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CVE record · CVE-2026-89696

nfsd: block non-SAVEFH ops after FOREIGN PUTFH to prevent NULL deref

CVSS 7.5 HighEPSS 0.0075 · 55th percentile

Published by the CVE Program (CNA: Linux) at 11 Sept 2026, 19:46 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 b9e8638e3d9ed8334f1f7071e081860aac37e83e to before ffdc844e673d2bcb2af8c8c3eef8cdea59d0bf32 git
  • affected b9e8638e3d9ed8334f1f7071e081860aac37e83e to before 00c84f4eec715e501efc080a5670114189e42507 git
  • affected b9e8638e3d9ed8334f1f7071e081860aac37e83e to before 2d9846fd1c767920fddd4bde30eb35cd2969df13 git
  • affected b9e8638e3d9ed8334f1f7071e081860aac37e83e to before 977e6f006a7a3ffc4216ae6034f768f8de6fd138 git
  • affected b9e8638e3d9ed8334f1f7071e081860aac37e83e to before 35f248bd40b47b229d4999581df45b97daadd977 git
  • affected b9e8638e3d9ed8334f1f7071e081860aac37e83e to before 311f7d926630940650447cbd1c932b076b40a6c4 git
  • affected b9e8638e3d9ed8334f1f7071e081860aac37e83e to before bf4d338dc8625d70c7f2cb0657d66851a7ac9154 git
  • affected b9e8638e3d9ed8334f1f7071e081860aac37e83e to before c59738a00aa51b16adc1b5ceb7c80877168efb4d git
Other versions: unaffected
Linux Linux
  • affected 5.6
  • unaffected before 5.6 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-2026-89696
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

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