{"id":"CVE-2026-74538","revision":"ee7a922a2c1b4f9db707b7c141072132","records":[{"revision":"ee7a922a2c1b4f9db707b7c141072132","observedAt":"2026-10-23T15:48:27.903+00:00","statement":{"source":"cve-program","id":"CVE-2026-74538","aliases":[],"title":"Bluetooth: ISO: lock sk in iso_connect_ind","description":"In the Linux kernel, the following vulnerability has been resolved:\n\nBluetooth: ISO: lock sk in iso_connect_ind\n\nAccessing iso_pi(sk)->conn requires lock_sock, which is not taken in the\n\"ev3\" part of iso_connect_ind.  It may also be NULL if socket has\ntransitioned away from the LISTEN/CONNECT states before locking.\n\nFix by adding lock/release. Recheck hcon is valid after lock acquire\nwhere needed.","state":0,"publishedAt":"2026-08-15T12:27:50.271+00:00","modifiedAt":"2026-10-21T12:45:51.636+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/bluetooth/iso.c\"\n                    ],\n                    \"versions\": [\n                        {\n                            \"version\": \"168d9bf9c7f01df71e6404cfff66d9c2a8e968fb\",\n                            \"lessThan\": \"0e830354c120954ccb9ca15880245912722c4031\",\n                            \"status\": \"affected\",\n                            \"versionType\": \"git\"\n                        },\n                        {\n                            \"version\": \"168d9bf9c7f01df71e6404cfff66d9c2a8e968fb\",\n                            \"lessThan\": \"e8e9cff6d80eeec28dec4cf7cc18662986945391\",\n                            \"status\": \"affected\",\n                            \"versionType\": \"git\"\n                        },\n                        {\n                            \"version\": \"168d9bf9c7f01df71e6404cfff66d9c2a8e968fb\",\n                            \"lessThan\": \"9bee7e476534f27e830658dad962d85da9edf6bf\",\n                            \"status\": \"affected\",\n                            \"versionType\": \"git\"\n                        },\n                        {\n                            \"version\": \"168d9bf9c7f01df71e6404cfff66d9c2a8e968fb\",\n                            \"lessThan\": \"4311fd6f429065a8ba208660360a895627a00cf3\",\n                            \"status\": \"affected\",\n                            \"versionType\": \"git\"\n                        },\n                        {\n                            \"version\": \"489efc9ae36f164423f5fa7ace772a7ab8131cd8\",\n                            \"status\": \"affected\",\n                            \"versionType\": \"git\"\n                        },\n                        {\n                            \"version\": \"6.8.9\",\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                        \"net/bluetooth/iso.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\": \"6.12.114\",\n                            \"lessThanOrEqual\": \"6.12.*\",\n                            \"status\": \"unaffected\",\n                            \"versionType\": \"semver\"\n                        },\n                        {\n                            \"version\": \"6.18.44\",\n                            \"lessThanOrEqual\": \"6.18.*\",\n                            \"status\": \"unaffected\",\n                            \"versionType\": \"semver\"\n                        },\n                        {\n                            \"version\": \"7.1.8\",\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:A/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H","score":8.8,"severity":"HIGH"}],"references":["https://git.kernel.org/stable/c/0e830354c120954ccb9ca15880245912722c4031","https://git.kernel.org/stable/c/e8e9cff6d80eeec28dec4cf7cc18662986945391","https://git.kernel.org/stable/c/9bee7e476534f27e830658dad962d85da9edf6bf","https://git.kernel.org/stable/c/4311fd6f429065a8ba208660360a895627a00cf3"],"sourceUrl":"https://www.cve.org/CVERecord?id=CVE-2026-74538","license":"CVE Program Terms of Use","key":"cve-program:CVE-2026-74538","identifiers":["CVE-2026-74538"]},"retained":false,"historicalAffected":[]}],"coverage":[]}