CVE record · CVE-2026-89588

ACPI: APEI: GHES: fix ARM section length accounting after header

CVSS 8.4 HighEPSS 0.0019 · 8th percentile

Published by the CVE Program (CNA: Linux) at 11 Sept 2026, 19:44 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 242c652849d979d0133c315a42d9acea0ff88390 to before 5ff385e9403e87ae33f65b8c38698d3b1e92cfde git affected 136093ba4161e0080088abff48273f6830a47766 to before 452eb28e03015abec6d4bf6488ee567706ade4e1 git affected 87880af2d24e62a84ed19943dbdd524f097172f2 to before b48b613073c3d652cb1823c15d16f7067cf4cee4 git affected 87880af2d24e62a84ed19943dbdd524f097172f2 to before 903308ea40adf0577d82eab69882faf8836326ce git affected db103b8bd3a4aca69b1b5fe8831a6ed75ac4b3bd git affected 6.12.75 to before 6.12.109 semver affected 6.18.16 to before 6.18.50 semver affected 6.19.6 to before 6.20 semver Other versions: unaffected
Linux	Linux	affected 7.0 unaffected before 7.0 semver unaffected 6.12.109 to 6.12., inclusive semver unaffected 6.18.50 to 6.18., inclusive semver unaffected 7.2.4 to 7.2., inclusive semver unaffected 7.3 to , inclusive original_commit_for_fix Other versions: affected

Identifiers: CVE-2026-89588
CNA: Linux
Tags: Linux kernel
Published: 11 Sept 2026
Updated: 19 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
8.4	High	3.1	CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H	CNA (Linux)

CISA KEV Not listed.
EPSS 0.0019, the 8th percentile, on 14 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 11 Sept 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.