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CVE record · CVE-2026-99040

KEYS: Fix add_key() race with keyring restriction

No CVSS scoreEPSS 0.0019 · 8th percentile

Published by the CVE Program (CNA: Linux) at 23 Oct 2026, 12:21 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 5ac7eace2d00eab5ae0e9fdee63e38aee6001f7c to before 24806fc9bca28fa1433bf938d1424dcb45d80e50 git
  • affected 5ac7eace2d00eab5ae0e9fdee63e38aee6001f7c to before 9a5c2700336878465a630804a2d21864f22eca9c git
  • affected 5ac7eace2d00eab5ae0e9fdee63e38aee6001f7c to before b3e404550dc2b7f3d4bb64b1da8005a1fa9a798d git
  • affected 5ac7eace2d00eab5ae0e9fdee63e38aee6001f7c to before 305f1828b871dd46bf41addeb6f11d2c162dcb25 git
  • affected 5ac7eace2d00eab5ae0e9fdee63e38aee6001f7c to before f99399b48e3edd6851fac34cd329bab9f1f33baf git
  • affected 5ac7eace2d00eab5ae0e9fdee63e38aee6001f7c to before 11516a0c402a6c1fa52254aa70d8d65fb921e59e git
  • affected 5ac7eace2d00eab5ae0e9fdee63e38aee6001f7c to before da0b595d8e6e2dd798f6e34e09dc51a13b888514 git
  • affected 5ac7eace2d00eab5ae0e9fdee63e38aee6001f7c to before dd3ea3fcba7c75493760cdbccd35f029597e8d5e git
Other versions: unaffected
Linux Linux
  • affected 4.7
  • unaffected before 4.7 semver
  • unaffected 5.10.273 to 5.10.*, inclusive semver
  • unaffected 5.15.224 to 5.15.*, inclusive semver
  • unaffected 6.1.191 to 6.1.*, inclusive semver
  • unaffected 6.6.160 to 6.6.*, inclusive semver
  • unaffected 6.12.113 to 6.12.*, inclusive semver
  • unaffected 6.18.57 to 6.18.*, inclusive semver
  • unaffected 7.2.11 to 7.2.*, inclusive semver
  • unaffected 7.3 to *, inclusive original_commit_for_fix
Other versions: affected
Identifiers
CVE-2026-99040
CNA
Linux
Tags
Published
23 Oct 2026
Updated
30 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 0.0019, the 8th percentile, on 6 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 23 Oct 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.