SB20250226632 - Buffer overflow in Linux kernel core oss
Published: February 26, 2025 Updated: May 11, 2025
Security Bulletin ID
SB20250226632
CSH Severity
Low
Patch available
YES
Number of vulnerabilities
1
Exploitation vector
Local access
Highest impact
Code execution
Breakdown by Severity
- Low
- Medium
- High
- Critical
Description
This security bulletin contains information about 1 vulnerability.
1) Buffer overflow (CVE-ID: CVE-2022-49292)
CWE-ID: CWE-119 - Memory corruption
CVSSv4: 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
The vulnerability allows a local user to escalate privileges on the system.
The vulnerability exists due to memory corruption within the snd_pcm_plugin_alloc() function in sound/core/oss/pcm_plugin.c, within the snd_pcm_oss_period_size() and snd_pcm_oss_change_params_locked() functions in sound/core/oss/pcm_oss.c. A local user can escalate privileges on the system.
Remediation
Install update from vendor's website.
References
- https://git.kernel.org/stable/c/0c4190b41a69990666b4000999e27f8f1b2a426b
- https://git.kernel.org/stable/c/5ce74ff7059341d8b2f4d01c3383491df63d1898
- https://git.kernel.org/stable/c/7a40cbf3579a8e14849ba7ce46309c1992658d2b
- https://git.kernel.org/stable/c/a63af1baf0a5e11827db60e3127f87e437cab6e5
- https://git.kernel.org/stable/c/e74a069c6a7bb505f3ade141dddf85f4b0b5145a
- https://git.kernel.org/stable/c/efb6402c3c4a7c26d97c92d70186424097b6e366
- https://git.kernel.org/stable/c/fb08bf99195a87c798bc8ae1357337a981faeade
- https://mirrors.edge.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.16.18