{"id":"CVE-2026-90225","revision":"d58e1d5fb8e846b8bef8ef3f249b06f8","records":[{"revision":"d58e1d5fb8e846b8bef8ef3f249b06f8","observedAt":"2026-10-23T15:48:27.903+00:00","statement":{"source":"cve-program","id":"CVE-2026-90225","aliases":[],"title":"nfc: llcp: read llcp_sock->local under the socket lock in getsockopt","description":"In the Linux kernel, the following vulnerability has been resolved:\n\nnfc: llcp: read llcp_sock->local under the socket lock in getsockopt\n\nnfc_llcp_getsockopt() read llcp_sock->local before lock_sock(sk) and\nthen dereferenced the cached pointer inside the locked region.\nllcp_sock_bind() assigns and clears llcp_sock->local under the same\nsocket lock, dropping the last reference on its error path. A\ngetsockopt() racing an in-flight bind() can observe the pointer, block\non lock_sock(), and then dereference a freed nfc_llcp_local once bind()\nhas unwound.\n\nMove the llcp_sock->local read and the NULL check inside the\nlock_sock(sk) region so bind() cannot mutate or free the pointer between\nthe load and the use.","state":0,"publishedAt":"2026-09-17T16:07:34.658+00:00","modifiedAt":"2026-10-19T09:00:01.803+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/nfc/llcp_sock.c\"\n                    ],\n                    \"versions\": [\n                        {\n                            \"version\": \"26fd76cab2e61cedc5c25f7151fb31b57ddc53c7\",\n                            \"lessThan\": \"56fd158fef20268f48db6cdfe5d722e930134eda\",\n                            \"status\": \"affected\",\n                            \"versionType\": \"git\"\n                        },\n                        {\n                            \"version\": \"26fd76cab2e61cedc5c25f7151fb31b57ddc53c7\",\n                            \"lessThan\": \"8ba8cec0586727cc135ca4827921fc7b52946d71\",\n                            \"status\": \"affected\",\n                            \"versionType\": \"git\"\n                        },\n                        {\n                            \"version\": \"26fd76cab2e61cedc5c25f7151fb31b57ddc53c7\",\n                            \"lessThan\": \"ed5240bab3468988077fe8bf29b935eaecc9ff89\",\n                            \"status\": \"affected\",\n                            \"versionType\": \"git\"\n                        },\n                        {\n                            \"version\": \"26fd76cab2e61cedc5c25f7151fb31b57ddc53c7\",\n                            \"lessThan\": \"fe65727a4a21b11c18eebae1338482767a897b76\",\n                            \"status\": \"affected\",\n                            \"versionType\": \"git\"\n                        },\n                        {\n                            \"version\": \"26fd76cab2e61cedc5c25f7151fb31b57ddc53c7\",\n                            \"lessThan\": \"2d8ac24565be85bf56580b87bf1b874d35625eb5\",\n                            \"status\": \"affected\",\n                            \"versionType\": \"git\"\n                        },\n                        {\n                            \"version\": \"26fd76cab2e61cedc5c25f7151fb31b57ddc53c7\",\n                            \"lessThan\": \"156e65bd29307f5053835bff60bc1ba342fa010f\",\n                            \"status\": \"affected\",\n                            \"versionType\": \"git\"\n                        },\n                        {\n                            \"version\": \"26fd76cab2e61cedc5c25f7151fb31b57ddc53c7\",\n                            \"lessThan\": \"d1b73962675cdc5a58e2707e25b548d8b495fde0\",\n                            \"status\": \"affected\",\n                            \"versionType\": \"git\"\n                        },\n                        {\n                            \"version\": \"26fd76cab2e61cedc5c25f7151fb31b57ddc53c7\",\n                            \"lessThan\": \"36812527052c5bfb1ec6c1e292d67a5bf76b750f\",\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/nfc/llcp_sock.c\"\n                    ],\n                    \"versions\": [\n                        {\n                            \"version\": \"3.10\",\n                            \"status\": \"affected\"\n                        },\n                        {\n                            \"version\": \"0\",\n                            \"lessThan\": \"3.10\",\n                            \"status\": \"unaffected\",\n                            \"versionType\": \"semver\"\n                        },\n                        {\n                            \"version\": \"5.10.270\",\n                            \"lessThanOrEqual\": \"5.10.*\",\n                            \"status\": \"unaffected\",\n                            \"versionType\": \"semver\"\n                        },\n                        {\n                            \"version\": \"5.15.221\",\n                            \"lessThanOrEqual\": \"5.15.*\",\n                            \"status\": \"unaffected\",\n                            \"versionType\": \"semver\"\n                        },\n                        {\n                            \"version\": \"6.1.188\",\n                            \"lessThanOrEqual\": \"6.1.*\",\n                            \"status\": \"unaffected\",\n                            \"versionType\": \"semver\"\n                        },\n                        {\n                            \"version\": \"6.6.157\",\n                            \"lessThanOrEqual\": \"6.6.*\",\n                            \"status\": \"unaffected\",\n                            \"versionType\": \"semver\"\n                        },\n                        {\n                            \"version\": \"6.12.110\",\n                            \"lessThanOrEqual\": \"6.12.*\",\n                            \"status\": \"unaffected\",\n                            \"versionType\": \"semver\"\n                        },\n                        {\n                            \"version\": \"6.18.52\",\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:H/A:H","score":7.8,"severity":"HIGH"}],"references":["https://git.kernel.org/stable/c/56fd158fef20268f48db6cdfe5d722e930134eda","https://git.kernel.org/stable/c/8ba8cec0586727cc135ca4827921fc7b52946d71","https://git.kernel.org/stable/c/ed5240bab3468988077fe8bf29b935eaecc9ff89","https://git.kernel.org/stable/c/fe65727a4a21b11c18eebae1338482767a897b76","https://git.kernel.org/stable/c/2d8ac24565be85bf56580b87bf1b874d35625eb5","https://git.kernel.org/stable/c/156e65bd29307f5053835bff60bc1ba342fa010f","https://git.kernel.org/stable/c/d1b73962675cdc5a58e2707e25b548d8b495fde0","https://git.kernel.org/stable/c/36812527052c5bfb1ec6c1e292d67a5bf76b750f"],"sourceUrl":"https://www.cve.org/CVERecord?id=CVE-2026-90225","license":"CVE Program Terms of Use","key":"cve-program:CVE-2026-90225","identifiers":["CVE-2026-90225"]},"retained":false,"historicalAffected":[]}],"coverage":[]}