 https://www.cve.org/CVERecord?id=CVE-2023-52615 Référence CVE CVE-2023-52620 https://www.cve.org/CVERecord?id=CVE-2023-52620 Référence CVE CVE-2023-52640 https://www.cve.org/CVERecord?id=CVE-2023-52640 Référence CVE CVE-2023-52641 https://www.cve.org/CVERecord?id=CVE-2023-52641 Référence CVE CVE-2023-52644 https://www.cve.org/CVERecord?id=CVE-2023-52644 Référence CVE CVE-2023-52645 https://www.cve.org/CVERecord?id=CVE-2023-52645 Référence CVE CVE-2023-52647 https://www.cve.org/CVERecord?id=CVE-2023-52647 Référence CVE CVE-2023-52648 https://www.cve.org/CVERecord?id=CVE-2023-52648 Référence CVE CVE-2023-52649 https://www.cve.org/CVERecord?id=CVE-2023-52649 Référence CVE CVE-2023-52650 https://www.cve.org/CVERecord?id=CVE-2023-52650 Référence CVE CVE-2023-52652 https://www.cve.org/CVERecord?id=CVE-2023-52652 Référence CVE CVE-2023-52653 https://www.cve.org/CVERecord?id=

Official advisory ↗
CERT-FR · French · CERTFR-2024-AVI-0526Multiples vulnérabilités dans le noyau Linux de SUSE

d?id=CVE-2023-52586 Référence CVE CVE-2023-52591 https://www.cve.org/CVERecord?id=CVE-2023-52591 Référence CVE CVE-2023-52608 https://www.cve.org/CVERecord?id=CVE-2023-52608 Référence CVE CVE-2023-52616 https://www.cve.org/CVERecord?id=CVE-2023-52616 Référence CVE CVE-2023-52618 https://www.cve.org/CVERecord?id=CVE-2023-52618 Référence CVE CVE-2023-52628 https://www.cve.org/CVERecord?id=CVE-2023-52628 Référence CVE CVE-2023-52631 https://www.cve.org/CVERecord?id=CVE-2023-52631 Référence CVE CVE-2023-52635 https://www.cve.org/CVERecord?id=CVE-2023-52635 Référence CVE CVE-2023-52640 https://www.cve.org/CVERecord?id=CVE-2023-52640 Référence CVE CVE-2023-52641 https://www.cve.org/CVERecord?id=CVE-2023-52641 Référence CVE CVE-2023-52642 https://www.cve.org/CVERecord?id=CVE-2023-52642 Référence CVE CVE-2023-52643 https://www.cve.org/CVERecord?id=CVE-2023-52643 Référence CVE CVE-2023-52644 https://www.cve.org/CVERecord?id=CVE-2023-52644 Référence CVE CVE-2023-52645 https://www.cve.org/CVERecord?id=CVE-2023-52645 Référence CVE CVE-2023-52646 https://www.cve.org/CVERecord?id=CVE-2023-52646 Référence CVE CVE-2023-52650 https://www.cve.org/CVERecord?id=CVE-2023-52650 Référence CVE CVE-2023-52652 https://www.cve.org/CVERecord?id=CVE-2023-52652 Référence CVE CVE-2023-52653 https://www.cve.org/CVERecord?id=

Official advisory ↗
CERT-FR · French · CERTFR-2024-AVI-0334Multiples vulnérabilités dans le noyau Linux de Debian

d?id=CVE-2023-52630 Référence CVE CVE-2023-52631 https://www.cve.org/CVERecord?id=CVE-2023-52631 Référence CVE CVE-2023-52632 https://www.cve.org/CVERecord?id=CVE-2023-52632 Référence CVE CVE-2023-52633 https://www.cve.org/CVERecord?id=CVE-2023-52633 Référence CVE CVE-2023-52635 https://www.cve.org/CVERecord?id=CVE-2023-52635 Référence CVE CVE-2023-52637 https://www.cve.org/CVERecord?id=CVE-2023-52637 Référence CVE CVE-2023-52638 https://www.cve.org/CVERecord?id=CVE-2023-52638 Référence CVE CVE-2023-52639 https://www.cve.org/CVERecord?id=CVE-2023-52639 Référence CVE CVE-2023-52640 https://www.cve.org/CVERecord?id=CVE-2023-52640 Référence CVE CVE-2023-52641 https://www.cve.org/CVERecord?id=CVE-2023-52641 Référence CVE CVE-2023-6270 https://www.cve.org/CVERecord?id=CVE-2023-6270 Référence CVE CVE-2023-7042 https://www.cve.org/CVERecord?id=CVE-2023-7042 Référence CVE CVE-2024-0340 https://www.cve.org/CVERecord?id=CVE-2024-0340 Référence CVE CVE-2024-0841 https://www.cve.org/CVERecord?id=CVE-2024-0841 Référence CVE CVE-2024-1151 https://www.cve.org/CVERecord?id=CVE-2024-1151 Référence CVE CVE-2024-2201 https://www.cve.org/CVERecord?id=CVE-2024-2201 Référence CVE CVE-2024-22099 https://www.cve.org/CVERecord?id=CVE-2024-22099 Référence CVE CVE-2024-23850 https://www.cve.org/CVERecord?id=CVE-2024-238

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
Linux: 4534a70b7056fd4b9a1c6db5a4ce3c98546b291e < ee8db6475cb15c8122855f72ad4cfa5375af6a7b, 4534a70b7056fd4b9a1c6db5a4ce3c98546b291e < 50545eb6cd5f7ff852a01fa29b7372524ef948cc, 4534a70b7056fd4b9a1c6db5a4ce3c98546b291e < 947c3f3d31ea185ddc8e7f198873f17d36deb24c, 4534a70b7056fd4b9a1c6db5a4ce3c98546b291e < 847b68f58c212f0439c5a8101b3841f32caffccd, 4534a70b7056fd4b9a1c6db5a4ce3c98546b291e < aaab47f204aaf47838241d57bf8662c8840de60a, 5.15
Fixed
Linux: < 5.15, 5.15.150 ≤ 5.15.*, 6.1.80 ≤ 6.1.*, 6.6.19 ≤ 6.6.*, 6.7.7 ≤ 6.7.*, 6.8 ≤ *
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 3 Apr 2024 · Last source change 11 May 2026, 19:30 UTC · CWE-476 · NULL Pointer Dereference

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-2023-57265
Product sourceCNA
Remediation sourceCVE/CNA references
CWE sourceNIST NVD
NVD statusNVD enriched

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-2023-52641 · cve.blacktree.nl