CVE record · CVE-2026-74588

sctp: keep chunk->transport in step with the list it is queued on

CVSS 9.8 CriticalCriticalEPSS 0.0050 · 43rd percentile

Critical, because:

  • CVSS score 9.8: 9.0 or more.

How we decide what’s critical

Published by the CVE Program (CNA: Linux) at 22 Aug 2026, 15:31 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 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 to before 6575fb17230814b48b471727c8410c0aadff9274 git
  • affected 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 to before 6b9e2ea2057113f3393990ba646d2d97c719a80d git
  • affected 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 to before 874a7c2b5e184f06134fdfde27e9ce9271bafe58 git
  • affected 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 to before 1adf929121e13e0b19200bb9fef715b918d483fe git
  • affected 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 to before e2e7c1de0e226ca1b7fea2de57a6c9bca408709b git
  • affected 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 to before 2b3b5eec8b2c30ee237e3c31a6a38de9c39d804d git
  • affected 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 to before 5ccf35ef0ed6059cdf8b1f4606a6584d5b67166b git
  • affected 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 to before 9f2cf069a9a72a2d6b97ca8b4c70e714aac99749 git
Other versions: unaffected
Linux Linux
  • affected 2.6.12
  • unaffected before 2.6.12 semver
  • unaffected 5.10.265 to 5.10.*, inclusive semver
  • unaffected 5.15.216 to 5.15.*, inclusive semver
  • unaffected 6.1.183 to 6.1.*, inclusive semver
  • unaffected 6.6.152 to 6.6.*, inclusive semver
  • unaffected 6.12.104 to 6.12.*, inclusive semver
  • unaffected 6.18.45 to 6.18.*, inclusive semver
  • unaffected 7.1.9 to 7.1.*, inclusive semver
  • unaffected 7.2 to *, inclusive original_commit_for_fix
Other versions: affected
Identifiers
CVE-2026-74588
CNA
Linux
Published
22 Aug 2026
Updated
16 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
9.8 Critical 3.1 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H CNA (Linux)
  • CISA KEV Not listed.
  • EPSS 0.0050, the 43rd percentile, on 15 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 Aug 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.