CVE-2026-31431
HIGH severity · CVSS 7.8 · CWE-669 · actively exploited (CISA KEV)
7.8CVSS HIGH ● exploited
🔴 Actively exploited in the wild (CISA Known Exploited Vulnerabilities).
Added to KEV 2026-05-01. US federal agencies must patch by 2026-05-15.
Summary
In the Linux kernel, the following vulnerability has been resolved: crypto: algif_aead - Revert to operating out-of-place This mostly reverts commit 72548b093ee3 except for the copying of the associated data. There is no benefit in operating in-place in algif_aead since the source and destination come from different mappings. Get rid of all the complexity added for in-place operation and just copy the AD directly.
Impact & exploitability
Attack vectorLocal
Attack complexityLow
Privileges requiredLow
User interactionNone
Confidentiality impactHigh
Integrity impactHigh
Availability impactHigh
Exploit probability (EPSS)2%
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Affected products we track (2)
Recommendation
This vulnerability is being actively exploited in the wild — patch affected products urgently. Open any affected product above for its exact safe version.
Official patch: https://git.kernel.org/stable/c/19d43105a97be0810edbda875f2cd03f30dc130c ↗
Additional information
- NVD record
- https://git.kernel.org/stable/c/19d43105a97be0810edbda875f2cd03f30dc130cPatch
- https://git.kernel.org/stable/c/3115af9644c342b356f3f07a4dd1c8905cd9a6fcPatch
- https://git.kernel.org/stable/c/893d22e0135fa394db81df88697fba6032747667Patch
- https://git.kernel.org/stable/c/8b88d99341f139e23bdeb1027a2a3ae10d341d82Patch
- https://git.kernel.org/stable/c/961cfa271a918ad4ae452420e7c303149002875bPatch
- https://git.kernel.org/stable/c/a664bf3d603dc3bdcf9ae47cc21e0daec706d7a5Patch
- https://git.kernel.org/stable/c/ce42ee423e58dffa5ec03524054c9d8bfd4f6237Patch
- https://git.kernel.org/stable/c/fafe0fa2995a0f7073c1c358d7d3145bcc9aedd8Patch