#VU125857 Integer overflow in Linux kernel - CVE-2026-31417
Published: April 14, 2026
Vulnerability identifier: #VU125857
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-2026-31417
CWE-ID: CWE-190
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 cause a denial of service.
The vulnerability exists due to an integer overflow in the x25 packet reassembly logic when accumulating fragmented packets. A local user can send specially crafted packets to cause a denial of service.
Remediation
Install security update from vendor's repository.
External links
- https://git.kernel.org/stable/c/1734bd85c5e0a7a801295b729efb56b009cb8fc3
- https://git.kernel.org/stable/c/4e2d1bcef78d21247fe8fef13bc7ed95885df2b5
- https://git.kernel.org/stable/c/6e568835ea54a3e1d08e310e34f95d434e739477
- https://git.kernel.org/stable/c/8c92969c197b91c134be27dc3afb64ab468853a9
- https://git.kernel.org/stable/c/a1822cb524e89b4cd2cf0b82e484a2335496a6d9
- https://git.kernel.org/stable/c/f953f11ccf4afe6feb635c08145f4240d9a6b544