#VU104297 Memory leak in Linux kernel - CVE-2022-49482

Vulnerability identifier: #VU104297

Vulnerability risk: Low

CVSSv4.0: 4.3 [CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:U/U:Clear]

CVE-ID: CVE-2022-49482

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 mxs_saif_probe() function in sound/soc/mxs/mxs-saif.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/18b907ff0ae4bf20120aae1538f7156b9d08e3a7
https://git.kernel.org/stable/c/24491124406666bf0dcb9ee10c5575c6ce6a1730
https://git.kernel.org/stable/c/2a0da7641e1f17a744ac7b3f76471388c97b63dc
https://git.kernel.org/stable/c/2be84f73785fa9ed6443e3c5b158730266f1c2ee
https://git.kernel.org/stable/c/30d110ca703ce60162ec337aa564a3e4da30715f
https://git.kernel.org/stable/c/4e2a1bcc51bdebed48176f6e88c150f175983f9c
https://git.kernel.org/stable/c/c933829cbf3338b684869e6c4c8931abf5d68fbd
https://git.kernel.org/stable/c/d42601e93fce7802bb8d70dd59b60cfeefa20469
https://git.kernel.org/stable/c/d855505851ee8ba666eb204149b49f906130dc17

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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.