NULL pointer dereference in Linux kernel - CVE-2022-49733
Published: March 6, 2025 / Updated: May 11, 2025
Vulnerability identifier: #VU105411
CSH Severity: Low
CVSSv4.0: 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-2022-49733
CWE-ID: CWE-476
Exploitation vector: Local access
Exploit availability:
No public exploit available
Vulnerable software:
Linux kernel
Linux kernel
Software vendor:
Linux Foundation
Linux Foundation
Description
The vulnerability allows a local user to perform a denial of service (DoS) attack.
The vulnerability exists due to NULL pointer dereference within the snd_pcm_oss_sync() function in sound/core/oss/pcm_oss.c. A local user can perform a denial of service (DoS) attack.
Remediation
Install update from vendor's website.
External links
- https://git.kernel.org/stable/c/4051324a6dafd7053c74c475e80b3ba10ae672b0
- https://git.kernel.org/stable/c/723ac5ab2891b6c10dd6cc78ef5456af593490eb
- https://git.kernel.org/stable/c/8015ef9e8a0ee5cecfd0cb6805834d007ab26f86
- https://git.kernel.org/stable/c/8423f0b6d513b259fdab9c9bf4aaa6188d054c2d
- https://git.kernel.org/stable/c/fce793a056c604b41a298317cf704dae255f1b36
- https://mirrors.edge.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.10.148