#VU99179 Out-of-bounds write in Linux kernel - CVE-2022-48951

Vulnerability identifier: #VU99179

Vulnerability risk: Low

CVSSv4.0: 5.9 [CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:U/U:Clear]

CVE-ID: CVE-2022-48951

CWE-ID: CWE-787

Exploitation vector: Local

Exploit availability: No

Vulnerable software:
Linux kernel
Operating systems & Components / Operating system

Vendor: Linux Foundation

Description

The vulnerability allows a local user to execute arbitrary code.

The vulnerability exists due to an out-of-bounds write within the snd_soc_put_volsw_sx() function in sound/soc/soc-ops.c. A local user can execute arbitrary code.

Mitigation
Install update from vendor's website.

Vulnerable software versions

Linux kernel: All versions

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External links
https://git.kernel.org/stable/c/56288987843c3cb343e81e5fa51549cbaf541bd0
https://git.kernel.org/stable/c/cf1c225f1927891ae388562b78ced7840c3723b9
https://git.kernel.org/stable/c/18a168d85eadcfd45f015b5ecd2a97801b959e43
https://git.kernel.org/stable/c/9796d07c753164b7e6b0d7ef23fb4482840a9ef8
https://git.kernel.org/stable/c/50b5f6d4d9d2d69a7498c44fd8b26e13d73d3d98
https://git.kernel.org/stable/c/cf611d786796ec33da09d8c83d7d7f4e557b27de
https://git.kernel.org/stable/c/1798b62d642e7b3d4ea3403914c3caf4e438465d
https://git.kernel.org/stable/c/97eea946b93961fffd29448dcda7398d0d51c4b2

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Q & A

Can this vulnerability be exploited remotely?

No. This vulnerability can be exploited locally. The attacker should have authentication credentials and successfully authenticate on the system.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability.