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CVE record · CVE-2026-98049

bpf: zero extend the result of an arena 32-bit cmpxchg

No CVSS scoreEPSS 0.0015 · 4th percentile

Published by the CVE Program (CNA: Linux) at 25 Sept 2026, 10:23 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 d503a04f8bc0c75dc9db9452d8cc79d748afb752 to before 1bb1be18263995b159cf5afad3a05500ba6d2a7b git
  • affected d503a04f8bc0c75dc9db9452d8cc79d748afb752 to before 6bb6ae5ab1beffda51dabf41612f501d07f10fc6 git
  • affected d503a04f8bc0c75dc9db9452d8cc79d748afb752 to before 1c1b476d43a8b6c9bc04600369dd8cc39950d98e git
  • affected d503a04f8bc0c75dc9db9452d8cc79d748afb752 to before 4814ed6406f3493bd554ad046da5f7fc04833571 git
Other versions: unaffected
Linux Linux
  • affected 6.10
  • unaffected before 6.10 semver
  • unaffected 6.12.114 to 6.12.*, inclusive semver
  • unaffected 6.18.57 to 6.18.*, inclusive semver
  • unaffected 7.2.7 to 7.2.*, inclusive semver
  • unaffected 7.3 to *, inclusive original_commit_for_fix
Other versions: affected
Identifiers
CVE-2026-98049
CNA
Linux
Tags
Published
25 Sept 2026
Updated
21 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 0.0015, the 4th percentile, on 11 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 25 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.