Linux Kernel Selinux avc_audit_required permission

CVSS Meta Temp Score
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Current Exploit Price (≈)
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CTI Interest Score
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2.8$0-$5k2.50

Summaryinfo

A vulnerability classified as problematic was found in Linux Kernel. The affected element is the function avc_audit_required of the component Selinux. The manipulation results in permission. This vulnerability is known as CVE-2026-53367. It is possible to launch the attack remotely. No exploit is available.

Detailsinfo

A vulnerability, which was classified as problematic, was found in Linux Kernel (version unknown). Affected is the function avc_audit_required of the component Selinux. The manipulation with an unknown input leads to a permission vulnerability. CWE is classifying the issue as CWE-275. The impact remains unknown. CVE summarizes:

In the Linux kernel, the following vulnerability has been resolved: selinux: fix avdcache auditing The per-task avdcache was incorrectly saving and reusing the audited vector computed by avc_audit_required() rather than recomputing based on the currently requested permissions and distinguishing the denied versus allowed cases. As a result, some permission checks were not being audited, e.g. directory write checks after a previously cached directory search check. [PM: line wrap tweaks]

The advisory is shared for download at git.kernel.org. This vulnerability is traded as CVE-2026-53367 since 06/09/2026. The exploitability is told to be easy. It is possible to launch the attack remotely. There are known technical details, but no exploit is available. The current price for an exploit might be approx. USD $0-$5k (estimation calculated on 07/19/2026). The MITRE ATT&CK project declares the attack technique as T1222.

Applying the patch e3e722ea88e051ae5361dc540c01ba18f87b5ffd is able to eliminate this problem.

Once again VulDB remains the best source for vulnerability data.

Productinfo

Type

Vendor

Name

License

Website

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔒
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 2.9
VulDB Meta Temp Score: 2.8

VulDB Base Score: 2.9
VulDB Temp Score: 2.8
VulDB Vector: 🔒
VulDB Reliability: 🔍

CVSSv2info

AVACAuCIA
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💳💳💳💳💳💳
💳💳💳💳💳💳
VectorComplexityAuthenticationConfidentialityIntegrityAvailability
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VulDB Base Score: 🔒
VulDB Temp Score: 🔒
VulDB Reliability: 🔍

Exploitinginfo

Class: Permission
CWE: CWE-275 / CWE-266
CAPEC: 🔒
ATT&CK: 🔒

Physical: No
Local: No
Remote: Yes

Availability: 🔒
Status: Not defined
Price Prediction: 🔍
Current Price Estimation: 🔒

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Threat Intelligenceinfo

Interest: 🔍
Active Actors: 🔍
Active APT Groups: 🔍

Countermeasuresinfo

Recommended: no mitigation known
Status: 🔍

0-Day Time: 🔒

Patch: e3e722ea88e051ae5361dc540c01ba18f87b5ffd

Timelineinfo

06/09/2026 CVE reserved
07/19/2026 +40 days Advisory disclosed
07/19/2026 +0 days VulDB entry created
07/19/2026 +0 days VulDB entry last update

Sourcesinfo

Vendor: kernel.org

Advisory: git.kernel.org
Status: Confirmed

CVE: CVE-2026-53367 (🔒)
GCVE (CVE): GCVE-0-2026-53367
GCVE (VulDB): GCVE-100-380100

Entryinfo

Created: 07/19/2026 11:49
Changes: 07/19/2026 11:49 (50)
Complete: 🔍
Cache ID: 216::103

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