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CVE record · CVE-2026-89988

kprobes: Protect kprobe_blacklist with RCU

CVSS 7.8 HighEPSS 0.0017 · 6th percentile

Published by the CVE Program (CNA: Linux) at 16 Sept 2026, 10:33 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 376e242429bf8539ef39a080ac113c8799840b13 to before 3fb8386682ef4d0858c38bf0d8d8a47ba171fa23 git
  • affected 376e242429bf8539ef39a080ac113c8799840b13 to before 5d97a13defc648c64d138145ace429b6a3d08943 git
  • affected 376e242429bf8539ef39a080ac113c8799840b13 to before 8f406205003f741225f620f0e357ca0de71d45e3 git
  • affected 376e242429bf8539ef39a080ac113c8799840b13 to before 630ed8734a02b992e8a97538179c2ece42c5210f git
  • affected 376e242429bf8539ef39a080ac113c8799840b13 to before 518d9b5568bb06f86e4434f7a30faa9612ea91ad git
  • affected 376e242429bf8539ef39a080ac113c8799840b13 to before 5da247e4d1e8661d4d6f997101d59967e8994e32 git
  • affected 376e242429bf8539ef39a080ac113c8799840b13 to before 6e62cf983a2bd547e6bbd3f935539233e5f97f8f git
  • affected 376e242429bf8539ef39a080ac113c8799840b13 to before 0c4256196b3a105307e2235fbfd85e768bbcdd0f git
Other versions: unaffected
Linux Linux
  • affected 3.16
  • unaffected before 3.16 semver
  • unaffected 5.10.273 to 5.10.*, inclusive semver
  • unaffected 5.15.224 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 6.18.51 to 6.18.*, inclusive semver
  • unaffected 7.2.5 to 7.2.*, inclusive semver
  • unaffected 7.3 to *, inclusive original_commit_for_fix
Other versions: affected
Identifiers
CVE-2026-89988
CNA
Linux
Tags
Published
16 Sept 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

ScoreRatingCVSSVectorSource
7.8 High 3.1 CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H CNA (Linux)
  • CISA KEV Not listed.
  • EPSS 0.0017, the 6th 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 16 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.