CVE record · CVE-2026-89772

btrfs: write-protect folios during data writeback

No CVSS scoreEPSS 0.0020 · 9th percentile

Published by the CVE Program (CNA: Linux) at 11 Sept 2026, 19:47 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 a4ef54dbb576032ba31a646a5ffc8a26a83cb92c to before 074c715e0b498891c09fe7f11e1cd9d7a04699bd git
  • affected a4ef54dbb576032ba31a646a5ffc8a26a83cb92c to before 5376c9db45368eb210b4d71104ac00a59dc8b6e0 git
Other versions: unaffected
Linux Linux
  • affected 6.13
  • unaffected before 6.13 semver
  • unaffected 7.2.4 to 7.2.*, inclusive semver
  • unaffected 7.3 to *, inclusive original_commit_for_fix
Other versions: affected
Identifiers
CVE-2026-89772
CNA
Linux
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

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

  • CISA KEV Not listed.
  • EPSS 0.0020, the 9th 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.