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CVE record · CVE-2026-89460

s390/cpum_cf: Handle CPU hotplug via prepare/dead callbacks

No CVSS scoreEPSS 0.0017 · 6th percentile

Published by the CVE Program (CNA: Linux) at 11 Sept 2026, 19:43 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 9b9cf3c77e7e090b30657b3d2c288deb58dfb4f2 to before 991be92489bc7b1b6e7903debb96bd58c892dee4 git
  • affected 9b9cf3c77e7e090b30657b3d2c288deb58dfb4f2 to before 777d040c2f91d8d929b4a32333dfe4102b27caea git
  • affected 9b9cf3c77e7e090b30657b3d2c288deb58dfb4f2 to before dcce7a06ea690d5cf46a705a9b74cf0398ac091f git
  • affected 9b9cf3c77e7e090b30657b3d2c288deb58dfb4f2 to before 71d46de9153e067c63a15f3b00e6364e1c0230f8 git
  • affected 9b9cf3c77e7e090b30657b3d2c288deb58dfb4f2 to before 337bd95507a16063687cfc286ea90de5cca48c37 git
Other versions: unaffected
Linux Linux
  • affected 6.5
  • unaffected before 6.5 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-2026-89460
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 0.0017, the 6th 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.