{"api_version":"1","generated_at":"2026-10-16T01:37:17+00:00","cve":"CVE-2026-90253","urls":{"html":"https://cve.report/CVE-2026-90253","api":"https://cve.report/api/cve/CVE-2026-90253.json","docs":"https://cve.report/api","cve_org":"https://www.cve.org/CVERecord?id=CVE-2026-90253","nvd":"https://nvd.nist.gov/vuln/detail/CVE-2026-90253"},"summary":{"title":"Bluetooth: MGMT: free the mesh send cancel command when it is cancelled","description":"In the Linux kernel, the following vulnerability has been resolved:\n\nBluetooth: MGMT: free the mesh send cancel command when it is cancelled\n\nmesh_send_cancel() queues the pending command with a NULL destroy\ncallback, so it is only freed if send_cancel() runs. A cancelled entry is\nleaked, as _hci_cmd_sync_cancel_entry() does not release entry->data when\nthere is no destroy callback, and hci_cmd_sync_clear() cancels every\npending entry when the controller is unregistered. Nothing else reclaims\nit 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.","state":"PUBLISHED","assigner":"Linux","published_at":"2026-09-17 17:17:21","updated_at":"2026-09-17 17:17:21"},"problem_types":[],"metrics":[],"references":[{"url":"https://git.kernel.org/stable/c/416fabca9b7237b76aa9cafcf8c497b8ac00d88c","name":"https://git.kernel.org/stable/c/416fabca9b7237b76aa9cafcf8c497b8ac00d88c","refsource":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","tags":[],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://git.kernel.org/stable/c/fa46d428c014e7b72a18634679815670418e67dc","name":"https://git.kernel.org/stable/c/fa46d428c014e7b72a18634679815670418e67dc","refsource":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","tags":[],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://git.kernel.org/stable/c/b609341ee56967d9a45845ff26f79336d2114b55","name":"https://git.kernel.org/stable/c/b609341ee56967d9a45845ff26f79336d2114b55","refsource":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","tags":[],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://git.kernel.org/stable/c/05438d338a875a9daa08ca3f6a35b4480cf13de4","name":"https://git.kernel.org/stable/c/05438d338a875a9daa08ca3f6a35b4480cf13de4","refsource":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","tags":[],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://git.kernel.org/stable/c/88e30d036d777b00aed42bd35000de23ff40910c","name":"https://git.kernel.org/stable/c/88e30d036d777b00aed42bd35000de23ff40910c","refsource":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","tags":[],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://git.kernel.org/stable/c/3c742feda8fcabf741a17bcf668b63c8f606f9c5","name":"https://git.kernel.org/stable/c/3c742feda8fcabf741a17bcf668b63c8f606f9c5","refsource":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","tags":[],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://www.cve.org/CVERecord?id=CVE-2026-90253","name":"CVE Program record","refsource":"CVE.ORG","tags":["canonical"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2026-90253","name":"NVD vulnerability detail","refsource":"NVD","tags":["canonical","analysis"]}],"affected":[{"source":"CNA","vendor":"Linux","product":"Linux","version":"affected b338d91703fae6f6afd67f3f75caa3b8f36ddef3 b609341ee56967d9a45845ff26f79336d2114b55 git","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"affected b338d91703fae6f6afd67f3f75caa3b8f36ddef3 416fabca9b7237b76aa9cafcf8c497b8ac00d88c git","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"affected b338d91703fae6f6afd67f3f75caa3b8f36ddef3 88e30d036d777b00aed42bd35000de23ff40910c git","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"affected b338d91703fae6f6afd67f3f75caa3b8f36ddef3 05438d338a875a9daa08ca3f6a35b4480cf13de4 git","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"affected b338d91703fae6f6afd67f3f75caa3b8f36ddef3 fa46d428c014e7b72a18634679815670418e67dc git","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"affected b338d91703fae6f6afd67f3f75caa3b8f36ddef3 3c742feda8fcabf741a17bcf668b63c8f606f9c5 git","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"affected 6.1","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"unaffected 6.1 semver","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"unaffected 6.1.188 6.1.* semver","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"unaffected 6.6.157 6.6.* semver","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"unaffected 6.12.110 6.12.* semver","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"unaffected 6.18.52 6.18.* semver","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"unaffected 7.2.6 7.2.* semver","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"unaffected 7.3-rc1 * 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":"b609341ee56967d9a45845ff26f79336d2114b55","status":"affected","version":"b338d91703fae6f6afd67f3f75caa3b8f36ddef3","versionType":"git"},{"lessThan":"416fabca9b7237b76aa9cafcf8c497b8ac00d88c","status":"affected","version":"b338d91703fae6f6afd67f3f75caa3b8f36ddef3","versionType":"git"},{"lessThan":"88e30d036d777b00aed42bd35000de23ff40910c","status":"affected","version":"b338d91703fae6f6afd67f3f75caa3b8f36ddef3","versionType":"git"},{"lessThan":"05438d338a875a9daa08ca3f6a35b4480cf13de4","status":"affected","version":"b338d91703fae6f6afd67f3f75caa3b8f36ddef3","versionType":"git"},{"lessThan":"fa46d428c014e7b72a18634679815670418e67dc","status":"affected","version":"b338d91703fae6f6afd67f3f75caa3b8f36ddef3","versionType":"git"},{"lessThan":"3c742feda8fcabf741a17bcf668b63c8f606f9c5","status":"affected","version":"b338d91703fae6f6afd67f3f75caa3b8f36ddef3","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":"6.1"},{"lessThan":"6.1","status":"unaffected","version":"0","versionType":"semver"},{"lessThanOrEqual":"6.1.*","status":"unaffected","version":"6.1.188","versionType":"semver"},{"lessThanOrEqual":"6.6.*","status":"unaffected","version":"6.6.157","versionType":"semver"},{"lessThanOrEqual":"6.12.*","status":"unaffected","version":"6.12.110","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-rc1","versionType":"original_commit_for_fix"}]}],"cpeApplicability":[{"nodes":[{"cpeMatch":[{"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionEndExcluding":"6.1.188","versionStartIncluding":"6.1","vulnerable":true},{"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionEndExcluding":"6.6.157","versionStartIncluding":"6.1","vulnerable":true},{"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionEndExcluding":"6.12.110","versionStartIncluding":"6.1","vulnerable":true},{"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionEndExcluding":"6.18.52","versionStartIncluding":"6.1","vulnerable":true},{"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionEndExcluding":"7.2.6","versionStartIncluding":"6.1","vulnerable":true},{"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionEndExcluding":"7.3-rc1","versionStartIncluding":"6.1","vulnerable":true}],"negate":false,"operator":"OR"}]}],"descriptions":[{"lang":"en","value":"In the Linux kernel, the following vulnerability has been resolved:\n\nBluetooth: MGMT: free the mesh send cancel command when it is cancelled\n\nmesh_send_cancel() queues the pending command with a NULL destroy\ncallback, so it is only freed if send_cancel() runs. A cancelled entry is\nleaked, as _hci_cmd_sync_cancel_entry() does not release entry->data when\nthere is no destroy callback, and hci_cmd_sync_clear() cancels every\npending entry when the controller is unregistered. Nothing else reclaims\nit 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."}],"providerMetadata":{"dateUpdated":"2026-09-17T16:07:53.435Z","orgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","shortName":"Linux"},"references":[{"url":"https://git.kernel.org/stable/c/b609341ee56967d9a45845ff26f79336d2114b55"},{"url":"https://git.kernel.org/stable/c/416fabca9b7237b76aa9cafcf8c497b8ac00d88c"},{"url":"https://git.kernel.org/stable/c/88e30d036d777b00aed42bd35000de23ff40910c"},{"url":"https://git.kernel.org/stable/c/05438d338a875a9daa08ca3f6a35b4480cf13de4"},{"url":"https://git.kernel.org/stable/c/fa46d428c014e7b72a18634679815670418e67dc"},{"url":"https://git.kernel.org/stable/c/3c742feda8fcabf741a17bcf668b63c8f606f9c5"}],"title":"Bluetooth: MGMT: free the mesh send cancel command when it is cancelled","x_generator":{"engine":"bippy-1.2.0"}}},"cveMetadata":{"assignerOrgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","assignerShortName":"Linux","cveId":"CVE-2026-90253","datePublished":"2026-09-17T16:07:53.435Z","dateReserved":"2026-09-11T19:38:34.796Z","dateUpdated":"2026-09-17T16:07:53.435Z","state":"PUBLISHED"},"dataType":"CVE_RECORD","dataVersion":"5.2"},"nvd":{"publishedDate":"2026-09-17 17:17:21","lastModifiedDate":"2026-09-17 17:17:21","problem_types":[],"metrics":[],"configurations":[]},"legacy_mitre":{"record":{"CveYear":"2026","CveId":"90253","Ordinal":"1","Title":"Bluetooth: MGMT: free the mesh send cancel command when it is ca","CVE":"CVE-2026-90253","Year":"2026"},"notes":[{"CveYear":"2026","CveId":"90253","Ordinal":"1","NoteData":"In the Linux kernel, the following vulnerability has been resolved:\n\nBluetooth: MGMT: free the mesh send cancel command when it is cancelled\n\nmesh_send_cancel() queues the pending command with a NULL destroy\ncallback, so it is only freed if send_cancel() runs. A cancelled entry is\nleaked, as _hci_cmd_sync_cancel_entry() does not release entry->data when\nthere is no destroy callback, and hci_cmd_sync_clear() cancels every\npending entry when the controller is unregistered. Nothing else reclaims\nit 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.","Type":"Description","Title":"Bluetooth: MGMT: free the mesh send cancel command when it is ca"}]}}}