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CVE record · CVE-2021-47456

can: peak_pci: peak_pci_remove(): fix UAF

CVSS 8.4 HighEPSS 0.0024 · 14th percentile

Published by the CVE Program (CNA: Linux) at 22 May 2024, 06:19 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 e6d9c80b7ca1504411ad6d7acdb8683e4ae1c9cd to before 1c616528ba4aeb1125a06b407572ab7b56acae38 git
  • affected e6d9c80b7ca1504411ad6d7acdb8683e4ae1c9cd to before 447d44cd2f67a20b596ede3ca3cd67086dfd9ca9 git
  • affected e6d9c80b7ca1504411ad6d7acdb8683e4ae1c9cd to before 34914971bb3244db4ce2be44e9438a9b30c56250 git
  • affected e6d9c80b7ca1504411ad6d7acdb8683e4ae1c9cd to before adbda14730aacce41c0d3596415aa39ad63eafd9 git
  • affected e6d9c80b7ca1504411ad6d7acdb8683e4ae1c9cd to before 1248582e47a9f7ce0ecd156c39fc61f8b6aa3699 git
  • affected e6d9c80b7ca1504411ad6d7acdb8683e4ae1c9cd to before 28f28e4bc3a5e0051faa963f10b778ab38c1db69 git
  • affected e6d9c80b7ca1504411ad6d7acdb8683e4ae1c9cd to before 0e5afdc2315b0737edcf55bede4ee1640d2d464d git
  • affected e6d9c80b7ca1504411ad6d7acdb8683e4ae1c9cd to before 949fe9b35570361bc6ee2652f89a0561b26eec98 git
Other versions: unaffected
Linux Linux
  • affected 3.4
  • unaffected before 3.4 semver
  • unaffected 4.4.290 to 4.4.*, inclusive semver
  • unaffected 4.9.288 to 4.9.*, inclusive semver
  • unaffected 4.14.253 to 4.14.*, inclusive semver
  • unaffected 4.19.214 to 4.19.*, inclusive semver
  • unaffected 5.4.156 to 5.4.*, inclusive semver
  • unaffected 5.10.76 to 5.10.*, inclusive semver
  • unaffected 5.14.15 to 5.14.*, inclusive semver
  • unaffected 5.15 to *, inclusive original_commit_for_fix
Other versions: affected
Identifiers
CVE-2021-47456
CNA
Linux
Weakness (CWE)
CWE-416 · CWE-467
Tags
Published
22 May 2024
Updated
11 May 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
8.4 High 3.1 CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H ADP (CISA-ADP)
  • CISA KEV Not listed.
  • EPSS 0.0024, the 14th 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 22 May 2024. 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.