#VU121306 Improper error handling in Linux kernel - CVE-2025-71098
Published: January 13, 2026
Vulnerability identifier: #VU121306
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-2025-71098
CWE-ID: CWE-388
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 error handling within the ip6gre_header() function in net/ipv6/ip6_gre.c. A local user can perform a denial of service (DoS) attack.
Remediation
Install update from vendor's repository.
External links
- https://git.kernel.org/stable/c/1717357007db150c2d703f13f5695460e960f26c
- https://git.kernel.org/stable/c/5fe210533e3459197eabfdbf97327dacbdc04d60
- https://git.kernel.org/stable/c/91a2b25be07ce1a7549ceebbe82017551d2eec92
- https://git.kernel.org/stable/c/adee129db814474f2f81207bd182bf343832a52e
- https://git.kernel.org/stable/c/db5b4e39c4e63700c68a7e65fc4e1f1375273476