#VU106868 Input validation error in Linux kernel - CVE-2025-21954
Published: April 2, 2025 / Updated: May 11, 2025
Vulnerability identifier: #VU106868
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-2025-21954
CWE-ID: CWE-20
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 improper input validation within the validate_xmit_skb() function in net/core/dev.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/1c17c8ced25c5fbe424c7ad7ea11d33014a986b1
- https://git.kernel.org/stable/c/454825019d2f0c59e5174ece9e713f45ad80beff
- https://git.kernel.org/stable/c/f3600c867c99a2cc8038680ecf211089c50e7971
- https://mirrors.edge.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.12.20
- https://mirrors.edge.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.13.8
- https://mirrors.edge.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.14