#VU103960 Improper locking in Linux kernel - CVE-2025-21701
Published: February 13, 2025 / Updated: May 11, 2025
Vulnerability identifier: #VU103960
Vulnerability risk: Low
CVSSv4.0: CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:U/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:U/U:Clear
CVE-ID: CVE-2025-21701
CWE-ID: CWE-667
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 locking within the ethnl_ops_begin() function in net/ethtool/netlink.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/12e070eb6964b341b41677fd260af5a305316a1f
- https://git.kernel.org/stable/c/2f29127e94ae9fdc7497331003d6860e9551cdf3
- https://git.kernel.org/stable/c/4dc880245f9b529fa8f476b5553c799d2848b47b
- https://git.kernel.org/stable/c/b382ab9b885cbb665e0e70a727f101c981b4edf3
- https://mirrors.edge.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.12.13