SB2025011754 - Use-after-free in Linux kernel s390 kernel
Published: January 17, 2025 Updated: May 11, 2025
Security Bulletin ID
SB2025011754
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-2024-57849)
The vulnerability allows a local user to escalate privileges on the system.
The vulnerability exists due to a use-after-free error within the cpumsf_pmu_stop() function in arch/s390/kernel/perf_cpum_sf.c. A local user can escalate privileges on the system.
Remediation
Install update from vendor's website.
References
- https://git.kernel.org/stable/c/06a92f810df8037ca36157282ddcbefdcaf049b8
- https://git.kernel.org/stable/c/238e3af849dfdcb1faed544349f7025e533f9aab
- https://git.kernel.org/stable/c/99192c735ed4bfdff0d215ec85c8a87a677cb898
- https://git.kernel.org/stable/c/a0bd7dacbd51c632b8e2c0500b479af564afadf3
- https://git.kernel.org/stable/c/a69752f1e5de817941a2ea0609254f6f25acd274
- https://git.kernel.org/stable/c/b5be6a0bb639d165c8418d8dddd8f322587be8be
- https://git.kernel.org/stable/c/be54e6e0f93a39a9c00478d70d12956a5f3d5b9b
- https://mirrors.edge.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.12.5