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CVE record · CVE-2021-3444

Linux kernel bpf verifier incorrect mod32 truncation

CVSS 7.8 HighEPSS 0.0061 · 49th percentile

Published by the CVE Program (CNA: canonical) at 23 Mar 2021, 17:45 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 kernel
  • affected trunk to before 5.12-rc1 custom
  • affected 5.11 to before 5.11.2 custom
  • affected 5.10 to before 5.10.19 custom
  • affected 5.4 to before 5.4.101 custom
Identifiers
CVE-2021-3444
CNA
canonical
Weakness (CWE)
CWE-681
Tags
Published
23 Mar 2021
Updated
16 Sept 2024

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:H/PR:L/UI:N/S:C/C:H/I:H/A:H CNA (canonical)
  • CISA KEV Not listed.
  • EPSS 0.0061, the 49th 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 23 Mar 2021. 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.