Connect your agent
AdvisoriesCriticalCheck your lockfilePluginHow it worksPricing Connect your agent

CVE record · CVE-2026-31474

can: isotp: fix tx.buf use-after-free in isotp_sendmsg()

CVSS 7.8 HighEPSS 0.0010 · 1st percentile

Published by the CVE Program (CNA: Linux) at 22 Apr 2026, 13:54 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 96d1c81e6a0478535342dff6c730adb076cd84e8 to before cb3d6efa78460e6d50bf68806d0db66265709f64 git
  • affected 96d1c81e6a0478535342dff6c730adb076cd84e8 to before 9649d051e54413049c009638ec1dc23962c884a4 git
  • affected 96d1c81e6a0478535342dff6c730adb076cd84e8 to before eec8a1b18a79600bd4419079dc0026c1db72a830 git
  • affected 96d1c81e6a0478535342dff6c730adb076cd84e8 to before 2e62e7051eca75a7f2e3d52d62ec10d7d7aa358c git
  • affected 96d1c81e6a0478535342dff6c730adb076cd84e8 to before 424e95d62110cdbc8fd12b40918f37e408e35a92 git
Other versions: unaffected
Linux Linux
  • affected 6.4
  • unaffected before 6.4 semver
  • unaffected 6.6.131 to 6.6.*, inclusive semver
  • unaffected 6.12.80 to 6.12.*, inclusive semver
  • unaffected 6.18.21 to 6.18.*, inclusive semver
  • unaffected 6.19.11 to 6.19.*, inclusive semver
  • unaffected 7.0 to *, inclusive original_commit_for_fix
Other versions: affected
Identifiers
CVE-2026-31474
CNA
Linux
Weakness (CWE)
CWE-364 · CWE-416
Tags
Published
22 Apr 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)Used for this record
7.8 High 3.1 CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H ADP (redhat-SADP)
  • CISA KEV Not listed.
  • EPSS 0.0010, the 1st percentile, on 6 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 Apr 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.