CVE record · CVE-2026-89639

cifs: use cifs_invalidate_cache() in cifs_do_truncate() for O_TRUNC

CVSS 7.1 HighEPSS 0.0013 · 2nd 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 efbcecdecefc26fa062c0e8210533ccad7d6bd4a to before 8b9b10fe5b8b492b27b9f4546742ea541a650213 git affected fa724e235cfdb0fb0bb427d0f9dfe864ae27403e to before 81fc3868a7f726980ff845c1d0d271051e5f0f45 git affected fa724e235cfdb0fb0bb427d0f9dfe864ae27403e to before 364b183230586a62660a7280c1eb20138338eeb5 git affected 6838bcac954487cc0a3c8a4ee1b3a3a30e244dc9 git affected 75640976cf474eb41682a13f2dbe9534ac26ca50 git affected 3513f3931c579ba2a715784c6dedc59e0d9282ee git affected 6.18.44 to before 6.18.50 semver affected 6.12.105 to before 6.13 semver affected 7.1.8 to before 7.2 semver Other versions: unaffected
Linux	Linux	affected 7.2 unaffected before 7.2 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-2026-89639
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
7.1	High	3.1	CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:N	CNA (Linux)

CISA KEV Not listed.
EPSS 0.0013, the 2nd 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.