SB20250226201 - Memory leak in Linux kernel net wireguard driver
Published: February 26, 2025 Updated: May 11, 2025
Security Bulletin ID
SB20250226201
Severity
Low
Patch available
YES
Number of vulnerabilities
1
Exploitation vector
Local access
Highest impact
Denial of service
Breakdown by Severity
- Low
- Medium
- High
- Critical
Description
This security bulletin contains information about 1 security vulnerability.
1) Memory leak (CVE-ID: CVE-2022-49153)
The vulnerability allows a local user to perform a denial of service (DoS) attack.
The vulnerability exists due to memory leak within the rcu_read_unlock_bh() function in drivers/net/wireguard/socket.c. A local user can perform a denial of service (DoS) attack.
Remediation
Install update from vendor's website.
References
- https://git.kernel.org/stable/c/096f9d35cac0a0c95ffafc00db84786b665a4837
- https://git.kernel.org/stable/c/0b19bcb753dbfb74710d12bb2761ec5ed706c726
- https://git.kernel.org/stable/c/402991a9771587acc2947cf6c4d689c5397f2258
- https://git.kernel.org/stable/c/bbbf962d9460194993ee1943a793a0a0af4a7fbf
- https://git.kernel.org/stable/c/ebcc492f4ba14bae54b898f1016a37b4282558d1
- https://mirrors.edge.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.16.19