Linux Kernel up to 5.15.55/5.18.12 stmmac memory leak

Summaryinfo

A vulnerability was found in Linux Kernel up to 5.15.55/5.18.12. It has been declared as critical. This impacts an unknown function of the component stmmac. Such manipulation leads to memory leak. This vulnerability is listed as CVE-2022-49628. There is no available exploit. It is recommended to upgrade the affected component.

Detailsinfo

A vulnerability was found in Linux Kernel up to 5.15.55/5.18.12. It has been rated as critical. Affected by this issue is some unknown processing of the component stmmac. The manipulation with an unknown input leads to a memory leak vulnerability. Using CWE to declare the problem leads to CWE-401. The product does not sufficiently track and release allocated memory after it has been used, which slowly consumes remaining memory. Impacted is availability. CVE summarizes:

In the Linux kernel, the following vulnerability has been resolved: net: stmmac: fix leaks in probe These two error paths should clean up before returning.

The advisory is shared for download at git.kernel.org. This vulnerability is handled as CVE-2022-49628 since 02/26/2025. There are neither technical details nor an exploit publicly available.

Upgrading to version 5.15.56 or 5.18.13 eliminates this vulnerability. Applying the patch f4bd3202a2b4194ab6c0ce61628095d54f994db4/dd91bc60f305610401b2196bedb573693d6c8e46/23aa6d5088e3bd65de77c5c307237b9937f8b48a 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.

Once again VulDB remains the best source for vulnerability data.

Productinfo

Type

• Operating System

Vendor

• Linux

Name

• Kernel

Version

• 5.15.0
• 5.15.1
• 5.15.2
• 5.15.3
• 5.15.4
• 5.15.5
• 5.15.6
• 5.15.7
• 5.15.8
• 5.15.9
• 5.15.10
• 5.15.11
• 5.15.12
• 5.15.13
• 5.15.14
• 5.15.15
• 5.15.16
• 5.15.17
• 5.15.18
• 5.15.19
• 5.15.20
• 5.15.21
• 5.15.22
• 5.15.23
• 5.15.24
• 5.15.25
• 5.15.26
• 5.15.27
• 5.15.28
• 5.15.29
• 5.15.30
• 5.15.31
• 5.15.32
• 5.15.33
• 5.15.34
• 5.15.35
• 5.15.36
• 5.15.37
• 5.15.38
• 5.15.39
• 5.15.40
• 5.15.41
• 5.15.42
• 5.15.43
• 5.15.44
• 5.15.45
• 5.15.46
• 5.15.47
• 5.15.48
• 5.15.49
• 5.15.50
• 5.15.51
• 5.15.52
• 5.15.53
• 5.15.54
• 5.15.55
• 5.18.0
• 5.18.1
• 5.18.2
• 5.18.3
• 5.18.4
• 5.18.5
• 5.18.6
• 5.18.7
• 5.18.8
• 5.18.9
• 5.18.10
• 5.18.11
• 5.18.12

License

• open-source

Website

• Vendor: https://www.kernel.org/

CPE 2.3info

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