SB20240530168 - Use-after-free in Linux kernel sched
Published: May 30, 2024 Updated: May 14, 2025
Security Bulletin ID
SB20240530168
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) Use-after-free (CVE-ID: CVE-2023-52707)
The vulnerability allows a local user to escalate privileges on the system.
The vulnerability exists due to a use-after-free error within the psi_trigger_destroy() function in kernel/sched/psi.c. A local user can escalate privileges on the system.
Remediation
Install update from vendor's website.
References
- https://git.kernel.org/stable/c/7caeb5457bd01ccba0df1d6f4872f20d28e50b38
- https://git.kernel.org/stable/c/ec9c7aa08819f976b2492fa63c41b5712d2924b5
- https://git.kernel.org/stable/c/cca2b3feb70170ef6f0fbc4b4d91eea235a2b73a
- https://git.kernel.org/stable/c/c6879a4dcefe92d870ab68cabaa9caeda4f2af5a
- https://git.kernel.org/stable/c/c2dbe32d5db5c4ead121cf86dabd5ab691fb47fe
- https://mirrors.edge.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.10.169
- https://mirrors.edge.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.15.95
- https://mirrors.edge.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.4.232
- https://mirrors.edge.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.1.13
- https://mirrors.edge.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.2