SB2025022695 - Memory leak in Linux kernel input misc driver
Published: February 26, 2025 Updated: May 11, 2025
Security Bulletin ID
SB2025022695
Severity
Low
Patch available
YES
Number of vulnerabilities
1
Exploitation vector
Local access
Highest impact
Denial of service
Breakdown by Severity
- Low
- Medium
- High
- Critical
Description
This security bulletin contains information about 1 security vulnerability.
1) Memory leak (CVE-ID: CVE-2022-49438)
The vulnerability allows a local user to perform a denial of service (DoS) attack.
The vulnerability exists due to memory leak within the bbc_beep_probe() function in drivers/input/misc/sparcspkr.c. A local user can perform a denial of service (DoS) attack.
Remediation
Install update from vendor's website.
References
- https://git.kernel.org/stable/c/1124e39fea0e2fdb4202f95b716cb97cc7de7cc7
- https://git.kernel.org/stable/c/2f51db16cb740ff90086189a1ef2581eab665591
- https://git.kernel.org/stable/c/353bc58ac6c782d4dcde9136a91d1f90867938fe
- https://git.kernel.org/stable/c/418b6a3e12f75638abc5673eb76cb32127d0ab13
- https://git.kernel.org/stable/c/6e07ccc7d56130f760d23f67a70c45366c07debc
- https://git.kernel.org/stable/c/73d6f42d8d86648bec2e73d34fe1648cb6d23e08
- https://git.kernel.org/stable/c/bbc2b0ce6042dd3117827f10ea8cb67e0ab786da
- https://git.kernel.org/stable/c/c8994b30d71d64d5dcc9bc0edbfdf367171aa96f
- https://git.kernel.org/stable/c/f13064b0f2c651a3fbb0749932795c6fd21556a8
- https://mirrors.edge.kernel.org/pub/linux/kernel/v4.x/ChangeLog-4.14.283