CVE-2025-21789High· 7.3▾ TwilightIn 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 …
▾ Twilight zone — High severity, or a signal on a lesser flaw
impact 40.2 · likelihood 0 · exploitation 0
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Exploit-prediction probability, daily snapshots since Aug 1.
Disclosure to exploitation, from the record and what we observed since indexing it.
Disclosed via NVD
Last analysed / modified upstream
0.2%
0.2% → 0.2%
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.
linux_kernel >= 6.4, < 6.6.79linux_kernel >= 6.7, < 6.12.16linux_kernel >= 6.13, < 6.13.4linux_kernel = 6.14Upgrade past the affected range:
linux_kernel 6.13.4Connected by shared product, vendor, weakness, or advisory.
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