{"api_version":"1","generated_at":"2026-08-29T03:41:15+00:00","cve":"CVE-2026-80677","urls":{"html":"https://cve.report/CVE-2026-80677","api":"https://cve.report/api/cve/CVE-2026-80677.json","docs":"https://cve.report/api","cve_org":"https://www.cve.org/CVERecord?id=CVE-2026-80677","nvd":"https://nvd.nist.gov/vuln/detail/CVE-2026-80677"},"summary":{"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":"PUBLISHED","assigner":"Linux","published_at":"2026-08-28 08:16:52","updated_at":"2026-08-28 08:16:52"},"problem_types":[],"metrics":[],"references":[{"url":"https://git.kernel.org/stable/c/5e79e0180515b31b2e2244dc3d256fd8b5a07021","name":"https://git.kernel.org/stable/c/5e79e0180515b31b2e2244dc3d256fd8b5a07021","refsource":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","tags":[],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://git.kernel.org/stable/c/9b0f4082a09760939588135d60a8e9cc994bfa3e","name":"https://git.kernel.org/stable/c/9b0f4082a09760939588135d60a8e9cc994bfa3e","refsource":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","tags":[],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://git.kernel.org/stable/c/cc77f0d91e3214e4292208f02a1dc09a31f9aac7","name":"https://git.kernel.org/stable/c/cc77f0d91e3214e4292208f02a1dc09a31f9aac7","refsource":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","tags":[],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://git.kernel.org/stable/c/860885fcd2611bca8c28dac8b2c1c7ff160f763e","name":"https://git.kernel.org/stable/c/860885fcd2611bca8c28dac8b2c1c7ff160f763e","refsource":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","tags":[],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://git.kernel.org/stable/c/e9506871a8ea304cde48ff4a57226df2aadddae3","name":"https://git.kernel.org/stable/c/e9506871a8ea304cde48ff4a57226df2aadddae3","refsource":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","tags":[],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://git.kernel.org/stable/c/358697929351f619143f59c6a8a15a4994748b79","name":"https://git.kernel.org/stable/c/358697929351f619143f59c6a8a15a4994748b79","refsource":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","tags":[],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://git.kernel.org/stable/c/51b3e1de53ee5b7775c7ff90e67fdb2665fce938","name":"https://git.kernel.org/stable/c/51b3e1de53ee5b7775c7ff90e67fdb2665fce938","refsource":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","tags":[],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://git.kernel.org/stable/c/89789e4c141904506163dcb91c7289a074573931","name":"https://git.kernel.org/stable/c/89789e4c141904506163dcb91c7289a074573931","refsource":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","tags":[],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://www.cve.org/CVERecord?id=CVE-2026-80677","name":"CVE Program record","refsource":"CVE.ORG","tags":["canonical"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2026-80677","name":"NVD vulnerability detail","refsource":"NVD","tags":["canonical","analysis"]}],"affected":[{"source":"CNA","vendor":"Linux","product":"Linux","version":"affected ac338acf514e7b578fa9e3742ec2c292323b4c1a 89789e4c141904506163dcb91c7289a074573931 git","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"affected ac338acf514e7b578fa9e3742ec2c292323b4c1a 51b3e1de53ee5b7775c7ff90e67fdb2665fce938 git","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"affected ac338acf514e7b578fa9e3742ec2c292323b4c1a 358697929351f619143f59c6a8a15a4994748b79 git","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"affected ac338acf514e7b578fa9e3742ec2c292323b4c1a 5e79e0180515b31b2e2244dc3d256fd8b5a07021 git","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"affected 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5.6","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"unaffected 5.6 semver","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"unaffected 5.10.261 5.10.* semver","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"unaffected 5.15.212 5.15.* semver","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"unaffected 6.1.178 6.1.* semver","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"unaffected 6.6.145 6.6.* semver","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"unaffected 6.12.97 6.12.* semver","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"unaffected 6.18.40 6.18.* semver","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"unaffected 7.1.5 7.1.* semver","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"unaffected 7.2 * original_commit_for_fix","platforms":[]}],"timeline":[],"solutions":[],"workarounds":[],"exploits":[],"credits":[],"nvd_cpes":[],"vendor_comments":[],"enrichments":{"kev":null,"epss":{"cve_year":"2026","cve_id":"80677","cve":"CVE-2026-80677","epss":"0.001760000","percentile":"0.072290000","score_date":"2026-08-28","updated_at":"2026-08-29 00:12:17"},"legacy_qids":[]},"source_records":{"cve_program":{"containers":{"cna":{"affected":[{"defaultStatus":"unaffected","product":"Linux","programFiles":["include/linux/device.h"],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","vendor":"Linux","versions":[{"lessThan":"89789e4c141904506163dcb91c7289a074573931","status":"affected","version":"ac338acf514e7b578fa9e3742ec2c292323b4c1a","versionType":"git"},{"lessThan":"51b3e1de53ee5b7775c7ff90e67fdb2665fce938","status":"affected","version":"ac338acf514e7b578fa9e3742ec2c292323b4c1a","versionType":"git"},{"lessThan":"358697929351f619143f59c6a8a15a4994748b79","status":"affected","version":"ac338acf514e7b578fa9e3742ec2c292323b4c1a","versionType":"git"},{"lessThan":"5e79e0180515b31b2e2244dc3d256fd8b5a07021","status":"affected","version":"ac338acf514e7b578fa9e3742ec2c292323b4c1a","versionType":"git"},{"lessThan":"860885fcd2611bca8c28dac8b2c1c7ff160f763e","status":"affected","version":"ac338acf514e7b578fa9e3742ec2c292323b4c1a","versionType":"git"},{"lessThan":"cc77f0d91e3214e4292208f02a1dc09a31f9aac7","status":"affected","version":"ac338acf514e7b578fa9e3742ec2c292323b4c1a","versionType":"git"},{"lessThan":"9b0f4082a09760939588135d60a8e9cc994bfa3e","status":"affected","version":"ac338acf514e7b578fa9e3742ec2c292323b4c1a","versionType":"git"},{"lessThan":"e9506871a8ea304cde48ff4a57226df2aadddae3","status":"affected","version":"ac338acf514e7b578fa9e3742ec2c292323b4c1a","versionType":"git"},{"status":"affected","version":"6d88283a49425eb469aa60ffebe76539e73c933e","versionType":"git"},{"lessThan":"5.6","status":"affected","version":"5.5.13","versionType":"semver"}]},{"defaultStatus":"affected","product":"Linux","programFiles":["include/linux/device.h"],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","vendor":"Linux","versions":[{"status":"affected","version":"5.6"},{"lessThan":"5.6","status":"unaffected","version":"0","versionType":"semver"},{"lessThanOrEqual":"5.10.*","status":"unaffected","version":"5.10.261","versionType":"semver"},{"lessThanOrEqual":"5.15.*","status":"unaffected","version":"5.15.212","versionType":"semver"},{"lessThanOrEqual":"6.1.*","status":"unaffected","version":"6.1.178","versionType":"semver"},{"lessThanOrEqual":"6.6.*","status":"unaffected","version":"6.6.145","versionType":"semver"},{"lessThanOrEqual":"6.12.*","status":"unaffected","version":"6.12.97","versionType":"semver"},{"lessThanOrEqual":"6.18.*","status":"unaffected","version":"6.18.40","versionType":"semver"},{"lessThanOrEqual":"7.1.*","status":"unaffected","version":"7.1.5","versionType":"semver"},{"lessThanOrEqual":"*","status":"unaffected","version":"7.2","versionType":"original_commit_for_fix"}]}],"cpeApplicability":[{"nodes":[{"cpeMatch":[{"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionEndExcluding":"5.10.261","versionStartIncluding":"5.6","vulnerable":true},{"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionEndExcluding":"5.15.212","versionStartIncluding":"5.6","vulnerable":true},{"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionEndExcluding":"6.1.178","versionStartIncluding":"5.6","vulnerable":true},{"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionEndExcluding":"6.6.145","versionStartIncluding":"5.6","vulnerable":true},{"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionEndExcluding":"6.12.97","versionStartIncluding":"5.6","vulnerable":true},{"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionEndExcluding":"6.18.40","versionStartIncluding":"5.6","vulnerable":true},{"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionEndExcluding":"7.1.5","versionStartIncluding":"5.6","vulnerable":true},{"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionEndExcluding":"7.2","versionStartIncluding":"5.6","vulnerable":true},{"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"5.5.13","vulnerable":true}],"negate":false,"operator":"OR"}]}],"descriptions":[{"lang":"en","value":"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()."}],"providerMetadata":{"dateUpdated":"2026-08-28T06:49:15.507Z","orgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","shortName":"Linux"},"references":[{"url":"https://git.kernel.org/stable/c/89789e4c141904506163dcb91c7289a074573931"},{"url":"https://git.kernel.org/stable/c/51b3e1de53ee5b7775c7ff90e67fdb2665fce938"},{"url":"https://git.kernel.org/stable/c/358697929351f619143f59c6a8a15a4994748b79"},{"url":"https://git.kernel.org/stable/c/5e79e0180515b31b2e2244dc3d256fd8b5a07021"},{"url":"https://git.kernel.org/stable/c/860885fcd2611bca8c28dac8b2c1c7ff160f763e"},{"url":"https://git.kernel.org/stable/c/cc77f0d91e3214e4292208f02a1dc09a31f9aac7"},{"url":"https://git.kernel.org/stable/c/9b0f4082a09760939588135d60a8e9cc994bfa3e"},{"url":"https://git.kernel.org/stable/c/e9506871a8ea304cde48ff4a57226df2aadddae3"}],"title":"driver core: use READ_ONCE() for dev->driver in dev_has_sync_state()","x_generator":{"engine":"bippy-1.2.0"}}},"cveMetadata":{"assignerOrgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","assignerShortName":"Linux","cveId":"CVE-2026-80677","datePublished":"2026-08-28T06:49:15.507Z","dateReserved":"2026-08-26T14:34:25.783Z","dateUpdated":"2026-08-28T06:49:15.507Z","state":"PUBLISHED"},"dataType":"CVE_RECORD","dataVersion":"5.2"},"nvd":{"publishedDate":"2026-08-28 08:16:52","lastModifiedDate":"2026-08-28 08:16:52","problem_types":[],"metrics":[],"configurations":[]},"legacy_mitre":{"record":{"CveYear":"2026","CveId":"80677","Ordinal":"1","Title":"driver core: use READ_ONCE() for dev->driver in dev_has_sync_sta","CVE":"CVE-2026-80677","Year":"2026"},"notes":[{"CveYear":"2026","CveId":"80677","Ordinal":"1","NoteData":"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().","Type":"Description","Title":"driver core: use READ_ONCE() for dev->driver in dev_has_sync_sta"}]}}}