Linux Kernel up to 5.15.123/6.1.42/6.4.4 ttm memory leak

Summaryinfo

A vulnerability has been found in Linux Kernel up to 5.15.123/6.1.42/6.4.4 and classified as critical. Affected by this vulnerability is an unknown functionality of the component ttm. Performing a manipulation results in memory leak. This vulnerability was named CVE-2023-54254. There is no available exploit. The affected component should be upgraded.

Detailsinfo

A vulnerability, which was classified as critical, was found in Linux Kernel up to 5.15.123/6.1.42/6.4.4. This affects an unknown part of the component ttm. The manipulation with an unknown input leads to a memory leak vulnerability. CWE is classifying the issue as CWE-401. The product does not sufficiently track and release allocated memory after it has been used, which slowly consumes remaining memory. This is going to have an impact on availability. The summary by CVE is:

In the Linux kernel, the following vulnerability has been resolved: drm/ttm: Don't leak a resource on eviction error On eviction errors other than -EMULTIHOP we were leaking a resource. Fix. v2: - Avoid yet another goto (Andi Shyti)

It is possible to read the advisory at git.kernel.org. This vulnerability is uniquely identified as CVE-2023-54254 since 12/30/2025. The technical details are unknown and an exploit is not publicly available.

The vulnerability scanner Nessus provides a plugin with the ID 281550 (Linux Distros Unpatched Vulnerability : CVE-2023-54254), which helps to determine the existence of the flaw in a target environment.

Upgrading to version 5.15.124, 6.1.43 or 6.4.5 eliminates this vulnerability. Applying the patch 7738335d73d0686ec8995e0448e5d1b48cffb2a4/e9c44738cb1f537b177cc1beabcf6913690460cd/6aea0032380bbb1efebd598ad733d16925167921/e8188c461ee015ba0b9ab2fc82dbd5ebca5a5532 is able to eliminate this problem. The bugfix is ready for download at git.kernel.org. The best possible mitigation is suggested to be upgrading to the latest version.

The vulnerability is also documented in the databases at Tenable (281550) and CERT Bund (WID-SEC-2025-2941). Be aware that VulDB is the high quality source for vulnerability data.

Affected

• Debian Linux
• Amazon Linux 2
• IBM Power Hardware Management Console
• Red Hat Enterprise Linux
• Ubuntu Linux
• SUSE Linux
• Oracle Linux
• Open Source Linux Kernel
• RESF Rocky Linux
• IBM DataPower Gateway

Productinfo

Type

• Operating System

Vendor

• Linux

Name

• Kernel

Version

• 5.15.123
• 6.1.0
• 6.1.1
• 6.1.2
• 6.1.3
• 6.1.4
• 6.1.5
• 6.1.6
• 6.1.7
• 6.1.8
• 6.1.9
• 6.1.10
• 6.1.11
• 6.1.12
• 6.1.13
• 6.1.14
• 6.1.15
• 6.1.16
• 6.1.17
• 6.1.18
• 6.1.19
• 6.1.20
• 6.1.21
• 6.1.22
• 6.1.23
• 6.1.24
• 6.1.25
• 6.1.26
• 6.1.27
• 6.1.28
• 6.1.29
• 6.1.30
• 6.1.31
• 6.1.32
• 6.1.33
• 6.1.34
• 6.1.35
• 6.1.36
• 6.1.37
• 6.1.38
• 6.1.39
• 6.1.40
• 6.1.41
• 6.1.42
• 6.4.0
• 6.4.1
• 6.4.2
• 6.4.3
• 6.4.4

License

• open-source

Website

• Vendor: https://www.kernel.org/

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Entryinfo

Be aware that VulDB is the high quality source for vulnerability data.

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