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CVE record · CVE-2026-89963

powerpc/kexec_file: Fix null-ptr-def in extra size calculation

No CVSS scoreEPSS 0.0021 · 11th percentile

Published by the CVE Program (CNA: Linux) at 16 Sept 2026, 10:32 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 0d3ff067331ef84e7e7f49537d768881042ed5ba to before 11ef1c2a5dbe0bd8c1345f59bab7331d352f02cf git
  • affected 0d3ff067331ef84e7e7f49537d768881042ed5ba to before df45337587db21c502fe5251d3bcc7887428f4fb git
  • affected 0d3ff067331ef84e7e7f49537d768881042ed5ba to before 4ff3d9fd71c7bc2fc81afdac1970d9c55a5c0dea git
  • affected 0d3ff067331ef84e7e7f49537d768881042ed5ba to before 761eda315a6e1fda3e8e2185b28430771fb1ac29 git
Other versions: unaffected
Linux Linux
  • affected 6.11
  • unaffected before 6.11 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-2026-89963
CNA
Linux
Tags
Published
16 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 0.0021, the 11th 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.