{"id":"CVE-2026-80677","summary":"driver core: use READ_ONCE() for dev-\u003edriver in dev_has_sync_state()","details":"In the Linux kernel, the following vulnerability has been resolved:\n\ndriver core: use READ_ONCE() for dev-\u003edriver in dev_has_sync_state()\n\ndev_has_sync_state() reads dev-\u003edriver twice without holding\ndevice_lock() -- once for the NULL check and once to dereference\n-\u003esync_state. Some callers only hold device_links_write_lock, which\ndoesn't prevent a concurrent unbind from clearing dev-\u003edriver via\ndevice_unbind_cleanup().\n\nFix it by reading dev-\u003edriver exactly once with READ_ONCE(), pairing\nwith the WRITE_ONCE() in device_set_driver().","modified":"2026-11-13T04:06:57.677007032Z","published":"2026-08-28T06:49:15.507Z","related":["SUSE-SU-2026:24550-1","SUSE-SU-2026:24619-1","SUSE-SU-2026:24643-1","SUSE-SU-2026:24648-1","SUSE-SU-2026:24651-1","SUSE-SU-2026:24662-1","SUSE-SU-2026:5091-1"],"database_specific":{"osv_generated_from":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/80xxx/CVE-2026-80677.json","cna_assigner":"Linux"},"references":[{"type":"WEB","url":"https://git.kernel.org/stable/c/358697929351f619143f59c6a8a15a4994748b79"},{"type":"WEB","url":"https://git.kernel.org/stable/c/51b3e1de53ee5b7775c7ff90e67fdb2665fce938"},{"type":"WEB","url":"https://git.kernel.org/stable/c/5e79e0180515b31b2e2244dc3d256fd8b5a07021"},{"type":"WEB","url":"https://git.kernel.org/stable/c/860885fcd2611bca8c28dac8b2c1c7ff160f763e"},{"type":"WEB","url":"https://git.kernel.org/stable/c/89789e4c141904506163dcb91c7289a074573931"},{"type":"WEB","url":"https://git.kernel.org/stable/c/9b0f4082a09760939588135d60a8e9cc994bfa3e"},{"type":"WEB","url":"https://git.kernel.org/stable/c/cc77f0d91e3214e4292208f02a1dc09a31f9aac7"},{"type":"WEB","url":"https://git.kernel.org/stable/c/e9506871a8ea304cde48ff4a57226df2aadddae3"},{"type":"ADVISORY","url":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/80xxx/CVE-2026-80677.json"},{"type":"ADVISORY","url":"https://nvd.nist.gov/vuln/detail/CVE-2026-80677"},{"type":"PACKAGE","url":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git"}],"affected":[{"ranges":[{"type":"GIT","repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","events":[{"introduced":"ac338acf514e7b578fa9e3742ec2c292323b4c1a"},{"fixed":"89789e4c141904506163dcb91c7289a074573931"},{"fixed":"51b3e1de53ee5b7775c7ff90e67fdb2665fce938"},{"fixed":"358697929351f619143f59c6a8a15a4994748b79"},{"fixed":"5e79e0180515b31b2e2244dc3d256fd8b5a07021"},{"fixed":"860885fcd2611bca8c28dac8b2c1c7ff160f763e"},{"fixed":"cc77f0d91e3214e4292208f02a1dc09a31f9aac7"},{"fixed":"9b0f4082a09760939588135d60a8e9cc994bfa3e"},{"fixed":"e9506871a8ea304cde48ff4a57226df2aadddae3"}]},{"type":"GIT","repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","events":[{"introduced":"6d88283a49425eb469aa60ffebe76539e73c933e"}]}],"versions":["v5.5.19","v5.5.18","v5.5.17","v5.5.16","v5.5.15","v5.5.14","v5.5.13"],"database_specific":{"source":"https://storage.googleapis.com/osv-test-cve-osv-conversion/osv-output/CVE-2026-80677.json"}},{"package":{"name":"Kernel","ecosystem":"Linux"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"5.5.13"},{"fixed":"5.6"}]},{"type":"ECOSYSTEM","events":[{"introduced":"5.6.0"},{"fixed":"5.10.261"}]},{"type":"ECOSYSTEM","events":[{"introduced":"5.11.0"},{"fixed":"5.15.212"}]},{"type":"ECOSYSTEM","events":[{"introduced":"5.16.0"},{"fixed":"6.1.178"}]},{"type":"ECOSYSTEM","events":[{"introduced":"6.2.0"},{"fixed":"6.6.145"}]},{"type":"ECOSYSTEM","events":[{"introduced":"6.7.0"},{"fixed":"6.12.97"}]},{"type":"ECOSYSTEM","events":[{"introduced":"6.13.0"},{"fixed":"6.18.40"}]},{"type":"ECOSYSTEM","events":[{"introduced":"6.19.0"},{"fixed":"7.1.5"}]}],"database_specific":{"source":"https://storage.googleapis.com/osv-test-cve-osv-conversion/osv-output/CVE-2026-80677.json"}}],"schema_version":"1.9.2","severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H"}]}