SB20260325143 - Memory corruption in Linux kernel events
Published: March 25, 2026
Security Bulletin ID
SB20260325143
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 corruption (CVE-ID: CVE-2026-23311)
The vulnerability allows a local user to cause a denial of service.
The vulnerability exists due to improper locking mechanism in the perf/core subsystem when handling event scheduling. A local user can trigger a pinned event failure that leads to invalid wait context handling, resulting in a kernel bug and system crash.
Exploitation does not require elevated privileges but operates within the context of the perf event subsystem.
Remediation
Install update from vendor's website.