#VU106964 Integer overflow in Linux kernel - CVE-2025-21997
Published: April 3, 2025 / Updated: May 11, 2025
Vulnerability identifier: #VU106964
Vulnerability risk: Low
CVSSv4.0: CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:U/U:Clear
CVE-ID: CVE-2025-21997
CWE-ID: CWE-190
Exploitation vector: Local access
Exploit availability:
No public exploit available
Vulnerable software:
Linux kernel
Linux kernel
Software vendor:
Linux Foundation
Linux Foundation
Description
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.
External links
- 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