SB2025040382 - Integer overflow in Linux kernel xdp
Published: April 3, 2025 Updated: May 11, 2025
Security Bulletin ID
SB2025040382
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) Integer overflow (CVE-ID: CVE-2025-21997)
The vulnerability allows a local user to execute arbitrary code.
The vulnerability exists due to integer overflow within the xp_create_and_assign_umem() function in net/xdp/xsk_buff_pool.c. A local user can execute arbitrary code.
Remediation
Install update from vendor's website.
References
- https://git.kernel.org/stable/c/130290f44bce0eead2b827302109afc3fe189ddd
- https://git.kernel.org/stable/c/205649d642a5b376724f04f3a5b3586815e43d3b
- https://git.kernel.org/stable/c/559847f56769037e5b2e0474d3dbff985b98083d
- https://git.kernel.org/stable/c/b7b4be1fa43294b50b22e812715198629806678a
- https://git.kernel.org/stable/c/c7670c197b0f1a8726ad5c87bc2bf001a1fc1bbd
- https://mirrors.edge.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.13.9