{"api_version":"1","generated_at":"2026-08-10T22:55:30+00:00","cve":"CVE-2026-68391","urls":{"html":"https://cve.report/CVE-2026-68391","api":"https://cve.report/api/cve/CVE-2026-68391.json","docs":"https://cve.report/api","cve_org":"https://www.cve.org/CVERecord?id=CVE-2026-68391","nvd":"https://nvd.nist.gov/vuln/detail/CVE-2026-68391"},"summary":{"title":"Bluetooth: mgmt: hold reference for hci_conn in mgmt_pending_cmds","description":"In the Linux kernel, the following vulnerability has been resolved:\n\nBluetooth: mgmt: hold reference for hci_conn in mgmt_pending_cmds\n\nDereferencing RCU-protected pointers outside critical sections is\ninvalid and may lead to UAF.  Use of hci_conn in hci_sync callbacks also\nneeds to hold refcount to avoid UAF.\n\nTake appropriate locks for hci_conn lookups, and take refcount for\nhci_conn pointers stored in mgmt_pending_cmd so that the pointer stays\nvalid.\n\nWhen accessing conn->state, ensure hdev->lock is held to avoid data\nrace.","state":"PUBLISHED","assigner":"Linux","published_at":"2026-08-10 13:20:32","updated_at":"2026-08-10 13:20:32"},"problem_types":[],"metrics":[],"references":[{"url":"https://git.kernel.org/stable/c/f915e74b6f18293d1d69a2a3305ef321ff7c0172","name":"https://git.kernel.org/stable/c/f915e74b6f18293d1d69a2a3305ef321ff7c0172","refsource":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","tags":[],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://git.kernel.org/stable/c/b56f2ecafc08f372bf0529f9c4f3f429cb1702dc","name":"https://git.kernel.org/stable/c/b56f2ecafc08f372bf0529f9c4f3f429cb1702dc","refsource":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","tags":[],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://git.kernel.org/stable/c/ecdcb55ea1c01dda074406f38058785a69526734","name":"https://git.kernel.org/stable/c/ecdcb55ea1c01dda074406f38058785a69526734","refsource":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","tags":[],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://git.kernel.org/stable/c/d5b3b484b62bb0f4542e7622789d28871626cdf0","name":"https://git.kernel.org/stable/c/d5b3b484b62bb0f4542e7622789d28871626cdf0","refsource":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","tags":[],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://git.kernel.org/stable/c/da55f570191d5d72f10c607a7043b947eb05ea46","name":"https://git.kernel.org/stable/c/da55f570191d5d72f10c607a7043b947eb05ea46","refsource":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","tags":[],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://www.cve.org/CVERecord?id=CVE-2026-68391","name":"CVE Program record","refsource":"CVE.ORG","tags":["canonical"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2026-68391","name":"NVD vulnerability detail","refsource":"NVD","tags":["canonical","analysis"]}],"affected":[{"source":"CNA","vendor":"Linux","product":"Linux","version":"affected 7b445e220db9a2c58be5d09bbbd322abf1b1452a b56f2ecafc08f372bf0529f9c4f3f429cb1702dc git","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"affected 7b445e220db9a2c58be5d09bbbd322abf1b1452a f915e74b6f18293d1d69a2a3305ef321ff7c0172 git","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"affected 7b445e220db9a2c58be5d09bbbd322abf1b1452a d5b3b484b62bb0f4542e7622789d28871626cdf0 git","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"affected 7b445e220db9a2c58be5d09bbbd322abf1b1452a ecdcb55ea1c01dda074406f38058785a69526734 git","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"affected 7b445e220db9a2c58be5d09bbbd322abf1b1452a da55f570191d5d72f10c607a7043b947eb05ea46 git","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"affected 6.0","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"unaffected 6.0 semver","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"unaffected 6.6.148 6.6.* semver","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"unaffected 6.12.101 6.12.* semver","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"unaffected 6.18.42 6.18.* semver","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"unaffected 7.1.6 7.1.* semver","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"unaffected 7.2-rc4 * original_commit_for_fix","platforms":[]}],"timeline":[],"solutions":[],"workarounds":[],"exploits":[],"credits":[],"nvd_cpes":[],"vendor_comments":[],"enrichments":{"kev":null,"epss":null,"legacy_qids":[]},"source_records":{"cve_program":{"containers":{"cna":{"affected":[{"defaultStatus":"unaffected","product":"Linux","programFiles":["net/bluetooth/mgmt.c"],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","vendor":"Linux","versions":[{"lessThan":"b56f2ecafc08f372bf0529f9c4f3f429cb1702dc","status":"affected","version":"7b445e220db9a2c58be5d09bbbd322abf1b1452a","versionType":"git"},{"lessThan":"f915e74b6f18293d1d69a2a3305ef321ff7c0172","status":"affected","version":"7b445e220db9a2c58be5d09bbbd322abf1b1452a","versionType":"git"},{"lessThan":"d5b3b484b62bb0f4542e7622789d28871626cdf0","status":"affected","version":"7b445e220db9a2c58be5d09bbbd322abf1b1452a","versionType":"git"},{"lessThan":"ecdcb55ea1c01dda074406f38058785a69526734","status":"affected","version":"7b445e220db9a2c58be5d09bbbd322abf1b1452a","versionType":"git"},{"lessThan":"da55f570191d5d72f10c607a7043b947eb05ea46","status":"affected","version":"7b445e220db9a2c58be5d09bbbd322abf1b1452a","versionType":"git"}]},{"defaultStatus":"affected","product":"Linux","programFiles":["net/bluetooth/mgmt.c"],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","vendor":"Linux","versions":[{"status":"affected","version":"6.0"},{"lessThan":"6.0","status":"unaffected","version":"0","versionType":"semver"},{"lessThanOrEqual":"6.6.*","status":"unaffected","version":"6.6.148","versionType":"semver"},{"lessThanOrEqual":"6.12.*","status":"unaffected","version":"6.12.101","versionType":"semver"},{"lessThanOrEqual":"6.18.*","status":"unaffected","version":"6.18.42","versionType":"semver"},{"lessThanOrEqual":"7.1.*","status":"unaffected","version":"7.1.6","versionType":"semver"},{"lessThanOrEqual":"*","status":"unaffected","version":"7.2-rc4","versionType":"original_commit_for_fix"}]}],"cpeApplicability":[{"nodes":[{"cpeMatch":[{"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionEndExcluding":"6.6.148","versionStartIncluding":"6.0","vulnerable":true},{"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionEndExcluding":"6.12.101","versionStartIncluding":"6.0","vulnerable":true},{"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionEndExcluding":"6.18.42","versionStartIncluding":"6.0","vulnerable":true},{"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionEndExcluding":"7.1.6","versionStartIncluding":"6.0","vulnerable":true},{"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionEndExcluding":"7.2-rc4","versionStartIncluding":"6.0","vulnerable":true}],"negate":false,"operator":"OR"}]}],"descriptions":[{"lang":"en","value":"In the Linux kernel, the following vulnerability has been resolved:\n\nBluetooth: mgmt: hold reference for hci_conn in mgmt_pending_cmds\n\nDereferencing RCU-protected pointers outside critical sections is\ninvalid and may lead to UAF.  Use of hci_conn in hci_sync callbacks also\nneeds to hold refcount to avoid UAF.\n\nTake appropriate locks for hci_conn lookups, and take refcount for\nhci_conn pointers stored in mgmt_pending_cmd so that the pointer stays\nvalid.\n\nWhen accessing conn->state, ensure hdev->lock is held to avoid data\nrace."}],"providerMetadata":{"dateUpdated":"2026-08-10T12:04:10.564Z","orgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","shortName":"Linux"},"references":[{"url":"https://git.kernel.org/stable/c/b56f2ecafc08f372bf0529f9c4f3f429cb1702dc"},{"url":"https://git.kernel.org/stable/c/f915e74b6f18293d1d69a2a3305ef321ff7c0172"},{"url":"https://git.kernel.org/stable/c/d5b3b484b62bb0f4542e7622789d28871626cdf0"},{"url":"https://git.kernel.org/stable/c/ecdcb55ea1c01dda074406f38058785a69526734"},{"url":"https://git.kernel.org/stable/c/da55f570191d5d72f10c607a7043b947eb05ea46"}],"title":"Bluetooth: mgmt: hold reference for hci_conn in mgmt_pending_cmds","x_generator":{"engine":"bippy-1.2.0"}}},"cveMetadata":{"assignerOrgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","assignerShortName":"Linux","cveId":"CVE-2026-68391","datePublished":"2026-08-10T12:04:10.564Z","dateReserved":"2026-07-30T09:28:09.388Z","dateUpdated":"2026-08-10T12:04:10.564Z","state":"PUBLISHED"},"dataType":"CVE_RECORD","dataVersion":"5.2"},"nvd":{"publishedDate":"2026-08-10 13:20:32","lastModifiedDate":"2026-08-10 13:20:32","problem_types":[],"metrics":[],"configurations":[]},"legacy_mitre":{"record":{"CveYear":"2026","CveId":"68391","Ordinal":"1","Title":"Bluetooth: mgmt: hold reference for hci_conn in mgmt_pending_cmd","CVE":"CVE-2026-68391","Year":"2026"},"notes":[{"CveYear":"2026","CveId":"68391","Ordinal":"1","NoteData":"In the Linux kernel, the following vulnerability has been resolved:\n\nBluetooth: mgmt: hold reference for hci_conn in mgmt_pending_cmds\n\nDereferencing RCU-protected pointers outside critical sections is\ninvalid and may lead to UAF.  Use of hci_conn in hci_sync callbacks also\nneeds to hold refcount to avoid UAF.\n\nTake appropriate locks for hci_conn lookups, and take refcount for\nhci_conn pointers stored in mgmt_pending_cmd so that the pointer stays\nvalid.\n\nWhen accessing conn->state, ensure hdev->lock is held to avoid data\nrace.","Type":"Description","Title":"Bluetooth: mgmt: hold reference for hci_conn in mgmt_pending_cmd"}]}}}