CVE record · CVE-2026-45988

rxrpc: Fix re-decryption of RESPONSE packets

CVSS 9.8 CriticalCriticalEPSS 0.0046 · 39th 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 27 May 2026, 12:55 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 17926a79320afa9b95df6b977b40cca6d8713cea to before d61482be4aae1835b78875761206241835a7510e git
  • affected 17926a79320afa9b95df6b977b40cca6d8713cea to before 7b89868305052b94a91b708c462bc2281fa42a4a git
  • affected 17926a79320afa9b95df6b977b40cca6d8713cea to before 76cb9a2d252274adfae6e293a292434631a7d472 git
  • affected 17926a79320afa9b95df6b977b40cca6d8713cea to before f55b383070170e988e4dec28be2af1714d258521 git
  • affected 17926a79320afa9b95df6b977b40cca6d8713cea to before 0422e7a4883f25101903f3e8105c0808aa5f4ce9 git
Other versions: unaffected
Linux Linux
  • affected 2.6.22
  • unaffected before 2.6.22 semver
  • unaffected 6.6.140 to 6.6.*, inclusive semver
  • unaffected 6.12.86 to 6.12.*, inclusive semver
  • unaffected 6.18.27 to 6.18.*, inclusive semver
  • unaffected 7.0.4 to 7.0.*, inclusive semver
  • unaffected 7.1 to *, inclusive original_commit_for_fix
Other versions: affected
Identifiers
CVE-2026-45988
CNA
Linux
Weakness (CWE)
CWE-682
Published
27 May 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
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 0.0046, the 39th percentile, on 5 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 27 May 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.