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CVE record · CVE-2026-89561

ipv6: rpl: fix NULL dereference of idev in ipv6_rpl_srh_rcv()

CVSS 7.5 HighEPSS 0.0048 · 41st percentile

Published by the CVE Program (CNA: Linux) at 11 Sept 2026, 19:44 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 8610c7c6e3bd647ff98d21c8bc0580e77bc2f8b3 to before f5e89dfc0a815c6ed12791d8deb3b6f39dd0621e git
  • affected 8610c7c6e3bd647ff98d21c8bc0580e77bc2f8b3 to before 62b63a505c10e8db76017ef73c0b243e0dc5d288 git
  • affected 8610c7c6e3bd647ff98d21c8bc0580e77bc2f8b3 to before e7123e10c86eb88eaa90537dd1f232706de2d308 git
  • affected 8610c7c6e3bd647ff98d21c8bc0580e77bc2f8b3 to before 63f50e9f90d0287ad66a0955ebfc2d3a9c044a1c git
  • affected 8610c7c6e3bd647ff98d21c8bc0580e77bc2f8b3 to before eab3a917cdcb182542a3aac6a0d2d30659ca9821 git
  • affected 8610c7c6e3bd647ff98d21c8bc0580e77bc2f8b3 to before f826df95332c07380206dbd54178b6eefb311aba git
Other versions: unaffected
Linux Linux
  • affected 5.7
  • unaffected before 5.7 semver
  • unaffected 6.1.191 to 6.1.*, inclusive semver
  • unaffected 6.6.160 to 6.6.*, inclusive semver
  • unaffected 6.12.111 to 6.12.*, inclusive semver
  • unaffected 6.18.50 to 6.18.*, inclusive semver
  • unaffected 7.2.4 to 7.2.*, inclusive semver
  • unaffected 7.3 to *, inclusive original_commit_for_fix
Other versions: affected
Identifiers
CVE-2026-89561
CNA
Linux
Tags
Published
11 Sept 2026
Updated
30 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
7.5 High 3.1 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H CNA (Linux)
  • CISA KEV Not listed.
  • EPSS 0.0048, the 41st percentile, on 14 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 11 Sept 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.