#VU104991 NULL pointer dereference in Linux kernel - CVE-2025-21790
Published: February 27, 2025 / Updated: May 11, 2025
Vulnerability identifier: #VU104991
Vulnerability risk: Low
CVSSv4.0: CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:U/U:Clear
CVE-ID: CVE-2025-21790
CWE-ID: CWE-476
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 perform a denial of service (DoS) attack.
The vulnerability exists due to NULL pointer dereference within the vxlan_init() function in drivers/net/vxlan/vxlan_core.c. A local user can perform a denial of service (DoS) attack.
Remediation
Install update from vendor's website.
External links
- https://git.kernel.org/stable/c/3215f5aafc49aaa993991633833854694e73b439
- https://git.kernel.org/stable/c/5805402dcc56241987bca674a1b4da79a249bab7
- https://git.kernel.org/stable/c/79aea5e55156c87dc570e43fcd8bba01b9d6ab3f
- https://git.kernel.org/stable/c/a303649b99b64858d62ce7428125d8e71675d2b6
- https://git.kernel.org/stable/c/e860f847787fbbf0d8dacd638c019c7c3d4a9bd3
- https://mirrors.edge.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.12.16