{"id":"CVE-2026-93801","revision":"ed5c2ec6683e4ea88fcc32bd660ac680","records":[{"revision":"ed5c2ec6683e4ea88fcc32bd660ac680","observedAt":"2026-10-23T15:48:27.903+00:00","statement":{"source":"cve-program","id":"CVE-2026-93801","aliases":[],"title":"smb/client: zero-initialize stack-allocated cifs_open_info_data","description":"In the Linux kernel, the following vulnerability has been resolved:\n\nsmb/client: zero-initialize stack-allocated cifs_open_info_data\n\nStack-allocated cifs_open_info_data may contain random data.\nThis can make some fields have wrong value if they are not set later.","state":0,"publishedAt":"2026-09-24T16:02:35.496+00:00","modifiedAt":"2026-10-21T12:52:38.635+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/client/link.c\",\n                        \"fs/smb/client/smb1ops.c\",\n                        \"fs/smb/client/smb2ops.c\"\n                    ],\n                    \"versions\": [\n                        {\n                            \"version\": \"436cfdbc57d98808fce427d9a8d97691374989b3\",\n                            \"lessThan\": \"2c5db82778f560121efda9e052e2f19c2d807c1b\",\n                            \"status\": \"affected\",\n                            \"versionType\": \"git\"\n                        },\n                        {\n                            \"version\": \"fc2f2011d3d84b56f536b4a25a4bb2fa1b13d520\",\n                            \"lessThan\": \"74ff47e6c4213fcfeba2de448d9cbda200507d22\",\n                            \"status\": \"affected\",\n                            \"versionType\": \"git\"\n                        },\n                        {\n                            \"version\": \"057ac50638bcece64b3b436d3a61b70ed6c01a34\",\n                            \"lessThan\": \"22532dd88694ed20bdd47523ffa709f166ce776b\",\n                            \"status\": \"affected\",\n                            \"versionType\": \"git\"\n                        },\n                        {\n                            \"version\": \"057ac50638bcece64b3b436d3a61b70ed6c01a34\",\n                            \"lessThan\": \"8fce4cf4369c766a3293a05419500cbfde72e60d\",\n                            \"status\": \"affected\",\n                            \"versionType\": \"git\"\n                        },\n                        {\n                            \"version\": \"83d3bc866530a36a465b47cce4d2a9def2411960\",\n                            \"status\": \"affected\",\n                            \"versionType\": \"git\"\n                        },\n                        {\n                            \"version\": \"6.6.113\",\n                            \"lessThan\": \"6.6.160\",\n                            \"status\": \"affected\",\n                            \"versionType\": \"semver\"\n                        },\n                        {\n                            \"version\": \"6.12.54\",\n                            \"lessThan\": \"6.12.111\",\n                            \"status\": \"affected\",\n                            \"versionType\": \"semver\"\n                        },\n                        {\n                            \"version\": \"6.17.4\",\n                            \"lessThan\": \"6.18\",\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/client/link.c\",\n                        \"fs/smb/client/smb1ops.c\",\n                        \"fs/smb/client/smb2ops.c\"\n                    ],\n                    \"versions\": [\n                        {\n                            \"version\": \"6.18\",\n                            \"status\": \"affected\"\n                        },\n                        {\n                            \"version\": \"0\",\n                            \"lessThan\": \"6.18\",\n                            \"status\": \"unaffected\",\n                            \"versionType\": \"semver\"\n                        },\n                        {\n                            \"version\": \"6.6.160\",\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\",\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:H/PR:L/UI:N/S:U/C:H/I:H/A:H","score":7,"severity":"HIGH"}],"references":["https://git.kernel.org/stable/c/2c5db82778f560121efda9e052e2f19c2d807c1b","https://git.kernel.org/stable/c/74ff47e6c4213fcfeba2de448d9cbda200507d22","https://git.kernel.org/stable/c/22532dd88694ed20bdd47523ffa709f166ce776b","https://git.kernel.org/stable/c/8fce4cf4369c766a3293a05419500cbfde72e60d"],"sourceUrl":"https://www.cve.org/CVERecord?id=CVE-2026-93801","license":"CVE Program Terms of Use","key":"cve-program:CVE-2026-93801","identifiers":["CVE-2026-93801"]},"retained":false,"historicalAffected":[]}],"coverage":[]}