{"id":"CVE-2026-31673","revision":"e8fb960ec81e4d8bafcfff6ef90f8a43","records":[{"revision":"e8fb960ec81e4d8bafcfff6ef90f8a43","observedAt":"2026-10-23T15:48:27.903+00:00","statement":{"source":"cve-program","id":"CVE-2026-31673","aliases":[],"title":"af_unix: read UNIX_DIAG_VFS data under unix_state_lock","description":"In the Linux kernel, the following vulnerability has been resolved:\n\naf_unix: read UNIX_DIAG_VFS data under unix_state_lock\n\nExact UNIX diag lookups hold a reference to the socket, but not to\nu->path. Meanwhile, unix_release_sock() clears u->path under\nunix_state_lock() and drops the path reference after unlocking.\n\nRead the inode and device numbers for UNIX_DIAG_VFS while holding\nunix_state_lock(), then emit the netlink attribute after dropping the\nlock.\n\nThis keeps the VFS data stable while the reply is being built.","state":0,"publishedAt":"2026-04-25T08:46:49.246+00:00","modifiedAt":"2026-10-19T18:56:03.514+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/unix/diag.c\"\n                    ],\n                    \"versions\": [\n                        {\n                            \"version\": \"5f7b0569460b7d8d01ca776430a00505a68b7584\",\n                            \"lessThan\": \"e7339db13b9ddb63417b12da55fd6191e59f7442\",\n                            \"status\": \"affected\",\n                            \"versionType\": \"git\"\n                        },\n                        {\n                            \"version\": \"5f7b0569460b7d8d01ca776430a00505a68b7584\",\n                            \"lessThan\": \"4f6a8f10182c3a9d22e8eb183957ae7ade9e4bf7\",\n                            \"status\": \"affected\",\n                            \"versionType\": \"git\"\n                        },\n                        {\n                            \"version\": \"5f7b0569460b7d8d01ca776430a00505a68b7584\",\n                            \"lessThan\": \"c3ec44ab4526bbc4b6c9fc845af86488244f4c9b\",\n                            \"status\": \"affected\",\n                            \"versionType\": \"git\"\n                        },\n                        {\n                            \"version\": \"5f7b0569460b7d8d01ca776430a00505a68b7584\",\n                            \"lessThan\": \"b9232421a77a649c9376c99fdfc8cb7f79cad34c\",\n                            \"status\": \"affected\",\n                            \"versionType\": \"git\"\n                        },\n                        {\n                            \"version\": \"5f7b0569460b7d8d01ca776430a00505a68b7584\",\n                            \"lessThan\": \"0c739f3785f84af695952c2bac8be2f45082c9b8\",\n                            \"status\": \"affected\",\n                            \"versionType\": \"git\"\n                        },\n                        {\n                            \"version\": \"5f7b0569460b7d8d01ca776430a00505a68b7584\",\n                            \"lessThan\": \"900a4e0910e98b8caef117d5df00471fa438dcf9\",\n                            \"status\": \"affected\",\n                            \"versionType\": \"git\"\n                        },\n                        {\n                            \"version\": \"5f7b0569460b7d8d01ca776430a00505a68b7584\",\n                            \"lessThan\": \"bdf206e740bf2919d818f132c8c9cc7ed91d11c0\",\n                            \"status\": \"affected\",\n                            \"versionType\": \"git\"\n                        },\n                        {\n                            \"version\": \"5f7b0569460b7d8d01ca776430a00505a68b7584\",\n                            \"lessThan\": \"39897df386376912d561d4946499379effa1e7ef\",\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/unix/diag.c\"\n                    ],\n                    \"versions\": [\n                        {\n                            \"version\": \"3.3\",\n                            \"status\": \"affected\"\n                        },\n                        {\n                            \"version\": \"0\",\n                            \"lessThan\": \"3.3\",\n                            \"status\": \"unaffected\",\n                            \"versionType\": \"semver\"\n                        },\n                        {\n                            \"version\": \"5.10.258\",\n                            \"lessThanOrEqual\": \"5.10.*\",\n                            \"status\": \"unaffected\",\n                            \"versionType\": \"semver\"\n                        },\n                        {\n                            \"version\": \"5.15.209\",\n                            \"lessThanOrEqual\": \"5.15.*\",\n                            \"status\": \"unaffected\",\n                            \"versionType\": \"semver\"\n                        },\n                        {\n                            \"version\": \"6.1.175\",\n                            \"lessThanOrEqual\": \"6.1.*\",\n                            \"status\": \"unaffected\",\n                            \"versionType\": \"semver\"\n                        },\n                        {\n                            \"version\": \"6.6.136\",\n                            \"lessThanOrEqual\": \"6.6.*\",\n                            \"status\": \"unaffected\",\n                            \"versionType\": \"semver\"\n                        },\n                        {\n                            \"version\": \"6.12.83\",\n                            \"lessThanOrEqual\": \"6.12.*\",\n                            \"status\": \"unaffected\",\n                            \"versionType\": \"semver\"\n                        },\n                        {\n                            \"version\": \"6.18.24\",\n                            \"lessThanOrEqual\": \"6.18.*\",\n                            \"status\": \"unaffected\",\n                            \"versionType\": \"semver\"\n                        },\n                        {\n                            \"version\": \"6.19.14\",\n                            \"lessThanOrEqual\": \"6.19.*\",\n                            \"status\": \"unaffected\",\n                            \"versionType\": \"semver\"\n                        },\n                        {\n                            \"version\": \"7.0\",\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:H/A:H","score":7.8,"severity":"HIGH"}],"references":["https://git.kernel.org/stable/c/e7339db13b9ddb63417b12da55fd6191e59f7442","https://git.kernel.org/stable/c/4f6a8f10182c3a9d22e8eb183957ae7ade9e4bf7","https://git.kernel.org/stable/c/c3ec44ab4526bbc4b6c9fc845af86488244f4c9b","https://git.kernel.org/stable/c/b9232421a77a649c9376c99fdfc8cb7f79cad34c","https://git.kernel.org/stable/c/0c739f3785f84af695952c2bac8be2f45082c9b8","https://git.kernel.org/stable/c/900a4e0910e98b8caef117d5df00471fa438dcf9","https://git.kernel.org/stable/c/bdf206e740bf2919d818f132c8c9cc7ed91d11c0","https://git.kernel.org/stable/c/39897df386376912d561d4946499379effa1e7ef"],"sourceUrl":"https://www.cve.org/CVERecord?id=CVE-2026-31673","license":"CVE Program Terms of Use","key":"cve-program:CVE-2026-31673","identifiers":["CVE-2026-31673"]},"retained":false,"historicalAffected":[]}],"coverage":[]}