CVE-2026-31431

CVE Details

Release Date:	2026-04-22
Impact:	Important	What is this?

Description

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.

See more information about CVE-2026-31431 from MITRE CVE dictionary and NIST NVD

NOTE: The following CVSS metrics and score provided are preliminary and subject to review.

CVSS v3 metrics

Base Score:	7.8
Vector String:	CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Version:	3.1
Attack Vector:	Local
Attack Complexity:	Low
Privileges Required:	Low
User Interaction:	None
Scope:	Unchanged
Confidentiality Impact:	High
Integrity Impact:	High
Availability Impact:	High

Errata information

Platform	Errata	Release Date
Oracle Linux version 10 (kernel-uek)	ELSA-2026-50254	2026-05-01
Oracle Linux version 7 (kernel-uek)	ELSA-2026-50255	2026-05-01
Oracle Linux version 8 (kernel-uek)	ELSA-2026-50253	2026-05-01
Oracle Linux version 8 (kernel-uek)	ELSA-2026-50255	2026-05-01
Oracle Linux version 9 (kernel-uek)	ELSA-2026-50253	2026-05-01
Oracle Linux version 9 (kernel-uek)	ELSA-2026-50254	2026-05-01