{"dataType": "CVE_RECORD", "dataVersion": "5.2", "cveMetadata": {"cveId": "CVE-2026-68391", "assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "state": "PUBLISHED", "assignerShortName": "Linux", "dateReserved": "2026-07-30T09:28:09.388Z", "datePublished": "2026-08-10T12:04:10.564Z", "dateUpdated": "2026-08-10T12:04:10.564Z"}, "containers": {"cna": {"providerMetadata": {"orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "shortName": "Linux", "dateUpdated": "2026-08-10T12:04:10.564Z"}, "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."}], "affected": [{"product": "Linux", "vendor": "Linux", "defaultStatus": "unaffected", "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "programFiles": ["net/bluetooth/mgmt.c"], "versions": [{"version": "7b445e220db9a2c58be5d09bbbd322abf1b1452a", "lessThan": "b56f2ecafc08f372bf0529f9c4f3f429cb1702dc", "status": "affected", "versionType": "git"}, {"version": "7b445e220db9a2c58be5d09bbbd322abf1b1452a", "lessThan": "f915e74b6f18293d1d69a2a3305ef321ff7c0172", "status": "affected", "versionType": "git"}, {"version": "7b445e220db9a2c58be5d09bbbd322abf1b1452a", "lessThan": "d5b3b484b62bb0f4542e7622789d28871626cdf0", "status": "affected", "versionType": "git"}, {"version": "7b445e220db9a2c58be5d09bbbd322abf1b1452a", "lessThan": "ecdcb55ea1c01dda074406f38058785a69526734", "status": "affected", "versionType": "git"}, {"version": "7b445e220db9a2c58be5d09bbbd322abf1b1452a", "lessThan": "da55f570191d5d72f10c607a7043b947eb05ea46", "status": "affected", "versionType": "git"}]}, {"product": "Linux", "vendor": "Linux", "defaultStatus": "affected", "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "programFiles": ["net/bluetooth/mgmt.c"], "versions": [{"version": "6.0", "status": "affected"}, {"version": "0", "lessThan": "6.0", "status": "unaffected", "versionType": "semver"}, {"version": "6.6.148", "lessThanOrEqual": "6.6.*", "status": "unaffected", "versionType": "semver"}, {"version": "6.12.101", "lessThanOrEqual": "6.12.*", "status": "unaffected", "versionType": "semver"}, {"version": "6.18.42", "lessThanOrEqual": "6.18.*", "status": "unaffected", "versionType": "semver"}, {"version": "7.1.6", "lessThanOrEqual": "7.1.*", "status": "unaffected", "versionType": "semver"}, {"version": "7.2-rc4", "lessThanOrEqual": "*", "status": "unaffected", "versionType": "original_commit_for_fix"}]}], "cpeApplicability": [{"nodes": [{"operator": "OR", "negate": false, "cpeMatch": [{"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "6.0", "versionEndExcluding": "6.6.148"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "6.0", "versionEndExcluding": "6.12.101"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "6.0", "versionEndExcluding": "6.18.42"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "6.0", "versionEndExcluding": "7.1.6"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "6.0", "versionEndExcluding": "7.2-rc4"}]}]}], "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"}}}}

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