High severity7.1NVD Advisory· Published Feb 27, 2025· Updated Jun 17, 2026
CVE-2025-21789
CVE-2025-21789
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 products
3Patches
Vulnerability mechanics
References
4- git.kernel.org/stable/c/6287f1a8c16138c2ec750953e35039634018c84anvdMailing ListPatch
- git.kernel.org/stable/c/964a8895704a22efc06a2a3276b624a5ae985a06nvdMailing ListPatch
- git.kernel.org/stable/c/9f15a8df542c0f08732a67d1a14ee7c22948fb97nvdMailing ListPatch
- git.kernel.org/stable/c/d6508ffff32b44b6d0de06704034e4eef1c307a7nvdMailing ListPatch
News mentions
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