{"id":"CVE-2026-80677","revision":"475c0c9476d74a38897d22e8afa4c21a","records":[{"revision":"475c0c9476d74a38897d22e8afa4c21a","observedAt":"2026-10-23T15:48:27.903+00:00","statement":{"source":"cve-program","id":"CVE-2026-80677","aliases":[],"title":"driver core: use READ_ONCE() for dev->driver in dev_has_sync_state()","description":"In the Linux kernel, the following vulnerability has been resolved:\n\ndriver core: use READ_ONCE() for dev->driver in dev_has_sync_state()\n\ndev_has_sync_state() reads dev->driver twice without holding\ndevice_lock() -- once for the NULL check and once to dereference\n->sync_state. Some callers only hold device_links_write_lock, which\ndoesn't prevent a concurrent unbind from clearing dev->driver via\ndevice_unbind_cleanup().\n\nFix it by reading dev->driver exactly once with READ_ONCE(), pairing\nwith the WRITE_ONCE() in device_set_driver().","state":0,"publishedAt":"2026-08-28T06:49:15.507+00:00","modifiedAt":"2026-10-16T19:26:32.494+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                        \"include/linux/device.h\"\n                    ],\n                    \"versions\": [\n                        {\n                            \"version\": \"ac338acf514e7b578fa9e3742ec2c292323b4c1a\",\n                            \"lessThan\": \"89789e4c141904506163dcb91c7289a074573931\",\n                            \"status\": \"affected\",\n                            \"versionType\": \"git\"\n                        },\n                        {\n                            \"version\": \"ac338acf514e7b578fa9e3742ec2c292323b4c1a\",\n                            \"lessThan\": \"51b3e1de53ee5b7775c7ff90e67fdb2665fce938\",\n                            \"status\": \"affected\",\n                            \"versionType\": \"git\"\n                        },\n                        {\n                            \"version\": \"ac338acf514e7b578fa9e3742ec2c292323b4c1a\",\n                            \"lessThan\": \"358697929351f619143f59c6a8a15a4994748b79\",\n                            \"status\": \"affected\",\n                            \"versionType\": \"git\"\n                        },\n                        {\n                            \"version\": \"ac338acf514e7b578fa9e3742ec2c292323b4c1a\",\n                            \"lessThan\": \"5e79e0180515b31b2e2244dc3d256fd8b5a07021\",\n                            \"status\": \"affected\",\n                            \"versionType\": \"git\"\n                        },\n                        {\n                            \"version\": \"ac338acf514e7b578fa9e3742ec2c292323b4c1a\",\n                            \"lessThan\": \"860885fcd2611bca8c28dac8b2c1c7ff160f763e\",\n                            \"status\": \"affected\",\n                            \"versionType\": \"git\"\n                        },\n                        {\n                            \"version\": \"ac338acf514e7b578fa9e3742ec2c292323b4c1a\",\n                            \"lessThan\": \"cc77f0d91e3214e4292208f02a1dc09a31f9aac7\",\n                            \"status\": \"affected\",\n                            \"versionType\": \"git\"\n                        },\n                        {\n                            \"version\": \"ac338acf514e7b578fa9e3742ec2c292323b4c1a\",\n                            \"lessThan\": \"9b0f4082a09760939588135d60a8e9cc994bfa3e\",\n                            \"status\": \"affected\",\n                            \"versionType\": \"git\"\n                        },\n                        {\n                            \"version\": \"ac338acf514e7b578fa9e3742ec2c292323b4c1a\",\n                            \"lessThan\": \"e9506871a8ea304cde48ff4a57226df2aadddae3\",\n                            \"status\": \"affected\",\n                            \"versionType\": \"git\"\n                        },\n                        {\n                            \"version\": \"6d88283a49425eb469aa60ffebe76539e73c933e\",\n                            \"status\": \"affected\",\n                            \"versionType\": \"git\"\n                        },\n                        {\n                            \"version\": \"5.5.13\",\n                            \"lessThan\": \"5.6\",\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                        \"include/linux/device.h\"\n                    ],\n                    \"versions\": [\n                        {\n                            \"version\": \"5.6\",\n                            \"status\": \"affected\"\n                        },\n                        {\n                            \"version\": \"0\",\n                            \"lessThan\": \"5.6\",\n                            \"status\": \"unaffected\",\n                            \"versionType\": \"semver\"\n                        },\n                        {\n                            \"version\": \"5.10.261\",\n                            \"lessThanOrEqual\": \"5.10.*\",\n                            \"status\": \"unaffected\",\n                            \"versionType\": \"semver\"\n                        },\n                        {\n                            \"version\": \"5.15.212\",\n                            \"lessThanOrEqual\": \"5.15.*\",\n                            \"status\": \"unaffected\",\n                            \"versionType\": \"semver\"\n                        },\n                        {\n                            \"version\": \"6.1.178\",\n                            \"lessThanOrEqual\": \"6.1.*\",\n                            \"status\": \"unaffected\",\n                            \"versionType\": \"semver\"\n                        },\n                        {\n                            \"version\": \"6.6.145\",\n                            \"lessThanOrEqual\": \"6.6.*\",\n                            \"status\": \"unaffected\",\n                            \"versionType\": \"semver\"\n                        },\n                        {\n                            \"version\": \"6.12.97\",\n                            \"lessThanOrEqual\": \"6.12.*\",\n                            \"status\": \"unaffected\",\n                            \"versionType\": \"semver\"\n                        },\n                        {\n                            \"version\": \"6.18.40\",\n                            \"lessThanOrEqual\": \"6.18.*\",\n                            \"status\": \"unaffected\",\n                            \"versionType\": \"semver\"\n                        },\n                        {\n                            \"version\": \"7.1.5\",\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: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/89789e4c141904506163dcb91c7289a074573931","https://git.kernel.org/stable/c/51b3e1de53ee5b7775c7ff90e67fdb2665fce938","https://git.kernel.org/stable/c/358697929351f619143f59c6a8a15a4994748b79","https://git.kernel.org/stable/c/5e79e0180515b31b2e2244dc3d256fd8b5a07021","https://git.kernel.org/stable/c/860885fcd2611bca8c28dac8b2c1c7ff160f763e","https://git.kernel.org/stable/c/cc77f0d91e3214e4292208f02a1dc09a31f9aac7","https://git.kernel.org/stable/c/9b0f4082a09760939588135d60a8e9cc994bfa3e","https://git.kernel.org/stable/c/e9506871a8ea304cde48ff4a57226df2aadddae3"],"sourceUrl":"https://www.cve.org/CVERecord?id=CVE-2026-80677","license":"CVE Program Terms of Use","key":"cve-program:CVE-2026-80677","identifiers":["CVE-2026-80677"]},"retained":false,"historicalAffected":[]}],"coverage":[]}