CVE-2026-31676 (GCVE-0-2026-31676)
Vulnerability from cvelistv5
Published
2026-04-25 08:46
Modified
2026-10-19 18:56
Severity ?
7.5 (High) - CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Summary
In the Linux kernel, the following vulnerability has been resolved: rxrpc: only handle RESPONSE during service challenge Only process RESPONSE packets while the service connection is still in RXRPC_CONN_SERVICE_CHALLENGING. Check that state under state_lock before running response verification and security initialization, then use a local secured flag to decide whether to queue the secured-connection work after the state transition. This keeps duplicate or late RESPONSE packets from re-running the setup path and removes the unlocked post-transition state test.
References
Impacted products
Vendor Product Version
Linux Linux Version: 17926a79320afa9b95df6b977b40cca6d8713cea
Version: 17926a79320afa9b95df6b977b40cca6d8713cea
Version: 17926a79320afa9b95df6b977b40cca6d8713cea
Version: 17926a79320afa9b95df6b977b40cca6d8713cea
Version: 17926a79320afa9b95df6b977b40cca6d8713cea
Version: 17926a79320afa9b95df6b977b40cca6d8713cea
Version: 17926a79320afa9b95df6b977b40cca6d8713cea
Version: 17926a79320afa9b95df6b977b40cca6d8713cea
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Tags
Taxonomy of the tags.




Sightings

Author Source Type Date

Nomenclature

  • Seen: The vulnerability was mentioned, discussed, or seen somewhere by the user.
  • Confirmed: The vulnerability is confirmed from an analyst perspective.
  • Published Proof of Concept: A public proof of concept is available for this vulnerability.
  • Exploited: This vulnerability was exploited and seen by the user reporting the sighting.
  • Patched: This vulnerability was successfully patched by the user reporting the sighting.
  • Not exploited: This vulnerability was not exploited or seen by the user reporting the sighting.
  • Not confirmed: The user expresses doubt about the veracity of the vulnerability.
  • Not patched: This vulnerability was not successfully patched by the user reporting the sighting.