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CVE record · CVE-2026-43321

bpf: Properly mark live registers for indirect jumps

CVSS 7.8 HighEPSS 0.0015 · 4th percentile

Published by the CVE Program (CNA: Linux) at 8 May 2026, 13:26 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 493d9e0d608339a32f568504d5fd411a261bb0af to before 7beae54111c34ca63357ef120e115889b915beb5 git
  • affected 493d9e0d608339a32f568504d5fd411a261bb0af to before d1aab1ca576c90192ba961094d51b0be6355a4d6 git
Other versions: unaffected
Linux Linux
  • affected 6.19
  • unaffected before 6.19 semver
  • unaffected 6.19.6 to 6.19.*, inclusive semver
  • unaffected 7.0 to *, inclusive original_commit_for_fix
Other versions: affected
Identifiers
CVE-2026-43321
CNA
Linux
Weakness (CWE)
CWE-682
Tags
Published
8 May 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
7.8 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 0.0015, the 4th percentile, on 5 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 8 May 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.