CVE-2025-21789

LoongArch: csum: Fix OoB access in IP checksum code for negative lengths

High · published February 27, 2025

CVSS v3.1
7.1
EPSS
0%
Percentile
13.0
In the wild
Unconfirmed
What it is

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.

The record
Technical detail
CVSS v3.1
7.1 · HIGH
Vector
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:H
CVSS v4.0
Not supplied
EPSS
0.00230 · 13.0th percentile
Published
2025-02-27T02:18Z
EPSS history
Timeline
  • 27 FEB 02:18Z
    LoongArch: csum: Fix OoB access in IP checksum code for negative lengths
    cvelistv5