#VU105081 Race condition in Linux kernel - CVE-2025-21719
Published: February 27, 2025 / Updated: May 11, 2025
Vulnerability identifier: #VU105081
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-2025-21719
CWE-ID: CWE-362
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 a race condition within the list_for_each_entry() function in net/ipv4/ipmr_base.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/15a901361ec3fb1c393f91880e1cbf24ec0a88bd
- https://git.kernel.org/stable/c/26bb7d991f04eeef47dfad23e533834995c26f7a
- https://git.kernel.org/stable/c/57177c5f47a8da852f8d76cf6945cf803f8bb9e5
- https://git.kernel.org/stable/c/a099834a51ccf9bbba3de86a251b3433539abfde
- https://git.kernel.org/stable/c/b379b3162ff55a70464c6a934ae9bf0497478a62
- https://mirrors.edge.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.6.76