#VU104503 Out-of-bounds read in Linux kernel - CVE-2022-49515

Vulnerability identifier: #VU104503

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-2022-49515

CWE-ID: CWE-125

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 an out-of-bounds read error within the cs35l41_volatile_reg() and ARRAY_SIZE() functions in sound/soc/codecs/cs35l41-lib.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

---

External links
https://git.kernel.org/stable/c/9f342904216f378e88008bb0ce1ae200a4b99fe8
https://git.kernel.org/stable/c/a59b9958416096dd21dc4f62b0c5be525d459ca8
https://git.kernel.org/stable/c/dbc35268e14d5d89c7a9db72009ad4dcd9ede646

---

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.