CVE record · CVE-2026-90151

NFSv4: remove callback IDR entry on client allocation failure

CVSS 9.8 CriticalCriticalEPSS 0.0075 · 55th percentile

Critical, because:

  • CVSS score 9.8: 9.0 or more.

How we decide what’s critical

Published by the CVE Program (CNA: Linux) at 17 Sept 2026, 16:06 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 f4eecd5da3422e82e88e36c33cbd2595eebcacb1 to before 68c721391b761dbe38d5b0094d2bb6e8489ad92b git
  • affected f4eecd5da3422e82e88e36c33cbd2595eebcacb1 to before 9bfdd0f591307b5198826a0e7a5b2f35f87acd2d git
  • affected f4eecd5da3422e82e88e36c33cbd2595eebcacb1 to before 7c4812eb96bdcafb31a65b12f2aa96659429d1d4 git
  • affected f4eecd5da3422e82e88e36c33cbd2595eebcacb1 to before fc95ca82d5ae598c428ab5a00ae69f8526d59371 git
  • affected f4eecd5da3422e82e88e36c33cbd2595eebcacb1 to before 80b1c3d5a881f7d9081aa9f46da9742878a0f893 git
  • affected f4eecd5da3422e82e88e36c33cbd2595eebcacb1 to before 3f2387e8bfbc4efda5d77c3a11a028d0a119c48f git
  • affected f4eecd5da3422e82e88e36c33cbd2595eebcacb1 to before 5891c03e150920618db0e9c4ea2d772abacdcfd1 git
  • affected f4eecd5da3422e82e88e36c33cbd2595eebcacb1 to before d05c2007b3d84ccba11dc6e9cb3202768cc72f14 git
Other versions: unaffected
Linux Linux
  • affected 2.6.38
  • unaffected before 2.6.38 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 6.12.110 to 6.12.*, inclusive semver
  • unaffected 6.18.52 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-2026-90151
CNA
Linux
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

ScoreRatingCVSSVectorSource
9.8 Critical 3.1 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H CNA (Linux)
  • CISA KEV Not listed.
  • EPSS 0.0075, the 55th 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.