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CVE record · CVE-2026-89789

gtp: add synchronize_net() in gtp_newlink() error path to prevent use-after-free

CVSS 7.8 HighEPSS 0.0016 · 5th percentile

Published by the CVE Program (CNA: Linux) at 16 Sept 2026, 08:48 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 459aa660eb1d8ce67080da1983bb81d716aa5a69 to before fcafb2b1430824bae4258c01a439ec97ca0c6973 git
  • affected 459aa660eb1d8ce67080da1983bb81d716aa5a69 to before 3ca3da5c305caa873ddb81e8c6b118143f6dd3d1 git
  • affected 459aa660eb1d8ce67080da1983bb81d716aa5a69 to before 6f815c2fb6ab20385f81c353cdad0ea3b88132af git
  • affected 459aa660eb1d8ce67080da1983bb81d716aa5a69 to before e3b9aa0773abd5d4ed90be41ce5306c146d5b09e git
  • affected 459aa660eb1d8ce67080da1983bb81d716aa5a69 to before fd8396cfecbd904468c71362f08aaa25f96d5337 git
  • affected 459aa660eb1d8ce67080da1983bb81d716aa5a69 to before 7677eb2cbf2cc7446de474c01a6b06277c0051e5 git
  • affected 459aa660eb1d8ce67080da1983bb81d716aa5a69 to before 8d85498016a5bb56339734a14c276209fa65bafc git
  • affected 459aa660eb1d8ce67080da1983bb81d716aa5a69 to before d989e22ae9802c52c56ad4284d0caf26696cf6ae git
Other versions: unaffected
Linux Linux
  • affected 4.7
  • unaffected before 4.7 semver
  • unaffected 5.10.270 to 5.10.*, inclusive semver
  • unaffected 5.15.221 to 5.15.*, inclusive semver
  • unaffected 6.1.188 to 6.1.*, inclusive semver
  • unaffected 6.6.157 to 6.6.*, inclusive semver
  • unaffected 6.12.110 to 6.12.*, inclusive semver
  • unaffected 6.18.52 to 6.18.*, inclusive semver
  • unaffected 7.2.6 to 7.2.*, inclusive semver
  • unaffected 7.3 to *, inclusive original_commit_for_fix
Other versions: affected
Identifiers
CVE-2026-89789
CNA
Linux
Tags
Published
16 Sept 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)
  • CISA KEV Not listed.
  • EPSS 0.0016, the 5th 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 16 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.