{"id":"CVE-2026-45988","title":"rxrpc: Fix re-decryption of RESPONSE packets","summary":"In the Linux kernel, the following vulnerability has been resolved:\n\nrxrpc: Fix re-decryption of RESPONSE packets\n\nIf a RESPONSE packet gets a temporary failure during processing, it may end\nup in a partially decrypted state - and then g…","severity":"critical","cvss":9.8,"cvssVector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H","cvssSource":"cna","vendor":"Linux","product":"Linux","affected":["Linux >= 17926a79320afa9b95df6b977b40cca6d8713cea < d61482be4aae1835b78875761206241835a7510e","Linux >= 17926a79320afa9b95df6b977b40cca6d8713cea < 7b89868305052b94a91b708c462bc2281fa42a4a","Linux >= 17926a79320afa9b95df6b977b40cca6d8713cea < 76cb9a2d252274adfae6e293a292434631a7d472","Linux >= 17926a79320afa9b95df6b977b40cca6d8713cea < f55b383070170e988e4dec28be2af1714d258521","Linux >= 17926a79320afa9b95df6b977b40cca6d8713cea < 0422e7a4883f25101903f3e8105c0808aa5f4ce9","Linux 2.6.22"],"ssvc":{"exploitation":"none","automatable":"yes","technicalImpact":"total","timestamp":"2026-10-16T15:18:47.821756Z"},"published":"2026-05-27","updated":"2026-10-16","sourceUpdated":"2026-10-16T15:20:48.289Z","source":"CVEORG","sourceUrl":"https://www.cve.org/CVERecord?id=CVE-2026-45988","references":[{"url":"https://git.kernel.org/stable/c/d61482be4aae1835b78875761206241835a7510e"},{"url":"https://git.kernel.org/stable/c/7b89868305052b94a91b708c462bc2281fa42a4a"},{"url":"https://git.kernel.org/stable/c/76cb9a2d252274adfae6e293a292434631a7d472"},{"url":"https://git.kernel.org/stable/c/f55b383070170e988e4dec28be2af1714d258521"},{"url":"https://git.kernel.org/stable/c/0422e7a4883f25101903f3e8105c0808aa5f4ce9"}],"tags":["cve.org"],"epss":0.00457,"epssPercentile":0.38204,"ingestedAt":"2026-10-16T17:24:46.702Z","slug":"CVE-2026-45988","body":"## Overview\n\nIn the Linux kernel, the following vulnerability has been resolved:\n\nrxrpc: Fix re-decryption of RESPONSE packets\n\nIf a RESPONSE packet gets a temporary failure during processing, it may end\nup in a partially decrypted state - and then get requeued for a retry.\n\nFix this by just discarding the packet; we will send another CHALLENGE\npacket and thereby elicit a further response.  Similarly, discard an\nincoming CHALLENGE packet if we get an error whilst generating a RESPONSE;\nthe server will send another CHALLENGE.\n\n## Affected\n\n- `Linux >= 17926a79320afa9b95df6b977b40cca6d8713cea < d61482be4aae1835b78875761206241835a7510e`\n- `Linux >= 17926a79320afa9b95df6b977b40cca6d8713cea < 7b89868305052b94a91b708c462bc2281fa42a4a`\n- `Linux >= 17926a79320afa9b95df6b977b40cca6d8713cea < 76cb9a2d252274adfae6e293a292434631a7d472`\n- `Linux >= 17926a79320afa9b95df6b977b40cca6d8713cea < f55b383070170e988e4dec28be2af1714d258521`\n- `Linux >= 17926a79320afa9b95df6b977b40cca6d8713cea < 0422e7a4883f25101903f3e8105c0808aa5f4ce9`\n- `Linux 2.6.22`\n\n## Remediation\n\nRefer to the linked advisories for vendor-supplied fixes and affected version ranges.","depth":"midnight","depthScore":54,"depthScoreParts":{"impact":53.9,"likelihood":0.1,"exploitation":0,"ransomware":0},"changes":[]}