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CVE record · CVE-2026-74586

sctp: clear new_transport when removing a peer

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 6af29ccc223b0feb6fc6112281c3fa3cdb1afddf to before c0f973bb5118dd1b146cda3fcc8af6f6057befec git
  • affected 6af29ccc223b0feb6fc6112281c3fa3cdb1afddf to before 3b539b317cd052236fed0350364ff1268996ba46 git
  • affected 6af29ccc223b0feb6fc6112281c3fa3cdb1afddf to before db9d8e3b670f841755bc2018f178472dc6064d27 git
  • affected 6af29ccc223b0feb6fc6112281c3fa3cdb1afddf to before 31efa656cf6aface26e88f038c14f22ee6ca1500 git
  • affected 6af29ccc223b0feb6fc6112281c3fa3cdb1afddf to before 291accf36febce751021888de5f15090f4875b56 git
  • affected 6af29ccc223b0feb6fc6112281c3fa3cdb1afddf to before ca33df36aa0143a1d04f57d2086020c12e7eddb7 git
  • affected 6af29ccc223b0feb6fc6112281c3fa3cdb1afddf to before 163847552a571bd55094291f4ffcdc1de0f14a7b git
  • affected 6af29ccc223b0feb6fc6112281c3fa3cdb1afddf to before beb33f8ee1ca83acddb2a5ae80f3d22ec550b4c3 git
Other versions: unaffected
Linux Linux
  • affected 3.2
  • unaffected before 3.2 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-2026-74586
CNA
Linux
Tags
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.