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CVE record · CVE-2026-89765

timers/itimer: Zero-init old itimerval before copy to userspace

No CVSS scoreEPSS 0.0020 · 10th 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 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 to before 6d4b937251386d9c6f968e7802f0cb16a8523772 git
  • affected 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 to before 4ea70146ab9376092297eb8b622ef1792797f2cf git
  • affected 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 to before a17b345daff46fec4af9f1ecbdf350208016dd15 git
  • affected 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 to before bdfda99c5763822a9a888e8af0ad7d9312ffcfe2 git
  • affected 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 to before 4c66719dd1e4023c5e3f7d050f1bbefec3dfbeb4 git
  • affected 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 to before 2bf5e8f7c9bf4ad3be343a9a6e3e50a34264d25e git
  • affected 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 to before 00ef529a5402f41eb1d227916437e237450719f9 git
  • affected 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 to before 18c7d85864e554adc8fad1e8d2e9d2cb6c3911c8 git
Other versions: unaffected
Linux Linux
  • affected 2.6.12
  • unaffected before 2.6.12 semver
  • unaffected 5.10.270 to 5.10.*, inclusive semver
  • unaffected 5.15.221 to 5.15.*, inclusive semver
  • unaffected 6.1.188 to 6.1.*, inclusive semver
  • unaffected 6.6.157 to 6.6.*, inclusive semver
  • unaffected 6.12.109 to 6.12.*, inclusive 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-2026-89765
CNA
Linux
Tags
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 10th 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.