{"id":"CVE-2026-22984","title":"libceph: prevent potential out-of-bounds reads in handle_auth_done()","summary":"In the Linux kernel, the following vulnerability has been resolved:\n\nlibceph: prevent potential out-of-bounds reads in handle_auth_done()\n\nPerform an explicit bounds check on payload_len to avoid a possible\nout-of-bounds access in the ca…","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 >= cd1a677cad994021b19665ed476aea63f5d54f31 < 194cfe2af4d2a1de599d39dad636b47c2f6c2c96","Linux >= cd1a677cad994021b19665ed476aea63f5d54f31 < 79fe3511db416d2f2edcfd93569807cb02736e5e","Linux >= cd1a677cad994021b19665ed476aea63f5d54f31 < ef208ea331ef688729f64089b895ed1b49e842e3","Linux >= cd1a677cad994021b19665ed476aea63f5d54f31 < 2802ef3380fa8c4a08cda51ec1f085b1a712e9e2","Linux >= cd1a677cad994021b19665ed476aea63f5d54f31 < 2d653bb63d598ae4b096dd678744bdcc34ee89e8","Linux >= cd1a677cad994021b19665ed476aea63f5d54f31 < 818156caffbf55cb4d368f9c3cac64e458fb49c9","Linux 5.11"],"ssvc":{"exploitation":"none","automatable":"yes","technicalImpact":"total","timestamp":"2026-06-16T20:34:59.073775Z"},"published":"2026-01-23","updated":"2026-10-19","sourceUpdated":"2026-10-19T18:25:26.154Z","source":"CVEORG","sourceUrl":"https://www.cve.org/CVERecord?id=CVE-2026-22984","references":[{"url":"https://git.kernel.org/stable/c/194cfe2af4d2a1de599d39dad636b47c2f6c2c96"},{"url":"https://git.kernel.org/stable/c/79fe3511db416d2f2edcfd93569807cb02736e5e"},{"url":"https://git.kernel.org/stable/c/ef208ea331ef688729f64089b895ed1b49e842e3"},{"url":"https://git.kernel.org/stable/c/2802ef3380fa8c4a08cda51ec1f085b1a712e9e2"},{"url":"https://git.kernel.org/stable/c/2d653bb63d598ae4b096dd678744bdcc34ee89e8"},{"url":"https://git.kernel.org/stable/c/818156caffbf55cb4d368f9c3cac64e458fb49c9"}],"tags":["cve.org"],"epss":0.00385,"epssPercentile":0.31056,"ingestedAt":"2026-10-19T18:35:50.121Z","slug":"CVE-2026-22984","body":"## Overview\n\nIn the Linux kernel, the following vulnerability has been resolved:\n\nlibceph: prevent potential out-of-bounds reads in handle_auth_done()\n\nPerform an explicit bounds check on payload_len to avoid a possible\nout-of-bounds access in the callout.\n\n[ idryomov: changelog ]\n\n## Affected\n\n- `Linux >= cd1a677cad994021b19665ed476aea63f5d54f31 < 194cfe2af4d2a1de599d39dad636b47c2f6c2c96`\n- `Linux >= cd1a677cad994021b19665ed476aea63f5d54f31 < 79fe3511db416d2f2edcfd93569807cb02736e5e`\n- `Linux >= cd1a677cad994021b19665ed476aea63f5d54f31 < ef208ea331ef688729f64089b895ed1b49e842e3`\n- `Linux >= cd1a677cad994021b19665ed476aea63f5d54f31 < 2802ef3380fa8c4a08cda51ec1f085b1a712e9e2`\n- `Linux >= cd1a677cad994021b19665ed476aea63f5d54f31 < 2d653bb63d598ae4b096dd678744bdcc34ee89e8`\n- `Linux >= cd1a677cad994021b19665ed476aea63f5d54f31 < 818156caffbf55cb4d368f9c3cac64e458fb49c9`\n- `Linux 5.11`\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":[]}