CVE-2025-21789

Published: Feb 27, 2025Modified: Jun 17, 2026

7.1

Vector

CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:H

Exploitability: 1.8 / Impact: 5.2

Source: NVD

Description

In the Linux kernel, the following vulnerability has been resolved: LoongArch: csum: Fix OoB access in IP checksum code for negative lengths Commit 69e3a6aa6be2 ("LoongArch: Add checksum optimization for 64-bit system") would cause an undefined shift and an out-of-bounds read. Commit 8bd795fedb84 ("arm64: csum: Fix OoB access in IP checksum code for negative lengths") fixes the same issue on ARM64.

Affected (5)

Products: Linux: Linux Kernel

Linux

1 product

Linux Kernel

Configuration A

5 vulnerable

Vulnerable Software	Affected Versions
Linux Linux Kernel	From 6.13 to 6.13.4
Linux Linux Kernel	From 6.4 to 6.6.79
Linux Linux Kernel	From 6.7 to 6.12.16
Linux Linux Kernel	Version 6.14 rc1
Linux Linux Kernel	Version 6.14 rc2