SB20251230141 - Memory leak in Linux kernel perf driver
Published: December 30, 2025 Updated: December 31, 2025
Security Bulletin ID
SB20251230141
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-2022-50820)
The vulnerability allows a local user to perform a denial of service (DoS) attack.
The vulnerability exists due to memory leak within the function in drivers/perf/arm_dmc620_pmu.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/adf7c3bbcc819db6e95b6a61c9822230f0ef4778
- https://git.kernel.org/stable/c/af170afa97e50d4169cfaa7ff4ec5d3841182641
- https://git.kernel.org/stable/c/b99fbe8d949a99fe456f08c7aad421327685aa50
- https://git.kernel.org/stable/c/d9f564c966e63925aac4ba273a9319d7fb6f4b4e
- https://mirrors.edge.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.15.86
- https://mirrors.edge.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.0.16
- https://mirrors.edge.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.1.2
- https://mirrors.edge.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.2