#VU104226 Memory leak in Linux kernel - CVE-2022-49239

Vulnerability identifier: #VU104226

Vulnerability risk: Low

CVSSv4.0: 1.7 [CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:U/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:U/U:Clear]

CVE-ID: CVE-2022-49239

CWE-ID: CWE-401

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 perform a denial of service (DoS) attack.

The vulnerability exists due to memory leak within the wcd934x_codec_parse_data() function in sound/soc/codecs/wcd934x.c. A local user can perform a denial of service (DoS) attack.

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/1f24716e38220fc9e52e208d20591d2bc9b7f020
https://git.kernel.org/stable/c/2f44eca78cc6d4e1779eb95765ec79e433accab4
https://git.kernel.org/stable/c/9531a631379169d57756b2411178c6238655df88
https://git.kernel.org/stable/c/f3793eeb7b94a5eeed6f5c7a44bce403c6681a12
https://git.kernel.org/stable/c/f8e89d84ea83c51ba3ba97ff154f7aa679326760

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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.