CVE record · CVE-2026-80859

fuse: fix missing barrier when checking io-uring readiness

No CVSS scoreEPSS 0.0015 · 4th percentile

Published by the CVE Program (CNA: Linux) at 4 Sept 2026, 15:55 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 3393ff964e0fa5def66570c54a4612bf9df06b76 to before 8974575898cd7a4c818088f102b2e7a0286d3302 git affected 3393ff964e0fa5def66570c54a4612bf9df06b76 to before dd9c835709f4bb3e4256eea7573e4e6e18f956de git affected 3393ff964e0fa5def66570c54a4612bf9df06b76 to before edb310bc27f0ad83e7fd558a3caf1a94ca511654 git Other versions: unaffected
Linux	Linux	affected 6.14 unaffected before 6.14 semver unaffected 6.18.51 to 6.18., inclusive semver unaffected 7.2.3 to 7.2., inclusive semver unaffected 7.3 to *, inclusive original_commit_for_fix Other versions: affected

Identifiers: CVE-2026-80859
CNA: Linux
Tags: Linux kernel
Published: 4 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

No source has published a CVSS score for this record yet.

CISA KEV Not listed.
EPSS 0.0015, the 4th 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 4 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.