SB2025052141 - Improper locking in Linux kernel net
Published: May 21, 2025 Updated: May 21, 2025
Security Bulletin ID
SB2025052141
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) Improper locking (CVE-ID: CVE-2025-37920)
The vulnerability allows a local user to perform a denial of service (DoS) attack.
The vulnerability exists due to improper locking within the xp_create_and_assign_umem() function in net/xdp/xsk_buff_pool.c, within the xsk_generic_rcv() and xsk_create() functions in net/xdp/xsk.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/65d3c570614b892257dc58a1b202908242ecf8fd
- https://git.kernel.org/stable/c/75a240a3e8abf17b9e00b0ef0492b1bbaa932251
- https://git.kernel.org/stable/c/a1356ac7749cafc4e27aa62c0c4604b5dca4983e
- https://mirrors.edge.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.12.28
- https://mirrors.edge.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.14.6