{"dataType": "CVE_RECORD", "dataVersion": "5.1", "cveMetadata": {"cveId": "CVE-2022-49962", "assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "state": "PUBLISHED", "assignerShortName": "Linux", "dateReserved": "2025-06-18T10:57:27.383Z", "datePublished": "2025-06-18T11:00:23.321Z", "dateUpdated": "2025-06-18T11:00:23.321Z"}, "containers": {"cna": {"providerMetadata": {"orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "shortName": "Linux", "dateUpdated": "2025-06-18T11:00:23.321Z"}, "descriptions": [{"lang": "en", "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nxhci: Fix null pointer dereference in remove if xHC has only one roothub\n\nThe remove path in xhci platform driver tries to remove and put both main\nand shared hcds even if only a main hcd exists (one roothub)\n\nThis causes a null pointer dereference in reboot for those controllers.\n\nCheck that the shared_hcd exists before trying to remove it."}], "affected": [{"product": "Linux", "vendor": "Linux", "defaultStatus": "unaffected", "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "programFiles": ["drivers/usb/host/xhci-plat.c"], "versions": [{"version": "e0fe986972f5b6b12086c73569206dd29c520be9", "lessThan": "7081b2f34ff291ada012bd6abacaf7d51c4cf73f", "status": "affected", "versionType": "git"}, {"version": "e0fe986972f5b6b12086c73569206dd29c520be9", "lessThan": "4a593a62a9e3a25ab4bc37f612e4edec144f7f43", "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/usb/host/xhci-plat.c"], "versions": [{"version": "5.19", "status": "affected"}, {"version": "0", "lessThan": "5.19", "status": "unaffected", "versionType": "semver"}, {"version": "5.19.8", "lessThanOrEqual": "5.19.*", "status": "unaffected", "versionType": "semver"}, {"version": "6.0", "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": "5.19", "versionEndExcluding": "5.19.8"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "5.19", "versionEndExcluding": "6.0"}]}]}], "references": [{"url": "https://git.kernel.org/stable/c/7081b2f34ff291ada012bd6abacaf7d51c4cf73f"}, {"url": "https://git.kernel.org/stable/c/4a593a62a9e3a25ab4bc37f612e4edec144f7f43"}], "title": "xhci: Fix null pointer dereference in remove if xHC has only one roothub", "x_generator": {"engine": "bippy-1.2.0"}}}}

{}

{"configurations": [{"nodes": [{"cpeMatch": [{"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "matchCriteriaId": "9E795B3E-4D62-43FD-B109-481E9CF5C069", "versionEndExcluding": "5.19.8", "versionStartIncluding": "5.19", "vulnerable": true}, {"criteria": "cpe:2.3:o:linux:linux_kernel:6.0:rc1:*:*:*:*:*:*", "matchCriteriaId": "E8BD11A3-8643-49B6-BADE-5029A0117325", "vulnerable": true}, {"criteria": "cpe:2.3:o:linux:linux_kernel:6.0:rc2:*:*:*:*:*:*", "matchCriteriaId": "5F0AD220-F6A9-4012-8636-155F1B841FAD", "vulnerable": true}, {"criteria": "cpe:2.3:o:linux:linux_kernel:6.0:rc3:*:*:*:*:*:*", "matchCriteriaId": "A46498B3-78E1-4623-AAE1-94D29A42BE4E", "vulnerable": true}], "negate": false, "operator": "OR"}]}], "cveTags": [], "descriptions": [{"lang": "en", "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nxhci: Fix null pointer dereference in remove if xHC has only one roothub\n\nThe remove path in xhci platform driver tries to remove and put both main\nand shared hcds even if only a main hcd exists (one roothub)\n\nThis causes a null pointer dereference in reboot for those controllers.\n\nCheck that the shared_hcd exists before trying to remove it."}, {"lang": "es", "value": "En el kernel de Linux, se ha resuelto la siguiente vulnerabilidad: xhci: Se corrige la desreferencia de puntero nulo al eliminar si xHC solo tiene un concentrador ra\u00edz. La ruta de eliminaci\u00f3n en el controlador de la plataforma xhci intenta eliminar e instalar los discos duros principal y compartido, incluso si solo existe un disco duro principal (un concentrador ra\u00edz). Esto provoca una desreferencia de puntero nulo al reiniciar esos controladores. Compruebe que el disco duro compartido exista antes de intentar eliminarlo."}], "id": "CVE-2022-49962", "lastModified": "2025-11-14T18:08:57.560", "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": "2025-06-18T11:15:23.457", "references": [{"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/4a593a62a9e3a25ab4bc37f612e4edec144f7f43"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/7081b2f34ff291ada012bd6abacaf7d51c4cf73f"}], "sourceIdentifier": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "vulnStatus": "Analyzed", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-476"}], "source": "nvd@nist.gov", "type": "Primary"}]}

{"bugzilla": {"description": "kernel: xhci: Fix null pointer dereference in remove if xHC has only one roothub", "id": "2373582", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2373582"}, "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": ["In the Linux kernel, the following vulnerability has been resolved:\nxhci: Fix null pointer dereference in remove if xHC has only one roothub\nThe remove path in xhci platform driver tries to remove and put both main\nand shared hcds even if only a main hcd exists (one roothub)\nThis causes a null pointer dereference in reboot for those controllers.\nCheck that the shared_hcd exists before trying to remove it."], "name": "CVE-2022-49962", "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": "Under investigation", "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": "2025-06-18T00:00:00Z", "references": ["https://www.cve.org/CVERecord?id=CVE-2022-49962\nhttps://nvd.nist.gov/vuln/detail/CVE-2022-49962\nhttps://lore.kernel.org/linux-cve-announce/2025061814-CVE-2022-49962-aced@gregkh/T"], "threat_severity": "Moderate"}

{"created": "2025-06-23T08:45:30.254265+00:00", "updated": "2025-06-23T08:45:30.254345+00:00", "vendors": ["linux", "linux$PRODUCT$linux_kernel"]}