CVE-2022-50374

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does not\ncall percpu_free_rwsem()."}], "affected": [{"product": "Linux", "vendor": "Linux", "defaultStatus": "unaffected", "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "programFiles": ["drivers/bluetooth/hci_ldisc.c", "drivers/bluetooth/hci_serdev.c"], "versions": [{"version": "67d2f8781b9f00d1089aafcfa3dc09fcd0f343e2", "lessThan": "d7cc0d51ffcbfd1caaa809fcf9cff05c46d0fb4d", "status": "affected", "versionType": "git"}, {"version": "67d2f8781b9f00d1089aafcfa3dc09fcd0f343e2", "lessThan": "b8917dce2134739b39bc0a5648b18427f2cad569", "status": "affected", "versionType": "git"}, {"version": "67d2f8781b9f00d1089aafcfa3dc09fcd0f343e2", "lessThan": "75b2c71ea581c7bb1303860d89366a42ad0506d2", "status": "affected", "versionType": "git"}, {"version": "67d2f8781b9f00d1089aafcfa3dc09fcd0f343e2", "lessThan": "98ce10f3f345e61fc6c83bff9cd11cda252b05ac", "status": "affected", "versionType": "git"}, {"version": "67d2f8781b9f00d1089aafcfa3dc09fcd0f343e2", "lessThan": 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called without rcu_sync_init() due to\nhci_uart_tty_open() ignoring percpu_init_rwsem() failure.\n\nWhile we are at it, fix that hci_uart_register_device() ignores\npercpu_init_rwsem() failure and hci_uart_unregister_device() does not\ncall percpu_free_rwsem()."}], "cpeApplicability": [{"nodes": [{"negate": false, "cpeMatch": [{"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "vulnerable": true, "versionEndExcluding": "5.10.150", "versionStartIncluding": "4.15"}, {"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "vulnerable": true, "versionEndExcluding": "5.15.75", "versionStartIncluding": "4.15"}, {"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "vulnerable": true, "versionEndExcluding": "5.19.17", "versionStartIncluding": "4.15"}, {"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "vulnerable": true, "versionEndExcluding": "6.0.3", "versionStartIncluding": "4.15"}, {"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "vulnerable": 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"id": "CVE-2022-50374", "lastModified": "2026-06-17T05:23:22.140", "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"}, {"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": 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"https://git.kernel.org/stable/c/b8917dce2134739b39bc0a5648b18427f2cad569"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/d7cc0d51ffcbfd1caaa809fcf9cff05c46d0fb4d"}], "sourceIdentifier": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "vulnStatus": "Modified", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-908"}], "source": "nvd@nist.gov", "type": "Primary"}, {"description": [{"lang": "en", "value": "CWE-908"}], "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "type": "Secondary"}]}

{"bugzilla": {"description": "kernel: Bluetooth: hci_{ldisc,serdev}: check percpu_init_rwsem() failure", "id": "2396106", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2396106"}, "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-2022-50374", "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": "Affected", "package_name": "kernel", "product_name": "Red Hat Enterprise Linux 8"}, {"cpe": "cpe:/o:redhat:enterprise_linux:8", "fix_state": "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"}], "public_date": "2025-09-17T00:00:00Z", "references": ["https://www.cve.org/CVERecord?id=CVE-2022-50374\nhttps://nvd.nist.gov/vuln/detail/CVE-2022-50374\nhttps://lore.kernel.org/linux-cve-announce/2025091717-CVE-2022-50374-6da4@gregkh/T"], "threat_severity": "Moderate"}

{"created": "2025-09-18T11:59:15.438168+00:00", "updated": "2025-09-18T11:59:15.438237+00:00", "vendors": ["linux", "linux$PRODUCT$linux_kernel"]}