{"id":"CVE-2026-89792","revision":"cbc435153fc041efb3ebd407cb3760fe","records":[{"revision":"cbc435153fc041efb3ebd407cb3760fe","observedAt":"2026-10-23T15:48:27.903+00:00","statement":{"source":"cve-program","id":"CVE-2026-89792","aliases":[],"title":"ksmbd: prevent out-of-bounds reads in share config responses","description":"In the Linux kernel, the following vulnerability has been resolved:\n\nksmbd: prevent out-of-bounds reads in share config responses\n\nValidate IPC share configuration payload sizes before consuming\nvariable-length fields. Bound veto list parsing and account for\nthe separator byte when deriving the path length.","state":0,"publishedAt":"2026-09-16T08:50:06.516+00:00","modifiedAt":"2026-10-19T08:52:47.159+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                        \"fs/smb/server/mgmt/share_config.c\",\n                        \"fs/smb/server/transport_ipc.c\"\n                    ],\n                    \"versions\": [\n                        {\n                            \"version\": \"88b7f1143b15b29cccb8392b4f38e75b7bb3e300\",\n                            \"lessThan\": \"df8aa4a09733c4d3974b1db32c1782b3aad3a151\",\n                            \"status\": \"affected\",\n                            \"versionType\": \"git\"\n                        },\n                        {\n                            \"version\": \"51a6c2af9d20203ddeeaf73314ba8854b38d01bd\",\n                            \"lessThan\": \"0127f1c119bde40578f4d25f5d17333b4e75de8c\",\n                            \"status\": \"affected\",\n                            \"versionType\": \"git\"\n                        },\n                        {\n                            \"version\": \"a637fabac554270a851033f5ab402ecb90bc479c\",\n                            \"lessThan\": \"fd636a87161def6e35876ab7943641ce457974c8\",\n                            \"status\": \"affected\",\n                            \"versionType\": \"git\"\n                        },\n                        {\n                            \"version\": \"a677ebd8ca2f2632ccdecbad7b87641274e15aac\",\n                            \"lessThan\": \"ffa507f5f774cb4d45136b106989ebc051361263\",\n                            \"status\": \"affected\",\n                            \"versionType\": \"git\"\n                        },\n                        {\n                            \"version\": \"a677ebd8ca2f2632ccdecbad7b87641274e15aac\",\n                            \"lessThan\": \"cd2bcee450bc94770be56c0b896c1a1dc6838bd8\",\n                            \"status\": \"affected\",\n                            \"versionType\": \"git\"\n                        },\n                        {\n                            \"version\": \"a677ebd8ca2f2632ccdecbad7b87641274e15aac\",\n                            \"lessThan\": \"61a8d06600c8c397f9a7e01940479d4c94a82f5f\",\n                            \"status\": \"affected\",\n                            \"versionType\": \"git\"\n                        },\n                        {\n                            \"version\": \"a677ebd8ca2f2632ccdecbad7b87641274e15aac\",\n                            \"lessThan\": \"f25e93768fcc5d8287e50b1ec52a42e4c276df34\",\n                            \"status\": \"affected\",\n                            \"versionType\": \"git\"\n                        },\n                        {\n                            \"version\": \"76af689a45aa44714b46d1a7de4ffdf851ded896\",\n                            \"status\": \"affected\",\n                            \"versionType\": \"git\"\n                        },\n                        {\n                            \"version\": \"5.15.157\",\n                            \"lessThan\": \"5.15.222\",\n                            \"status\": \"affected\",\n                            \"versionType\": \"semver\"\n                        },\n                        {\n                            \"version\": \"6.1.85\",\n                            \"lessThan\": \"6.1.189\",\n                            \"status\": \"affected\",\n                            \"versionType\": \"semver\"\n                        },\n                        {\n                            \"version\": \"6.6.26\",\n                            \"lessThan\": \"6.6.158\",\n                            \"status\": \"affected\",\n                            \"versionType\": \"semver\"\n                        },\n                        {\n                            \"version\": \"6.8.5\",\n                            \"lessThan\": \"6.9\",\n                            \"status\": \"affected\",\n                            \"versionType\": \"semver\"\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                        \"fs/smb/server/mgmt/share_config.c\",\n                        \"fs/smb/server/transport_ipc.c\"\n                    ],\n                    \"versions\": [\n                        {\n                            \"version\": \"6.9\",\n                            \"status\": \"affected\"\n                        },\n                        {\n                            \"version\": \"0\",\n                            \"lessThan\": \"6.9\",\n                            \"status\": \"unaffected\",\n                            \"versionType\": \"semver\"\n                        },\n                        {\n                            \"version\": \"5.15.222\",\n                            \"lessThanOrEqual\": \"5.15.*\",\n                            \"status\": \"unaffected\",\n                            \"versionType\": \"semver\"\n                        },\n                        {\n                            \"version\": \"6.1.189\",\n                            \"lessThanOrEqual\": \"6.1.*\",\n                            \"status\": \"unaffected\",\n                            \"versionType\": \"semver\"\n                        },\n                        {\n                            \"version\": \"6.6.158\",\n                            \"lessThanOrEqual\": \"6.6.*\",\n                            \"status\": \"unaffected\",\n                            \"versionType\": \"semver\"\n                        },\n                        {\n                            \"version\": \"6.12.111\",\n                            \"lessThanOrEqual\": \"6.12.*\",\n                            \"status\": \"unaffected\",\n                            \"versionType\": \"semver\"\n                        },\n                        {\n                            \"version\": \"6.18.53\",\n                            \"lessThanOrEqual\": \"6.18.*\",\n                            \"status\": \"unaffected\",\n                            \"versionType\": \"semver\"\n                        },\n                        {\n                            \"version\": \"7.2.6\",\n                            \"lessThanOrEqual\": \"7.2.*\",\n                            \"status\": \"unaffected\",\n                            \"versionType\": \"semver\"\n                        },\n                        {\n                            \"version\": \"7.3\",\n                            \"lessThanOrEqual\": \"*\",\n                            \"status\": \"unaffected\",\n                            \"versionType\": \"original_commit_for_fix\"\n                        }\n                    ]\n                }"}],"metrics":[{"system":"CVSS 3.1","vector":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:H","score":7.1,"severity":"HIGH"}],"references":["https://git.kernel.org/stable/c/df8aa4a09733c4d3974b1db32c1782b3aad3a151","https://git.kernel.org/stable/c/0127f1c119bde40578f4d25f5d17333b4e75de8c","https://git.kernel.org/stable/c/fd636a87161def6e35876ab7943641ce457974c8","https://git.kernel.org/stable/c/ffa507f5f774cb4d45136b106989ebc051361263","https://git.kernel.org/stable/c/cd2bcee450bc94770be56c0b896c1a1dc6838bd8","https://git.kernel.org/stable/c/61a8d06600c8c397f9a7e01940479d4c94a82f5f","https://git.kernel.org/stable/c/f25e93768fcc5d8287e50b1ec52a42e4c276df34"],"sourceUrl":"https://www.cve.org/CVERecord?id=CVE-2026-89792","license":"CVE Program Terms of Use","key":"cve-program:CVE-2026-89792","identifiers":["CVE-2026-89792"]},"retained":false,"historicalAffected":[]}],"coverage":[]}