SB20251028128 - Buffer overflow in Linux kernel perf driver
Published: October 28, 2025
Security Bulletin ID
SB20251028128
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 security vulnerability.
1) Buffer overflow (CVE-ID: CVE-2025-40081)
The vulnerability allows a local user to escalate privileges on the system.
The vulnerability exists due to memory corruption within the function in drivers/perf/arm_spe_pmu.c. A local user can escalate privileges on the system.
Remediation
Install update from vendor's website.
References
- https://git.kernel.org/stable/c/1a19ba8e1f4ff24ece8ca69b79df8442c431db90
- https://git.kernel.org/stable/c/379cae2cb982f571cda9493ac573ab71125fd299
- https://git.kernel.org/stable/c/5d01f2b81568289443d22f1e13a363f829de6343
- https://git.kernel.org/stable/c/7500384d3c9587593d75ded3b006835e7aa73ef8
- https://git.kernel.org/stable/c/a29fea30dd93da16652930162b177941abd8c75e
- https://git.kernel.org/stable/c/e516cfd19b0f4c774a57b17fb43a7f41991f0735