CVE-2025-21789

HIGH

Linux Kernel 6.4-6.6.78, 6.7-6.12.15, 6.13-6.13.3 - Out-of-bounds Read in LoongArch IP Checksum Code

Title source: llm
STIX 2.1

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.

References (4)

Core 4

Scores

CVSS v3 7.1
EPSS 0.0021
EPSS Percentile 11.2%
Attack Vector LOCAL
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:H

CISA SSVC

Vulnrichment
Exploitation none
Automatable no
Technical Impact partial

Details

CWE
CWE-125
Status published
Products (15)
linux/Kernel 6.13.0 - 6.13.4linux
linux/Kernel 6.4.0 - 6.6.79linux
linux/Kernel 6.7.0 - 6.12.16linux
Linux/Linux < 6.4
Linux/Linux 6.12.16 - 6.12.*
Linux/Linux 6.13.4 - 6.13.*
Linux/Linux 6.14
Linux/Linux 6.4
Linux/Linux 6.6.79 - 6.6.*
Linux/Linux 69e3a6aa6be21de6aaf38130fad97ecde34a193c - 6287f1a8c16138c2ec750953e35039634018c84a
... and 5 more
Published Feb 27, 2025
Tracked Since Feb 18, 2026