CVE-2025-21789

High

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.

SeverityHigh
CVSS7.3
Exploit probability—
ProductLinux Kernel
PublishedFeb 27, 2025
First seenFeb 27, 2025

How to fix

Update
  • linux linux_kernel6.6.79, 6.12.16, 6.13.4 or later

Affected products

ProductAffected versionsFixed in
linux linux_kernel6.4 ≤ v < 6.6.79, 6.7 ≤ v < 6.12.16, 6.13 ≤ v < 6.13.4, 6.146.6.79, 6.12.16, 6.13.4

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