{"id":"CVE-2026-22984","revision":null,"records":[{"revision":"4c4879b823e54791b2b99e3f45cf4cb3","observedAt":"2026-10-23T15:48:27.903+00:00","statement":{"source":"cve-program","id":"CVE-2026-22984","aliases":[],"title":"libceph: prevent potential out-of-bounds reads in handle_auth_done()","description":"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 callout.\n\n[ idryomov: changelog ]","state":0,"publishedAt":"2026-01-23T15:24:06.245+00:00","modifiedAt":"2026-10-19T18:25:26.154+00:00","affected":[{"ecosystem":"Vendor product","name":"Linux","ranges":[],"versions":[],"rawVersionEvidence":"{\n                    \"product\": \"Linux\",\n                    \"vendor\": \"Linux\",\n                    \"defaultStatus\": \"unaffected\",\n                    \"repo\": \"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git\",\n                    \"programFiles\": [\n                        \"net/ceph/messenger_v2.c\"\n                    ],\n                    \"versions\": [\n                        {\n                            \"version\": \"cd1a677cad994021b19665ed476aea63f5d54f31\",\n                            \"lessThan\": \"194cfe2af4d2a1de599d39dad636b47c2f6c2c96\",\n                            \"status\": \"affected\",\n                            \"versionType\": \"git\"\n                        },\n                        {\n                            \"version\": \"cd1a677cad994021b19665ed476aea63f5d54f31\",\n                            \"lessThan\": \"79fe3511db416d2f2edcfd93569807cb02736e5e\",\n                            \"status\": \"affected\",\n                            \"versionType\": \"git\"\n                        },\n                        {\n                            \"version\": \"cd1a677cad994021b19665ed476aea63f5d54f31\",\n                            \"lessThan\": \"ef208ea331ef688729f64089b895ed1b49e842e3\",\n                            \"status\": \"affected\",\n                            \"versionType\": \"git\"\n                        },\n                        {\n                            \"version\": \"cd1a677cad994021b19665ed476aea63f5d54f31\",\n                            \"lessThan\": \"2802ef3380fa8c4a08cda51ec1f085b1a712e9e2\",\n                            \"status\": \"affected\",\n                            \"versionType\": \"git\"\n                        },\n                        {\n                            \"version\": \"cd1a677cad994021b19665ed476aea63f5d54f31\",\n                            \"lessThan\": \"2d653bb63d598ae4b096dd678744bdcc34ee89e8\",\n                            \"status\": \"affected\",\n                            \"versionType\": \"git\"\n                        },\n                        {\n                            \"version\": \"cd1a677cad994021b19665ed476aea63f5d54f31\",\n                            \"lessThan\": \"818156caffbf55cb4d368f9c3cac64e458fb49c9\",\n                            \"status\": \"affected\",\n                            \"versionType\": \"git\"\n                        }\n                    ]\n                }"},{"ecosystem":"Vendor product","name":"Linux","ranges":[],"versions":[],"rawVersionEvidence":"{\n                    \"product\": \"Linux\",\n                    \"vendor\": \"Linux\",\n                    \"defaultStatus\": \"affected\",\n                    \"repo\": \"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git\",\n                    \"programFiles\": [\n                        \"net/ceph/messenger_v2.c\"\n                    ],\n                    \"versions\": [\n                        {\n                            \"version\": \"5.11\",\n                            \"status\": \"affected\"\n                        },\n                        {\n                            \"version\": \"0\",\n                            \"lessThan\": \"5.11\",\n                            \"status\": \"unaffected\",\n                            \"versionType\": \"semver\"\n                        },\n                        {\n                            \"version\": \"5.15.198\",\n                            \"lessThanOrEqual\": \"5.15.*\",\n                            \"status\": \"unaffected\",\n                            \"versionType\": \"semver\"\n                        },\n                        {\n                            \"version\": \"6.1.161\",\n                            \"lessThanOrEqual\": \"6.1.*\",\n                            \"status\": \"unaffected\",\n                            \"versionType\": \"semver\"\n                        },\n                        {\n                            \"version\": \"6.6.121\",\n                            \"lessThanOrEqual\": \"6.6.*\",\n                            \"status\": \"unaffected\",\n                            \"versionType\": \"semver\"\n                        },\n                        {\n                            \"version\": \"6.12.66\",\n                            \"lessThanOrEqual\": \"6.12.*\",\n                            \"status\": \"unaffected\",\n                            \"versionType\": \"semver\"\n                        },\n                        {\n                            \"version\": \"6.18.6\",\n                            \"lessThanOrEqual\": \"6.18.*\",\n                            \"status\": \"unaffected\",\n                            \"versionType\": \"semver\"\n                        },\n                        {\n                            \"version\": \"6.19\",\n                            \"lessThanOrEqual\": \"*\",\n                            \"status\": \"unaffected\",\n                            \"versionType\": \"original_commit_for_fix\"\n                        }\n                    ]\n                }"}],"metrics":[{"system":"CVSS 3.1","vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H","score":9.8,"severity":"CRITICAL"}],"references":["https://git.kernel.org/stable/c/194cfe2af4d2a1de599d39dad636b47c2f6c2c96","https://git.kernel.org/stable/c/79fe3511db416d2f2edcfd93569807cb02736e5e","https://git.kernel.org/stable/c/ef208ea331ef688729f64089b895ed1b49e842e3","https://git.kernel.org/stable/c/2802ef3380fa8c4a08cda51ec1f085b1a712e9e2","https://git.kernel.org/stable/c/2d653bb63d598ae4b096dd678744bdcc34ee89e8","https://git.kernel.org/stable/c/818156caffbf55cb4d368f9c3cac64e458fb49c9"],"sourceUrl":"https://www.cve.org/CVERecord?id=CVE-2026-22984","license":"CVE Program Terms of Use","key":"cve-program:CVE-2026-22984","identifiers":["CVE-2026-22984"]},"retained":false,"historicalAffected":[]}],"coverage":[{"source":"cisa-kev:global","scope":"Complete CISA KEV catalog; all vendors. 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