{"id":"CVE-2026-80677","url":"https://www.cyber-defence.io/tools/cve/CVE-2026-80677","generatedAt":"2026-10-28T03:26:53.094Z","title":"In the Linux kernel, the following vulnerability has been resolved: driver core: use READ_ONCE() for dev->driver in dev_has_sync_state() dev_has_sync_state() reads dev->driver twice without holding device_lock() -- once for the NULL check and once to…","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().","published":"2026-08-28T08:16:53.000Z","lastModified":"2026-10-16T20:18:06.000Z","status":"Received","sourceIdentifier":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","cvss":{"version":"3.1","score":7.8,"severity":"HIGH","vector":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H"},"cwe":[],"affected":[],"epss":{"score":0.00176,"percentile":0.07052,"date":"2026-10-26","history":[]},"kev":{"listed":false},"exploits":{"count":0,"verified":false,"firstPublished":null,"source":"Exploit-DB (https://gitlab.com/exploit-database/exploitdb)","entries":[]},"verdict":{"level":"high","text":"High impact if exploited, but EPSS currently rates exploitation as unlikely (0.18%). Schedule it in the normal patch cycle and watch for a rise in EPSS or a public exploit."},"changes":[],"references":[{"url":"https://git.kernel.org/stable/c/358697929351f619143f59c6a8a15a4994748b79","source":"416baaa9-dc9f-4396-8d5f-8c081fb06d67"},{"url":"https://git.kernel.org/stable/c/51b3e1de53ee5b7775c7ff90e67fdb2665fce938","source":"416baaa9-dc9f-4396-8d5f-8c081fb06d67"},{"url":"https://git.kernel.org/stable/c/5e79e0180515b31b2e2244dc3d256fd8b5a07021","source":"416baaa9-dc9f-4396-8d5f-8c081fb06d67"},{"url":"https://git.kernel.org/stable/c/860885fcd2611bca8c28dac8b2c1c7ff160f763e","source":"416baaa9-dc9f-4396-8d5f-8c081fb06d67"},{"url":"https://git.kernel.org/stable/c/89789e4c141904506163dcb91c7289a074573931","source":"416baaa9-dc9f-4396-8d5f-8c081fb06d67"},{"url":"https://git.kernel.org/stable/c/9b0f4082a09760939588135d60a8e9cc994bfa3e","source":"416baaa9-dc9f-4396-8d5f-8c081fb06d67"},{"url":"https://git.kernel.org/stable/c/cc77f0d91e3214e4292208f02a1dc09a31f9aac7","source":"416baaa9-dc9f-4396-8d5f-8c081fb06d67"},{"url":"https://git.kernel.org/stable/c/e9506871a8ea304cde48ff4a57226df2aadddae3","source":"416baaa9-dc9f-4396-8d5f-8c081fb06d67"}],"sources":{"nvd":"https://nvd.nist.gov/vuln/detail/CVE-2026-80677","epss":"https://www.first.org/epss/","kev":"https://www.cisa.gov/known-exploited-vulnerabilities-catalog","exploitdb":"https://www.exploit-db.com/"},"licence":"CC BY 4.0 — link back to the CVE Explorer if you publish the results; upstream data remains subject to its own terms."}