{"dataType": "CVE_RECORD", "dataVersion": "5.1", "cveMetadata": {"cveId": "CVE-2022-49200", "assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "state": "PUBLISHED", "assignerShortName": "Linux", "dateReserved": "2025-02-26T01:49:39.291Z", "datePublished": "2025-02-26T01:55:42.758Z", "dateUpdated": "2025-05-04T08:32:13.272Z"}, "containers": {"cna": {"providerMetadata": {"orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "shortName": "Linux", "dateUpdated": "2025-05-04T08:32:13.272Z"}, "descriptions": [{"lang": "en", "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nBluetooth: btmtksdio: Fix kernel oops in btmtksdio_interrupt\n\nFix the following kernel oops in btmtksdio_interrrupt\n\n[ 14.339134] btmtksdio_interrupt+0x28/0x54\n[ 14.339139] process_sdio_pending_irqs+0x68/0x1a0\n[ 14.339144] sdio_irq_work+0x40/0x70\n[ 14.339154] process_one_work+0x184/0x39c\n[ 14.339160] worker_thread+0x228/0x3e8\n[ 14.339168] kthread+0x148/0x3ac\n[ 14.339176] ret_from_fork+0x10/0x30\n\nThat happened because hdev->power_on is already called before\nsdio_set_drvdata which btmtksdio_interrupt handler relies on is not\nproperly set up.\n\nThe details are shown as the below: hci_register_dev would run\nqueue_work(hdev->req_workqueue, &hdev->power_on) as WQ_HIGHPRI\nworkqueue_struct to complete the power-on sequeunce and thus hci_power_on\nmay run before sdio_set_drvdata is done in btmtksdio_probe.\n\nThe hci_dev_do_open in hci_power_on would initialize the device and enable\nthe interrupt and thus it is possible that btmtksdio_interrupt is being\ncalled right before sdio_set_drvdata is filled out.\n\nWhen btmtksdio_interrupt is being called and sdio_set_drvdata is not filled\n, the kernel oops is going to happen because btmtksdio_interrupt access an\nuninitialized pointer."}], "affected": [{"product": "Linux", "vendor": "Linux", "defaultStatus": "unaffected", "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "programFiles": ["drivers/bluetooth/btmtksdio.c"], "versions": [{"version": "9aebfd4a2200ab8075e44379c758bccefdc589bb", "lessThan": "874eca93966a786eace87fa6dfb206c2dd9519b1", "status": "affected", "versionType": "git"}, {"version": "9aebfd4a2200ab8075e44379c758bccefdc589bb", "lessThan": "70a6cf749d9ff9f463490248322e5343199bc267", "status": "affected", "versionType": "git"}, {"version": "9aebfd4a2200ab8075e44379c758bccefdc589bb", "lessThan": "770a97d3f34b801de1b04737b43e02c55118c41a", "status": "affected", "versionType": "git"}, {"version": "9aebfd4a2200ab8075e44379c758bccefdc589bb", "lessThan": "4d3d1f2c35a19988d3c5f0ee86038b525e830840", "status": "affected", "versionType": "git"}, {"version": "9aebfd4a2200ab8075e44379c758bccefdc589bb", "lessThan": "6d7be5afbb41c918d2f12f857f8c7efa50500be2", "status": "affected", "versionType": "git"}, {"version": "9aebfd4a2200ab8075e44379c758bccefdc589bb", "lessThan": "b062a0b9c1dc1ff63094337dccfe1568d5b62023", "status": "affected", "versionType": "git"}]}, {"product": "Linux", "vendor": "Linux", "defaultStatus": "affected", "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "programFiles": ["drivers/bluetooth/btmtksdio.c"], "versions": [{"version": "5.2", "status": "affected"}, {"version": "0", "lessThan": "5.2", "status": "unaffected", "versionType": "semver"}, {"version": "5.4.189", "lessThanOrEqual": "5.4.*", "status": "unaffected", "versionType": "semver"}, {"version": "5.10.110", "lessThanOrEqual": "5.10.*", "status": "unaffected", "versionType": "semver"}, {"version": "5.15.33", "lessThanOrEqual": "5.15.*", "status": "unaffected", "versionType": "semver"}, {"version": "5.16.19", "lessThanOrEqual": "5.16.*", "status": "unaffected", "versionType": "semver"}, {"version": "5.17.2", "lessThanOrEqual": "5.17.*", "status": "unaffected", "versionType": "semver"}, {"version": "5.18", "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": "5.2", "versionEndExcluding": "5.4.189"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "5.2", "versionEndExcluding": "5.10.110"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "5.2", "versionEndExcluding": "5.15.33"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "5.2", "versionEndExcluding": "5.16.19"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "5.2", "versionEndExcluding": "5.17.2"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "5.2", "versionEndExcluding": "5.18"}]}]}], "references": [{"url": "https://git.kernel.org/stable/c/874eca93966a786eace87fa6dfb206c2dd9519b1"}, {"url": "https://git.kernel.org/stable/c/70a6cf749d9ff9f463490248322e5343199bc267"}, {"url": "https://git.kernel.org/stable/c/770a97d3f34b801de1b04737b43e02c55118c41a"}, {"url": "https://git.kernel.org/stable/c/4d3d1f2c35a19988d3c5f0ee86038b525e830840"}, {"url": "https://git.kernel.org/stable/c/6d7be5afbb41c918d2f12f857f8c7efa50500be2"}, {"url": "https://git.kernel.org/stable/c/b062a0b9c1dc1ff63094337dccfe1568d5b62023"}], "title": "Bluetooth: btmtksdio: Fix kernel oops in btmtksdio_interrupt", "x_generator": {"engine": "bippy-1.2.0"}}}}

{}

{"cveTags": [], "descriptions": [{"lang": "en", "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nBluetooth: btmtksdio: Fix kernel oops in btmtksdio_interrupt\n\nFix the following kernel oops in btmtksdio_interrrupt\n\n[ 14.339134] btmtksdio_interrupt+0x28/0x54\n[ 14.339139] process_sdio_pending_irqs+0x68/0x1a0\n[ 14.339144] sdio_irq_work+0x40/0x70\n[ 14.339154] process_one_work+0x184/0x39c\n[ 14.339160] worker_thread+0x228/0x3e8\n[ 14.339168] kthread+0x148/0x3ac\n[ 14.339176] ret_from_fork+0x10/0x30\n\nThat happened because hdev->power_on is already called before\nsdio_set_drvdata which btmtksdio_interrupt handler relies on is not\nproperly set up.\n\nThe details are shown as the below: hci_register_dev would run\nqueue_work(hdev->req_workqueue, &hdev->power_on) as WQ_HIGHPRI\nworkqueue_struct to complete the power-on sequeunce and thus hci_power_on\nmay run before sdio_set_drvdata is done in btmtksdio_probe.\n\nThe hci_dev_do_open in hci_power_on would initialize the device and enable\nthe interrupt and thus it is possible that btmtksdio_interrupt is being\ncalled right before sdio_set_drvdata is filled out.\n\nWhen btmtksdio_interrupt is being called and sdio_set_drvdata is not filled\n, the kernel oops is going to happen because btmtksdio_interrupt access an\nuninitialized pointer."}], "id": "CVE-2022-49200", "lastModified": "2025-02-26T07:00:57.067", "metrics": {}, "published": "2025-02-26T07:00:57.067", "references": [{"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/4d3d1f2c35a19988d3c5f0ee86038b525e830840"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/6d7be5afbb41c918d2f12f857f8c7efa50500be2"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/70a6cf749d9ff9f463490248322e5343199bc267"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/770a97d3f34b801de1b04737b43e02c55118c41a"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/874eca93966a786eace87fa6dfb206c2dd9519b1"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/b062a0b9c1dc1ff63094337dccfe1568d5b62023"}], "sourceIdentifier": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "vulnStatus": "Received"}

{"bugzilla": {"description": "kernel: Bluetooth: btmtksdio: Fix kernel oops in btmtksdio_interrupt", "id": "2347693", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2347693"}, "csaw": false, "cvss3": {"cvss3_base_score": "5.5", "cvss3_scoring_vector": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H", "status": "draft"}, "details": ["In the Linux kernel, the following vulnerability has been resolved:\nBluetooth: btmtksdio: Fix kernel oops in btmtksdio_interrupt\nFix the following kernel oops in btmtksdio_interrrupt\n[ 14.339134] btmtksdio_interrupt+0x28/0x54\n[ 14.339139] process_sdio_pending_irqs+0x68/0x1a0\n[ 14.339144] sdio_irq_work+0x40/0x70\n[ 14.339154] process_one_work+0x184/0x39c\n[ 14.339160] worker_thread+0x228/0x3e8\n[ 14.339168] kthread+0x148/0x3ac\n[ 14.339176] ret_from_fork+0x10/0x30\nThat happened because hdev->power_on is already called before\nsdio_set_drvdata which btmtksdio_interrupt handler relies on is not\nproperly set up.\nThe details are shown as the below: hci_register_dev would run\nqueue_work(hdev->req_workqueue, &hdev->power_on) as WQ_HIGHPRI\nworkqueue_struct to complete the power-on sequeunce and thus hci_power_on\nmay run before sdio_set_drvdata is done in btmtksdio_probe.\nThe hci_dev_do_open in hci_power_on would initialize the device and enable\nthe interrupt and thus it is possible that btmtksdio_interrupt is being\ncalled right before sdio_set_drvdata is filled out.\nWhen btmtksdio_interrupt is being called and sdio_set_drvdata is not filled\n, the kernel oops is going to happen because btmtksdio_interrupt access an\nuninitialized pointer."], "name": "CVE-2022-49200", "package_state": [{"cpe": "cpe:/o:redhat:enterprise_linux:10", "fix_state": "Not affected", "package_name": "kernel", "product_name": "Red Hat Enterprise Linux 10"}, {"cpe": "cpe:/o:redhat:enterprise_linux:6", "fix_state": "Not affected", "package_name": "kernel", "product_name": "Red Hat Enterprise Linux 6"}, {"cpe": "cpe:/o:redhat:enterprise_linux:7", "fix_state": "Not affected", "package_name": "kernel", "product_name": "Red Hat Enterprise Linux 7"}, {"cpe": "cpe:/o:redhat:enterprise_linux:7", "fix_state": "Not affected", "package_name": "kernel-rt", "product_name": "Red Hat Enterprise Linux 7"}, {"cpe": "cpe:/o:redhat:enterprise_linux:8", "fix_state": "Not affected", "package_name": "kernel", "product_name": "Red Hat Enterprise Linux 8"}, {"cpe": "cpe:/o:redhat:enterprise_linux:8", "fix_state": "Not affected", "package_name": "kernel-rt", "product_name": "Red Hat Enterprise Linux 8"}, {"cpe": "cpe:/o:redhat:enterprise_linux:9", "fix_state": "Not affected", "package_name": "kernel", "product_name": "Red Hat Enterprise Linux 9"}, {"cpe": "cpe:/o:redhat:enterprise_linux:9", "fix_state": "Not affected", "package_name": "kernel-rt", "product_name": "Red Hat Enterprise Linux 9"}], "public_date": "2025-02-26T00:00:00Z", "references": ["https://www.cve.org/CVERecord?id=CVE-2022-49200\nhttps://nvd.nist.gov/vuln/detail/CVE-2022-49200\nhttps://lore.kernel.org/linux-cve-announce/2025022617-CVE-2022-49200-54e9@gregkh/T"], "threat_severity": "Low"}