CVE-2022-50447

{"dataType": "CVE_RECORD", "dataVersion": "5.2", "cveMetadata": {"cveId": "CVE-2022-50447", "assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "state": "PUBLISHED", "assignerShortName": "Linux", "dateReserved": "2025-09-17T14:53:07.011Z", "datePublished": "2025-10-01T11:45:21.804Z", "dateUpdated": "2026-05-11T19:19:40.253Z"}, "containers": {"cna": {"providerMetadata": {"orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "shortName": "Linux", "dateUpdated": "2026-05-11T19:19:40.253Z"}, "descriptions": [{"lang": "en", "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nBluetooth: hci_conn: Fix crash on hci_create_cis_sync\n\nWhen attempting to connect multiple ISO sockets without using\nDEFER_SETUP may result in the following crash:\n\nBUG: KASAN: null-ptr-deref in hci_create_cis_sync+0x18b/0x2b0\nRead of size 2 at addr 0000000000000036 by task kworker/u3:1/50\n\nCPU: 0 PID: 50 Comm: kworker/u3:1 Not tainted\n6.0.0-rc7-02243-gb84a13ff4eda #4373\nHardware name: QEMU Standard PC (Q35 + ICH9, 2009),\nBIOS 1.16.0-1.fc36 04/01/2014\nWorkqueue: hci0 hci_cmd_sync_work\nCall Trace:\n <TASK>\n dump_stack_lvl+0x19/0x27\n kasan_report+0xbc/0xf0\n ? hci_create_cis_sync+0x18b/0x2b0\n hci_create_cis_sync+0x18b/0x2b0\n ? get_link_mode+0xd0/0xd0\n ? __ww_mutex_lock_slowpath+0x10/0x10\n ? mutex_lock+0xe0/0xe0\n ? get_link_mode+0xd0/0xd0\n hci_cmd_sync_work+0x111/0x190\n process_one_work+0x427/0x650\n worker_thread+0x87/0x750\n ? process_one_work+0x650/0x650\n kthread+0x14e/0x180\n ? kthread_exit+0x50/0x50\n ret_from_fork+0x22/0x30\n </TASK>"}], "affected": [{"product": "Linux", "vendor": "Linux", "defaultStatus": "unaffected", "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "programFiles": ["net/bluetooth/hci_conn.c"], "versions": [{"version": "26afbd826ee326e63a334c37fd45e82e50a615ec", "lessThan": "a190cd9dc62d6ebeb679c1abe9dda4162dfefc84", "status": "affected", "versionType": "git"}, {"version": "26afbd826ee326e63a334c37fd45e82e50a615ec", "lessThan": "09a3b0c9c7c6b10587fbb610b718014703cff341", "status": "affected", "versionType": "git"}, {"version": "26afbd826ee326e63a334c37fd45e82e50a615ec", "lessThan": "50757a259ba78c4e938b5735e76ffec6cd0c942e", "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/hci_conn.c"], "versions": [{"version": "6.0", "status": "affected"}, {"version": "0", "lessThan": "6.0", "status": "unaffected", "versionType": "semver"}, {"version": "6.0.16", "lessThanOrEqual": "6.0.*", "status": "unaffected", "versionType": "semver"}, {"version": "6.1.2", "lessThanOrEqual": "6.1.*", "status": "unaffected", "versionType": "semver"}, {"version": "6.2", "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": "6.0.16"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "6.0", "versionEndExcluding": "6.1.2"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "6.0", "versionEndExcluding": "6.2"}]}]}], "references": [{"url": "https://git.kernel.org/stable/c/a190cd9dc62d6ebeb679c1abe9dda4162dfefc84"}, {"url": "https://git.kernel.org/stable/c/09a3b0c9c7c6b10587fbb610b718014703cff341"}, {"url": "https://git.kernel.org/stable/c/50757a259ba78c4e938b5735e76ffec6cd0c942e"}], "title": "Bluetooth: hci_conn: Fix crash on hci_create_cis_sync", "x_generator": {"engine": "bippy-1.2.0"}}}}

{}

{"affected": [{"affectedData": [{"defaultStatus": "unaffected", "product": "Linux", "programFiles": ["net/bluetooth/hci_conn.c"], "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "vendor": "Linux", "versions": [{"lessThan": "a190cd9dc62d6ebeb679c1abe9dda4162dfefc84", "status": "affected", "version": "26afbd826ee326e63a334c37fd45e82e50a615ec", "versionType": "git"}, {"lessThan": "09a3b0c9c7c6b10587fbb610b718014703cff341", "status": "affected", "version": "26afbd826ee326e63a334c37fd45e82e50a615ec", "versionType": "git"}, {"lessThan": "50757a259ba78c4e938b5735e76ffec6cd0c942e", "status": "affected", "version": "26afbd826ee326e63a334c37fd45e82e50a615ec", "versionType": "git"}]}, {"defaultStatus": "affected", "product": "Linux", "programFiles": ["net/bluetooth/hci_conn.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": "6.0.*", "status": "unaffected", "version": "6.0.16", "versionType": "semver"}, {"lessThanOrEqual": "6.1.*", "status": "unaffected", "version": "6.1.2", "versionType": "semver"}, {"lessThanOrEqual": "*", "status": "unaffected", "version": "6.2", "versionType": "original_commit_for_fix"}]}], "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"}], "configurations": [{"nodes": [{"cpeMatch": [{"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "matchCriteriaId": "244AA205-5BCB-44F8-AF67-88948D20190C", "versionEndExcluding": "6.0.16", "versionStartIncluding": "6.0", "vulnerable": true}, {"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "matchCriteriaId": "77239F4B-6BB2-4B9E-A654-36A52396116C", "versionEndExcluding": "6.1.2", "versionStartIncluding": "6.1", "vulnerable": true}], "negate": false, "operator": "OR"}]}], "cveTags": [], "descriptions": [{"lang": "en", "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nBluetooth: hci_conn: Fix crash on hci_create_cis_sync\n\nWhen attempting to connect multiple ISO sockets without using\nDEFER_SETUP may result in the following crash:\n\nBUG: KASAN: null-ptr-deref in hci_create_cis_sync+0x18b/0x2b0\nRead of size 2 at addr 0000000000000036 by task kworker/u3:1/50\n\nCPU: 0 PID: 50 Comm: kworker/u3:1 Not tainted\n6.0.0-rc7-02243-gb84a13ff4eda #4373\nHardware name: QEMU Standard PC (Q35 + ICH9, 2009),\nBIOS 1.16.0-1.fc36 04/01/2014\nWorkqueue: hci0 hci_cmd_sync_work\nCall Trace:\n <TASK>\n dump_stack_lvl+0x19/0x27\n kasan_report+0xbc/0xf0\n ? hci_create_cis_sync+0x18b/0x2b0\n hci_create_cis_sync+0x18b/0x2b0\n ? get_link_mode+0xd0/0xd0\n ? __ww_mutex_lock_slowpath+0x10/0x10\n ? mutex_lock+0xe0/0xe0\n ? get_link_mode+0xd0/0xd0\n hci_cmd_sync_work+0x111/0x190\n process_one_work+0x427/0x650\n worker_thread+0x87/0x750\n ? process_one_work+0x650/0x650\n kthread+0x14e/0x180\n ? kthread_exit+0x50/0x50\n ret_from_fork+0x22/0x30\n </TASK>"}], "id": "CVE-2022-50447", "lastModified": "2026-06-17T05:23:34.607", "metrics": {"cvssMetricV31": [{"cvssData": {"attackComplexity": "LOW", "attackVector": "LOCAL", "availabilityImpact": "HIGH", "baseScore": 5.5, "baseSeverity": "MEDIUM", "confidentialityImpact": "NONE", "integrityImpact": "NONE", "privilegesRequired": "LOW", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H", "version": "3.1"}, "exploitabilityScore": 1.8, "impactScore": 3.6, "source": "nvd@nist.gov", "type": "Primary"}]}, "published": "2025-10-01T12:15:37.177", "references": [{"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/09a3b0c9c7c6b10587fbb610b718014703cff341"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/50757a259ba78c4e938b5735e76ffec6cd0c942e"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/a190cd9dc62d6ebeb679c1abe9dda4162dfefc84"}], "sourceIdentifier": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "vulnStatus": "Analyzed", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-476"}], "source": "nvd@nist.gov", "type": "Primary"}]}

{"bugzilla": {"description": "kernel: Bluetooth: hci_conn: Fix crash on hci_create_cis_sync", "id": "2400804", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2400804"}, "csaw": false, "cvss3": {"cvss3_base_score": "7.0", "cvss3_scoring_vector": "CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H", "status": "draft"}, "details": ["No description is available for this CVE."], "name": "CVE-2022-50447", "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": "Out of support scope", "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": "Affected", "package_name": "kernel", "product_name": "Red Hat Enterprise Linux 9"}, {"cpe": "cpe:/o:redhat:enterprise_linux:9", "fix_state": "Affected", "package_name": "kernel-rt", "product_name": "Red Hat Enterprise Linux 9"}, {"cpe": "cpe:/o:redhat:rhivos:1", "fix_state": "Not affected", "package_name": "kernel", "product_name": "Red Hat In-Vehicle Operating System 1"}], "public_date": "2025-10-01T00:00:00Z", "references": ["https://www.cve.org/CVERecord?id=CVE-2022-50447\nhttps://nvd.nist.gov/vuln/detail/CVE-2022-50447\nhttps://lore.kernel.org/linux-cve-announce/2025100115-CVE-2022-50447-4de6@gregkh/T"], "threat_severity": "Moderate"}

{"created": "2025-10-02T08:39:41.898055+00:00", "updated": "2025-10-02T08:39:41.898111+00:00", "vendors": ["linux", "linux$PRODUCT$linux_kernel"]}