CVE-2026-90252

{"dataType": "CVE_RECORD", "dataVersion": "5.2", "cveMetadata": {"cveId": "CVE-2026-90252", "assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "state": "PUBLISHED", "assignerShortName": "Linux", "dateReserved": "2026-09-11T19:38:34.795Z", "datePublished": "2026-09-17T16:07:52.738Z", "dateUpdated": "2026-10-19T09:00:29.101Z"}, "containers": {"cna": {"providerMetadata": {"orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "shortName": "Linux", "dateUpdated": "2026-10-19T09:00:29.101Z"}, "descriptions": [{"lang": "en", "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nBluetooth: MGMT: free the HCI command when it is cancelled\n\nmgmt_hci_cmd_sync() queues the pending command with a NULL destroy\ncallback, so it is only freed if send_hci_cmd_sync() runs. A cancelled\nentry is leaked, as _hci_cmd_sync_cancel_entry() does not release\nentry->data when there is no destroy callback, and hci_cmd_sync_clear()\ncancels every pending entry when the controller is unregistered. Nothing\nelse reclaims it either: mgmt_pending_new() does not put the command on\nhdev->mgmt_pending.\n\nThe leak also pins the socket reference taken by mgmt_pending_new(), so\nthe mgmt socket is never released.\n\nFree the command from a destroy callback. The now-empty done label is\nreplaced by a direct return."}], "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": "827af4787e74e8df9e8e0677a69fbb15e0856d2f", "lessThan": "e0cd7b34dc6b5414cac3d4cd376f73d3e9ffbd93", "status": "affected", "versionType": "git"}, {"version": "827af4787e74e8df9e8e0677a69fbb15e0856d2f", "lessThan": "481533b03985177ddc805e0bd12fc07e7adf9040", "status": "affected", "versionType": "git"}, {"version": "827af4787e74e8df9e8e0677a69fbb15e0856d2f", "lessThan": "414b365ecea6c30357adee6b8a7c5edc03a03575", "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": "6.13", "status": "affected"}, {"version": "0", "lessThan": "6.13", "status": "unaffected", "versionType": "semver"}, {"version": "6.18.52", "lessThanOrEqual": "6.18.*", "status": "unaffected", "versionType": "semver"}, {"version": "7.2.6", "lessThanOrEqual": "7.2.*", "status": "unaffected", "versionType": "semver"}, {"version": "7.3", "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": "6.13", "versionEndExcluding": "6.18.52"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "6.13", "versionEndExcluding": "7.2.6"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "6.13", "versionEndExcluding": "7.3"}]}]}], "references": [{"url": "https://git.kernel.org/stable/c/e0cd7b34dc6b5414cac3d4cd376f73d3e9ffbd93"}, {"url": "https://git.kernel.org/stable/c/481533b03985177ddc805e0bd12fc07e7adf9040"}, {"url": "https://git.kernel.org/stable/c/414b365ecea6c30357adee6b8a7c5edc03a03575"}], "title": "Bluetooth: MGMT: free the HCI command when it is cancelled", "x_generator": {"engine": "bippy-1.2.0"}}}}

{}

{"affected": [{"affectedData": [{"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": "e0cd7b34dc6b5414cac3d4cd376f73d3e9ffbd93", "status": "affected", "version": "827af4787e74e8df9e8e0677a69fbb15e0856d2f", "versionType": "git"}, {"lessThan": "481533b03985177ddc805e0bd12fc07e7adf9040", "status": "affected", "version": "827af4787e74e8df9e8e0677a69fbb15e0856d2f", "versionType": "git"}, {"lessThan": "414b365ecea6c30357adee6b8a7c5edc03a03575", "status": "affected", "version": "827af4787e74e8df9e8e0677a69fbb15e0856d2f", "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": "6.13"}, {"lessThan": "6.13", "status": "unaffected", "version": "0", "versionType": "semver"}, {"lessThanOrEqual": "6.18.*", "status": "unaffected", "version": "6.18.52", "versionType": "semver"}, {"lessThanOrEqual": "7.2.*", "status": "unaffected", "version": "7.2.6", "versionType": "semver"}, {"lessThanOrEqual": "*", "status": "unaffected", "version": "7.3", "versionType": "original_commit_for_fix"}]}], "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"}], "cveTags": [], "descriptions": [{"lang": "en", "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nBluetooth: MGMT: free the HCI command when it is cancelled\n\nmgmt_hci_cmd_sync() queues the pending command with a NULL destroy\ncallback, so it is only freed if send_hci_cmd_sync() runs. A cancelled\nentry is leaked, as _hci_cmd_sync_cancel_entry() does not release\nentry->data when there is no destroy callback, and hci_cmd_sync_clear()\ncancels every pending entry when the controller is unregistered. Nothing\nelse reclaims it either: mgmt_pending_new() does not put the command on\nhdev->mgmt_pending.\n\nThe leak also pins the socket reference taken by mgmt_pending_new(), so\nthe mgmt socket is never released.\n\nFree the command from a destroy callback. The now-empty done label is\nreplaced by a direct return."}], "id": "CVE-2026-90252", "lastModified": "2026-10-19T09:19:15.753", "metrics": {}, "published": "2026-09-17T17:17:21.500", "references": [{"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/414b365ecea6c30357adee6b8a7c5edc03a03575"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/481533b03985177ddc805e0bd12fc07e7adf9040"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/e0cd7b34dc6b5414cac3d4cd376f73d3e9ffbd93"}], "sourceIdentifier": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "vulnStatus": "Received"}

{}

{"affected": [{"configurations": [{"platform": null, "status": "affected", "versions": {"scheme": "code_commit", "value": "[827af4787e74e8df9e8e0677a69fbb15e0856d2f,e0cd7b34dc6b5414cac3d4cd376f73d3e9ffbd93)"}}, {"platform": null, "status": "affected", "versions": {"scheme": "code_commit", "value": "[827af4787e74e8df9e8e0677a69fbb15e0856d2f,481533b03985177ddc805e0bd12fc07e7adf9040)"}}, {"platform": null, "status": "affected", "versions": {"scheme": "code_commit", "value": "[827af4787e74e8df9e8e0677a69fbb15e0856d2f,414b365ecea6c30357adee6b8a7c5edc03a03575)"}}], "enrichment": {"confidence": 99.0, "confidence_source": "inferred", "scores": [{"score": 99.0, "source": "inferred"}, {"score": 100.0, "source": "matching"}]}, "original": {"product": "Linux", "source": "cna", "vendor": "Linux"}, "product": "linux_kernel", "vendor": "linux"}, {"configurations": [{"platform": null, "status": "affected", "versions": {"scheme": "generic", "value": "6.13"}}, {"platform": null, "status": "unaffected", "versions": {"scheme": "generic", "value": "[0,6.13)"}}, {"platform": null, "status": "unaffected", "versions": {"scheme": "semver", "value": "[6.18.52,6.19.0)"}}, {"platform": null, "status": "unaffected", "versions": {"scheme": "semver", "value": "[7.2.6,7.3.0)"}}, {"platform": null, "status": "unaffected", "versions": {"scheme": "generic", "value": "[7.3-rc1,*]"}}], "enrichment": {"confidence": 99.0, "confidence_source": "inferred", "scores": [{"score": 99.0, "source": "inferred"}, {"score": 100.0, "source": "matching"}]}, "original": {"product": "Linux", "source": "cna", "vendor": "Linux"}, "product": "linux_kernel", "vendor": "linux"}], "created": "2026-09-19T03:45:17.045895+00:00", "updated": "2026-09-19T05:00:08.957057+00:00", "vendors": ["linux", "linux$PRODUCT$linux_kernel"], "weaknesses": ["CWE-401"]}