SB2025022750 - Use-after-free in Linux kernel net
Published: February 27, 2025 Updated: May 11, 2025
Security Bulletin ID
SB2025022750
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-2025-21791)
The vulnerability allows a local user to escalate privileges on the system.
The vulnerability exists due to a use-after-free error within the include/net/l3mdev.h. A local user can escalate privileges on the system.
Remediation
Install update from vendor's website.
References
- https://git.kernel.org/stable/c/022cac1c693add610ae76ede03adf4d9d5a2cf21
- https://git.kernel.org/stable/c/6d0ce46a93135d96b7fa075a94a88fe0da8e8773
- https://git.kernel.org/stable/c/7b81425b517accefd46bee854d94954f5c57e019
- https://git.kernel.org/stable/c/c40cb5c03e37552d6eff963187109e2c3f78ef6f
- https://git.kernel.org/stable/c/c7574740be8ce68a57d0aece24987b9be2114c3c
- https://mirrors.edge.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.1.129