CVE-2025-21789

Published: Feb 27, 2025

Modified: May 11, 2026

PUBLISHED

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.

Vendor	Product	Versions
Linux	Linux	affected `69e3a6aa6be21de6aaf38130fad97ecde34a193c - < 964a8895704a22efc06a2a3276b624a5ae985a06` affected `69e3a6aa6be21de6aaf38130fad97ecde34a193c - < 9f15a8df542c0f08732a67d1a14ee7c22948fb97` affected `69e3a6aa6be21de6aaf38130fad97ecde34a193c - < d6508ffff32b44b6d0de06704034e4eef1c307a7` affected `69e3a6aa6be21de6aaf38130fad97ecde34a193c - < 6287f1a8c16138c2ec750953e35039634018c84a`
Linux	Linux	affected `6.4` unaffected `0 - < 6.4` unaffected `6.6.79 - <= 6.6.` unaffected `6.12.16 - <= 6.12.` unaffected `6.13.4 - <= 6.13.*` +1 more versions

References

https://git.kernel.org/stable/c/964a8895704a22efc06a2a3276b624a5ae985a06

https://git.kernel.org/stable/c/9f15a8df542c0f08732a67d1a14ee7c22948fb97

https://git.kernel.org/stable/c/d6508ffff32b44b6d0de06704034e4eef1c307a7

https://git.kernel.org/stable/c/6287f1a8c16138c2ec750953e35039634018c84a

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CVE-2025-21789

Description

Affected Products

References