CVE-2026-43384
9.8
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Summary
In the Linux kernel, the following vulnerability has been resolved:
net/tcp-ao: Fix MAC comparison to be constant-time
To prevent timing attacks, MACs need to be compared in constant time. Use the appropriate helper function for this.
Affected Software
| Vendor | Product | Version Range | Status |
|---|---|---|---|
| Linux | Linux | 0a3a809089eb1d4a0a2fd0c16b520d603988c859 < 8be6ed64966da48b6c4726918f106c18742a5125 | affected |
| Linux | Linux | 0a3a809089eb1d4a0a2fd0c16b520d603988c859 < a269cbdc442f8658bca35383e34b9d0b0ff95a1c | affected |
| Linux | Linux | 0a3a809089eb1d4a0a2fd0c16b520d603988c859 < 080b0e210088296dd50d6637c06c1db14246adfe | affected |
| Linux | Linux | 0a3a809089eb1d4a0a2fd0c16b520d603988c859 < 67edfec516d30d3e62925c397be4a1e5185802fc | affected |
| Linux | Linux | 6.7 | affected |
| Linux | Linux | 0 < 6.7 | unaffected |
| Linux | Linux | 6.12.78 <= 6.12.* | unaffected |
| Linux | Linux | 6.18.19 <= 6.18.* | unaffected |
| Linux | Linux | 6.19.9 <= 6.19.* | unaffected |
| Linux | Linux | 7.0 <= * | unaffected |
Weaknesses
References
- https://git.kernel.org/stable/c/8be6ed64966da48b6c4726918f106c18742a5125
- https://git.kernel.org/stable/c/a269cbdc442f8658bca35383e34b9d0b0ff95a1c
- https://git.kernel.org/stable/c/080b0e210088296dd50d6637c06c1db14246adfe
- https://git.kernel.org/stable/c/67edfec516d30d3e62925c397be4a1e5185802fc
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