SB2025042249 - Use-after-free in Linux kernel core
Published: April 22, 2025 Updated: May 11, 2025
Security Bulletin ID
SB2025042249
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-2025-22057)
The vulnerability allows a local user to escalate privileges on the system.
The vulnerability exists due to a use-after-free error within the dst_count_dec() function in net/core/dst.c. A local user can escalate privileges on the system.
Remediation
Install update from vendor's website.
References
- https://git.kernel.org/stable/c/3a0a3ff6593d670af2451ec363ccb7b18aec0c0a
- https://git.kernel.org/stable/c/836415a8405c9665ae55352fc5ba865c242f5e4f
- https://git.kernel.org/stable/c/92a5c18513117be69bc00419dd1724c1940f8fcd
- https://git.kernel.org/stable/c/ccc331fd5bcae131d2627d5ef099d4a1f6540aea
- https://git.kernel.org/stable/c/e833e7ad64eb2f63867f65303be49ca30ee8819e
- https://mirrors.edge.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.14.2