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CVE record · CVE-2026-90261

btrfs: zoned: flush active metadata block group at btree_writepages() start

No CVSS scoreEPSS 0.0021 · 10th percentile

Published by the CVE Program (CNA: Linux) at 17 Sept 2026, 16:07 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
VendorProductVersions
Linux Linux
  • affected 13bb483d32abb6f8ebd40141d87eb68f11cc2dd2 to before 58b0ab0340ce04a057169d42cbacbf786063813d git
  • affected 13bb483d32abb6f8ebd40141d87eb68f11cc2dd2 to before e2de2989adb3e58c2320e57c255f52e065667b5e git
  • affected 13bb483d32abb6f8ebd40141d87eb68f11cc2dd2 to before ecc05eda9a346848ae01a6c8bfa3f0bec133bd8b git
  • affected fca3a1cd3ba47f1815e0c0fcdc9aafaf02ee0a75 git
  • affected 6.5.5 to before 6.6 semver
Other versions: unaffected
Linux Linux
  • affected 6.6
  • unaffected before 6.6 semver
  • unaffected 6.18.57 to 6.18.*, inclusive semver
  • unaffected 7.2.6 to 7.2.*, inclusive semver
  • unaffected 7.3 to *, inclusive original_commit_for_fix
Other versions: affected
Identifiers
CVE-2026-90261
CNA
Linux
Tags
Published
17 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 0.0021, the 10th percentile, on 13 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 17 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.