CVE record · CVE-2026-31431

crypto: algif_aead - Revert to operating out-of-place

CVSS 7.8 HighCriticalIn CISA KEVEPSS 0.98 · 99th percentile

Critical, because:

In CISA’s KEV catalogue since 1 May 2026: it is known to be exploited.
CVSS score 7.8 (7.0 or more) and EPSS 0.98 (0.1 or more): a high score and a real chance of exploitation in the next 30 days.

Published by the CVE Program (CNA: Linux) at 22 Apr 2026, 08:15 UTC. agentprime has not analysed this yet, so whether it affects any app is not known. This CVE names a vendor and product rather than a package, so the lockfile check doesn’t match it.

Affected products, as the CNA wrote them
Vendor	Product	Versions
Linux	Linux	affected 72548b093ee38a6d4f2a19e6ef1948ae05c181f7 to before 893d22e0135fa394db81df88697fba6032747667 git affected 72548b093ee38a6d4f2a19e6ef1948ae05c181f7 to before 19d43105a97be0810edbda875f2cd03f30dc130c git affected 72548b093ee38a6d4f2a19e6ef1948ae05c181f7 to before 961cfa271a918ad4ae452420e7c303149002875b git affected 72548b093ee38a6d4f2a19e6ef1948ae05c181f7 to before 3115af9644c342b356f3f07a4dd1c8905cd9a6fc git affected 72548b093ee38a6d4f2a19e6ef1948ae05c181f7 to before 8b88d99341f139e23bdeb1027a2a3ae10d341d82 git affected 72548b093ee38a6d4f2a19e6ef1948ae05c181f7 to before fafe0fa2995a0f7073c1c358d7d3145bcc9aedd8 git affected 72548b093ee38a6d4f2a19e6ef1948ae05c181f7 to before ce42ee423e58dffa5ec03524054c9d8bfd4f6237 git affected 72548b093ee38a6d4f2a19e6ef1948ae05c181f7 to before a664bf3d603dc3bdcf9ae47cc21e0daec706d7a5 git Other versions: unaffected
Linux	Linux	affected 4.14 unaffected before 4.14 semver unaffected 5.10.254 to 5.10., inclusive semver unaffected 5.15.204 to 5.15., inclusive semver unaffected 6.1.170 to 6.1., inclusive semver unaffected 6.6.137 to 6.6., inclusive semver unaffected 6.12.85 to 6.12., inclusive semver unaffected 6.18.22 to 6.18., inclusive semver unaffected 6.19.12 to 6.19., inclusive semver unaffected 7.0 to , inclusive original_commit_for_fix Other versions: affected

Identifiers: CVE-2026-31431
CNA: Linux
Weakness (CWE): CWE-669 · CWE-1288
Tags: Linux kernel
CWE-669
CWE-1288
Published: 22 Apr 2026
Updated: 15 Oct 2026

Not analysed yet

We haven’t published our own analysis of this CVE. If a person reviews it, this page will say what’s affected and what has to be true for it to matter.

Severity and exploitation

Score	Rating	CVSS	Vector	Source
7.8	High	3.1	CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H	CNA (Linux)Used for this record
7.8	High	3.1	CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H	ADP (redhat-SADP)

CISA KEV Listed since 1 May 2026: known to be exploited.
EPSS 0.98, the 99th percentile, on 5 Nov 2026: FIRST’s estimate of the chance of exploitation in the next 30 days.

Timeline

This record came from the full history of the CVE Program, published 22 Apr 2026. New records show when each source confirmed them.

Sources

References from the CNA

Facts on this page come from the CVE List as the CNA published them, with CVSS from the sources named above, CISA KEV and FIRST EPSS. Vendors, products and versions are shown as the CNA wrote them. We don’t reproduce the CVE’s description.