Linux Kernel up to 5.10.110/5.15.33/5.16.19/5.17.2 wfx_init_common memory leak

Summaryinfo

A vulnerability, which was classified as critical, has been found in Linux Kernel up to 5.10.110/5.15.33/5.16.19/5.17.2. The impacted element is the function wfx_init_common. This manipulation causes memory leak. This vulnerability appears as CVE-2022-49105. There is no available exploit. It is advisable to upgrade the affected component.

Detailsinfo

A vulnerability was found in Linux Kernel up to 5.10.110/5.15.33/5.16.19/5.17.2. It has been declared as critical. Affected by this vulnerability is the function wfx_init_common. The manipulation with an unknown input leads to a memory leak vulnerability. The CWE definition for the vulnerability is CWE-401. The product does not sufficiently track and release allocated memory after it has been used, which slowly consumes remaining memory. As an impact it is known to affect availability. The summary by CVE is:

In the Linux kernel, the following vulnerability has been resolved: staging: wfx: fix an error handling in wfx_init_common() One error handler of wfx_init_common() return without calling ieee80211_free_hw(hw), which may result in memory leak. And I add one err label to unify the error handler, which is useful for the subsequent changes.

It is possible to read the advisory at git.kernel.org. This vulnerability is known as CVE-2022-49105 since 02/26/2025. Technical details of the vulnerability are known, but there is no available exploit.

Upgrading to version 5.10.111, 5.15.34, 5.16.20 or 5.17.3 eliminates this vulnerability. Applying the patch 93498c6e775ae91732a8109dba1bdcd324908f84/86efcb524ae1889ae73f2a2f0bb7fff2ec757ab0/ab0fed1fa744173433cfd1dbaf9239f200ded650/9727912e906762a63c1a667c84731d3427653f88/60f1d3c92dc1ef1026e5b917a329a7fa947da036 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.

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Productinfo

Type

• Operating System

Vendor

• Linux

Name

• Kernel

Version

• 5.10.110
• 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
• 5.16.0
• 5.16.1
• 5.16.2
• 5.16.3
• 5.16.4
• 5.16.5
• 5.16.6
• 5.16.7
• 5.16.8
• 5.16.9
• 5.16.10
• 5.16.11
• 5.16.12
• 5.16.13
• 5.16.14
• 5.16.15
• 5.16.16
• 5.16.17
• 5.16.18
• 5.16.19
• 5.17.0
• 5.17.1
• 5.17.2

License

• open-source

Website

• Vendor: https://www.kernel.org/

CPE 2.3info

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CPE 2.2info

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