{"id":"CVE-2026-68433","revision":"d6d2227dcb894cf6b186acccb070da5c","records":[{"revision":"d6d2227dcb894cf6b186acccb070da5c","observedAt":"2026-10-23T15:48:27.903+00:00","statement":{"source":"cve-program","id":"CVE-2026-68433","aliases":[],"title":"libceph: bound get_version reply decode to front len","description":"In the Linux kernel, the following vulnerability has been resolved:\n\nlibceph: bound get_version reply decode to front len\n\nhandle_get_version_reply() uses msg->front_alloc_len as the decode\nboundary for MON_GET_VERSION_REPLY.  That is the size of the reused\nreply buffer, not the number of bytes actually received.\n\nA truncated reply can therefore pass ceph_decode_need() and decode the\nsecond u64 from stale tail bytes left in the buffer by an earlier\nmessage, causing an uninitialized memory read.\n\nUse msg->front.iov_len as the receive-side decode boundary, matching\nother libceph reply handlers and limiting decoding to the bytes that\nwere actually read from the wire.","state":0,"publishedAt":"2026-08-12T00:07:20.455+00:00","modifiedAt":"2026-10-19T21:09:10.325+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/mon_client.c\"\n                    ],\n                    \"versions\": [\n                        {\n                            \"version\": \"513a8243d67f8e8d27f2883bd2f18bc87c7ca376\",\n                            \"lessThan\": \"1307028f082756bf453e1889aee9983d30643a4b\",\n                            \"status\": \"affected\",\n                            \"versionType\": \"git\"\n                        },\n                        {\n                            \"version\": \"513a8243d67f8e8d27f2883bd2f18bc87c7ca376\",\n                            \"lessThan\": \"f6cbf6878f3a1503c872ba8f1e69a58ee68d8b2e\",\n                            \"status\": \"affected\",\n                            \"versionType\": \"git\"\n                        },\n                        {\n                            \"version\": \"513a8243d67f8e8d27f2883bd2f18bc87c7ca376\",\n                            \"lessThan\": \"72a35070fcefa229b1b031aa7482ad3788e18f07\",\n                            \"status\": \"affected\",\n                            \"versionType\": \"git\"\n                        },\n                        {\n                            \"version\": \"513a8243d67f8e8d27f2883bd2f18bc87c7ca376\",\n                            \"lessThan\": \"340e0386aa39da181015bee38f309018c335ce16\",\n                            \"status\": \"affected\",\n                            \"versionType\": \"git\"\n                        },\n                        {\n                            \"version\": \"513a8243d67f8e8d27f2883bd2f18bc87c7ca376\",\n                            \"lessThan\": \"d60de8253c85a02d0e6194b0735e7a562981a04c\",\n                            \"status\": \"affected\",\n                            \"versionType\": \"git\"\n                        },\n                        {\n                            \"version\": \"513a8243d67f8e8d27f2883bd2f18bc87c7ca376\",\n                            \"lessThan\": \"4e7ebfaa0d14cf50e44041bfde38070d6dbc019f\",\n                            \"status\": \"affected\",\n                            \"versionType\": \"git\"\n                        },\n                        {\n                            \"version\": \"513a8243d67f8e8d27f2883bd2f18bc87c7ca376\",\n                            \"lessThan\": \"0d934c934ec746d53fc7e4f53239792647bbae63\",\n                            \"status\": \"affected\",\n                            \"versionType\": \"git\"\n                        },\n                        {\n                            \"version\": \"513a8243d67f8e8d27f2883bd2f18bc87c7ca376\",\n                            \"lessThan\": \"d3c32939fa0e3ee9b883b9a0fd1972c5c444e3d0\",\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/mon_client.c\"\n                    ],\n                    \"versions\": [\n                        {\n                            \"version\": \"3.16\",\n                            \"status\": \"affected\"\n                        },\n                        {\n                            \"version\": \"0\",\n                            \"lessThan\": \"3.16\",\n                            \"status\": \"unaffected\",\n                            \"versionType\": \"semver\"\n                        },\n                        {\n                            \"version\": \"5.10.265\",\n                            \"lessThanOrEqual\": \"5.10.*\",\n                            \"status\": \"unaffected\",\n                            \"versionType\": \"semver\"\n                        },\n                        {\n                            \"version\": \"5.15.216\",\n                            \"lessThanOrEqual\": \"5.15.*\",\n                            \"status\": \"unaffected\",\n                            \"versionType\": \"semver\"\n                        },\n                        {\n                            \"version\": \"6.1.183\",\n                            \"lessThanOrEqual\": \"6.1.*\",\n                            \"status\": \"unaffected\",\n                            \"versionType\": \"semver\"\n                        },\n                        {\n                            \"version\": \"6.6.148\",\n                            \"lessThanOrEqual\": \"6.6.*\",\n                            \"status\": \"unaffected\",\n                            \"versionType\": \"semver\"\n                        },\n                        {\n                            \"version\": \"6.12.101\",\n                            \"lessThanOrEqual\": \"6.12.*\",\n                            \"status\": \"unaffected\",\n                            \"versionType\": \"semver\"\n                        },\n                        {\n                            \"version\": \"6.18.42\",\n                            \"lessThanOrEqual\": \"6.18.*\",\n                            \"status\": \"unaffected\",\n                            \"versionType\": \"semver\"\n                        },\n                        {\n                            \"version\": \"7.1.6\",\n                            \"lessThanOrEqual\": \"7.1.*\",\n                            \"status\": \"unaffected\",\n                            \"versionType\": \"semver\"\n                        },\n                        {\n                            \"version\": \"7.2\",\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:L/I:L/A:H","score":8.6,"severity":"HIGH"}],"references":["https://git.kernel.org/stable/c/1307028f082756bf453e1889aee9983d30643a4b","https://git.kernel.org/stable/c/f6cbf6878f3a1503c872ba8f1e69a58ee68d8b2e","https://git.kernel.org/stable/c/72a35070fcefa229b1b031aa7482ad3788e18f07","https://git.kernel.org/stable/c/340e0386aa39da181015bee38f309018c335ce16","https://git.kernel.org/stable/c/d60de8253c85a02d0e6194b0735e7a562981a04c","https://git.kernel.org/stable/c/4e7ebfaa0d14cf50e44041bfde38070d6dbc019f","https://git.kernel.org/stable/c/0d934c934ec746d53fc7e4f53239792647bbae63","https://git.kernel.org/stable/c/d3c32939fa0e3ee9b883b9a0fd1972c5c444e3d0"],"sourceUrl":"https://www.cve.org/CVERecord?id=CVE-2026-68433","license":"CVE Program Terms of Use","key":"cve-program:CVE-2026-68433","identifiers":["CVE-2026-68433"]},"retained":false,"historicalAffected":[]}],"coverage":[]}