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High severity7.3NVD Advisory· Published Feb 27, 2025· Updated Jul 30, 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

6

Linux/Kernel5 versions
cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*+ 4 more
- cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*range: >=6.4,<6.6.79
- cpe:2.3:o:linux:linux_kernel:6.14:rc1:*:*:*:*:*:*
- cpe:2.3:o:linux:linux_kernel:6.14:rc2:*:*:*:*:*:*
- (no CPE)
- (no CPE)range: 6.4
osv-coords
pkg:linux/kernel
Range: >= 6.4.0, < 6.6.79

Patches

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

0

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