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{"configurations": [{"nodes": [{"cpeMatch": [{"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "matchCriteriaId": "B8FA3E85-636B-49C2-A20E-7B2542B4BA1A", "versionEndExcluding": "5.2.10", "vulnerable": true}], "negate": false, "operator": "OR"}]}], "cveTags": [], "descriptions": [{"lang": "en", "value": "In the Linux kernel before 5.2.10, there is a race condition bug that can be caused by a malicious USB device in the USB character device driver layer, aka CID-303911cfc5b9. This affects drivers/usb/core/file.c."}, {"lang": "es", "value": "En el kernel de Linux versiones anteriores a 5.2.10, se presenta un bug de condici\u00f3n de carrera que puede ser causado por un dispositivo USB malicioso en la capa del controlador del dispositivo de caracteres USB, tambi\u00e9n se conoce como CID-303911cfc5b9. Esto afecta al archivo drivers/usb/core/file.c."}], "id": "CVE-2019-19537", "lastModified": "2020-01-18T07:15:15.017", "metrics": {"cvssMetricV2": [{"acInsufInfo": false, "baseSeverity": "MEDIUM", "cvssData": {"accessComplexity": "MEDIUM", "accessVector": "LOCAL", "authentication": "NONE", "availabilityImpact": "COMPLETE", "baseScore": 4.7, "confidentialityImpact": "NONE", "integrityImpact": "NONE", "vectorString": "AV:L/AC:M/Au:N/C:N/I:N/A:C", "version": "2.0"}, "exploitabilityScore": 3.4, "impactScore": 6.9, "obtainAllPrivilege": false, "obtainOtherPrivilege": false, "obtainUserPrivilege": false, "source": "nvd@nist.gov", "type": "Primary", "userInteractionRequired": false}], "cvssMetricV31": [{"cvssData": {"attackComplexity": "HIGH", "attackVector": "PHYSICAL", "availabilityImpact": "HIGH", "baseScore": 4.2, "baseSeverity": "MEDIUM", "confidentialityImpact": "NONE", "integrityImpact": "NONE", "privilegesRequired": "NONE", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:P/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:H", "version": "3.1"}, "exploitabilityScore": 0.5, "impactScore": 3.6, "source": "nvd@nist.gov", "type": "Primary"}]}, "published": "2019-12-03T16:15:13.627", "references": [{"source": "cve@mitre.org", "url": "http://lists.opensuse.org/opensuse-security-announce/2020-03/msg00021.html"}, {"source": "cve@mitre.org", "tags": ["Mailing List", "Third Party Advisory"], "url": "http://www.openwall.com/lists/oss-security/2019/12/03/4"}, {"source": "cve@mitre.org", "tags": ["Issue Tracking", "Vendor Advisory"], "url": "https://cdn.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.2.10"}, {"source": "cve@mitre.org", "tags": ["Patch", "Vendor Advisory"], "url": "https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=303911cfc5b95d33687d9046133ff184cf5043ff"}, {"source": "cve@mitre.org", "url": "https://lists.debian.org/debian-lts-announce/2020/01/msg00013.html"}, {"source": "cve@mitre.org", "url": "https://lists.debian.org/debian-lts-announce/2020/03/msg00001.html"}], "sourceIdentifier": "cve@mitre.org", "vulnStatus": "Modified", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-362"}], "source": "nvd@nist.gov", "type": "Primary"}]}

{"affected_release": [{"advisory": "RHSA-2020:4062", "cpe": "cpe:/a:redhat:rhel_extras_rt:7", "package": "kernel-rt-0:3.10.0-1160.rt56.1131.el7", "product_name": "Red Hat Enterprise Linux 7", "release_date": "2020-09-29T00:00:00Z"}, {"advisory": "RHSA-2020:4060", "cpe": "cpe:/o:redhat:enterprise_linux:7", "package": "kernel-0:3.10.0-1160.el7", "product_name": "Red Hat Enterprise Linux 7", "release_date": "2020-09-29T00:00:00Z"}, {"advisory": "RHSA-2020:4609", "cpe": "cpe:/a:redhat:enterprise_linux:8::nfv", "package": "kernel-rt-0:4.18.0-240.rt7.54.el8", "product_name": "Red Hat Enterprise Linux 8", "release_date": "2020-11-04T00:00:00Z"}, {"advisory": "RHSA-2020:4431", "cpe": "cpe:/o:redhat:enterprise_linux:8", "package": "kernel-0:4.18.0-240.el8", "product_name": "Red Hat Enterprise Linux 8", "release_date": "2020-11-04T00:00:00Z"}], "bugzilla": {"description": "kernel: race condition caused by a malicious USB device in the USB character device driver layer", "id": "1783561", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=1783561"}, "csaw": false, "cvss3": {"cvss3_base_score": "4.2", "cvss3_scoring_vector": "CVSS:3.1/AV:P/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:H", "status": "verified"}, "cwe": "CWE-362", "details": ["In the Linux kernel before 5.2.10, there is a race condition bug that can be caused by a malicious USB device in the USB character device driver layer, aka CID-303911cfc5b9. This affects drivers/usb/core/file.c.", "A flaw was found in the Linux kernel, where there is a race condition bug that can be caused by a malicious USB device in the USB character device driver layer. An attacker who can hotplug at least two devices of this class can cause a use-after-free situation."], "mitigation": {"lang": "en:us", "value": "Many Character devices can trigger this flaw as they leverage the lower levels of the USB subsystem.\nThe safest method that I have found would be to disable USB ports that are able to be attacked\nusing this method, disable them first by disallowing them from waking up from low-power states \nwith the command (Replace X with the port number available).\necho disabled >> /sys/bus/usb/devices/usbX/power/wakeup \nThe system must also disable the specific ports power after with the command:\necho suspend | sudo tee /sys/bus/usb/devices/usbX/power/level\nThis change not persist through system reboots and must be applied at each reboot to be effective."}, "name": "CVE-2019-19537", "package_state": [{"cpe": "cpe:/o:redhat:enterprise_linux:5", "fix_state": "Out of support scope", "package_name": "kernel", "product_name": "Red Hat Enterprise Linux 5"}, {"cpe": "cpe:/o:redhat:enterprise_linux:6", "fix_state": "Will not fix", "package_name": "kernel", "product_name": "Red Hat Enterprise Linux 6"}, {"cpe": "cpe:/o:redhat:enterprise_linux:7", "fix_state": "Will not fix", "package_name": "kernel-alt", "product_name": "Red Hat Enterprise Linux 7"}, {"cpe": "cpe:/a:redhat:enterprise_mrg:2", "fix_state": "Will not fix", "package_name": "kernel-rt", "product_name": "Red Hat Enterprise MRG 2"}], "public_date": "2019-08-12T00:00:00Z", "references": ["https://www.cve.org/CVERecord?id=CVE-2019-19537\nhttps://nvd.nist.gov/vuln/detail/CVE-2019-19537"], "threat_severity": "Moderate"}