SB2025022761 - Use-after-free in Linux kernel rose
Published: February 27, 2025 Updated: May 11, 2025
Security Bulletin ID
SB2025022761
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-2025-21718)
The vulnerability allows a local user to escalate privileges on the system.
The vulnerability exists due to a use-after-free error within the rose_heartbeat_expiry(), rose_timer_expiry() and rose_idletimer_expiry() functions in net/rose/rose_timer.c. A local user can escalate privileges on the system.
Remediation
Install update from vendor's website.
References
- https://git.kernel.org/stable/c/1992fb261c90e9827cf5dc3115d89bb0853252c9
- https://git.kernel.org/stable/c/51c128ba038cf1b79d605cbee325919b45ab95a5
- https://git.kernel.org/stable/c/58051a284ac18a3bb815aac6289a679903ddcc3f
- https://git.kernel.org/stable/c/5de7665e0a0746b5ad7943554b34db8f8614a196
- https://git.kernel.org/stable/c/f55c88e3ca5939a6a8a329024aed8f3d98eea8e4
- https://mirrors.edge.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.1.129