CVE record · CVE-2026-89442

platform/x86: ISST: Validate socket ID in clos_assoc ioctl

CVSS 7.8 HighEPSS 0.0017 · 6th percentile

Published by the CVE Program (CNA: Linux) at 11 Sept 2026, 19:43 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 12a7d2cb811dd8a884dea088a2701fcb8d00136e to before c847ea4851ecfa3462cc711ded2c3c3dd8d08ab8 git affected 12a7d2cb811dd8a884dea088a2701fcb8d00136e to before 0d90ab5f80e19cddfeb0c9fab47a1f34aa932075 git affected 12a7d2cb811dd8a884dea088a2701fcb8d00136e to before 82e707eff9e3b7ef6d96ecc23ea8876d20c7d6ca git affected 12a7d2cb811dd8a884dea088a2701fcb8d00136e to before 207b4dc6eb100141b122b2602504a1429a4b6558 git affected 12a7d2cb811dd8a884dea088a2701fcb8d00136e to before a89f07db0cb95c54dac4a8406c79a04e44a73c3c git Other versions: unaffected
Linux	Linux	affected 6.4 unaffected before 6.4 semver unaffected 6.6.157 to 6.6., inclusive 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-2026-89442
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
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)

CISA KEV Not listed.
EPSS 0.0017, the 6th 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.