CVE record · CVE-2026-89641

cifs: clear tcon after cifsFileInfo_put() in cifs_file_set_size()

CVSS 7.8 HighEPSS 0.0014 · 3rd percentile

Published by the CVE Program (CNA: Linux) at 11 Sept 2026, 19:45 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 110fee6b9bb58a5c50047fc2594d415f741b591e to before 4f18c9e7ee464aaae5cd9fccdb943b3fcb4655d4 git affected 110fee6b9bb58a5c50047fc2594d415f741b591e to before 4bea15d9c7683218f57b8c1f5f0aa75cab76af8d git affected 110fee6b9bb58a5c50047fc2594d415f741b591e to before b96db32fed8dfb2478d7c208f89bf383beed1535 git Other versions: unaffected
Linux	Linux	affected 6.18 unaffected before 6.18 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-2026-89641
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 0.0014, the 3rd 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.