CVE-2025-21789
Last modified
CVE-2025-21789 is a high-severity vulnerability rated 7.1/10 on the CVSS scale. 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.. EPSS estimates a 0.21% chance of exploitation in the next 30 days.
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.
Metrics
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:H
Weakness Enumeration
Affected Software
| Vendor | Product | Versions | Update |
|---|---|---|---|
| Linux | Linux Kernel | >= 6.4, < 6.6.79 | — |
| Linux | Linux Kernel | >= 6.7, < 6.12.16 | — |
| Linux | Linux Kernel | >= 6.13, < 6.13.4 | — |
| Linux | Linux Kernel | 6.14 | Rc1 |
References
- https://git.kernel.org/stable/c/6287f1a8c16138c2ec750953e35039634018c84aMailing List, Patch
- https://git.kernel.org/stable/c/964a8895704a22efc06a2a3276b624a5ae985a06Mailing List, Patch
- https://git.kernel.org/stable/c/9f15a8df542c0f08732a67d1a14ee7c22948fb97Mailing List, Patch
- https://git.kernel.org/stable/c/d6508ffff32b44b6d0de06704034e4eef1c307a7Mailing List, Patch
Timeline
- Published
- Last Modified
- Status
- Modified
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