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{"configurations": [{"nodes": [{"cpeMatch": [{"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "matchCriteriaId": "BB94C1F6-38C4-44F6-93E8-199096A6F86A", "versionEndExcluding": "5.6.1", "vulnerable": true}], "negate": false, "operator": "OR"}]}], "cveTags": [], "descriptions": [{"lang": "en", "value": "In the Linux kernel before 5.6.1, drivers/media/usb/gspca/xirlink_cit.c (aka the Xirlink camera USB driver) mishandles invalid descriptors, aka CID-a246b4d54770."}, {"lang": "es", "value": "En el archivo drivers/media/usb/gspca/xirlink_cit.c de kernel de Linux versiones anteriores a 5.6.1, (tambi\u00e9n se conoce como el controlador USB de la c\u00e1mara Xirlink) maneja inapropiadamente los descriptores no v\u00e1lidos, tambi\u00e9n se conoce como CID-a246b4d54770."}], "id": "CVE-2020-11668", "lastModified": "2020-06-10T20:15:13.327", "metrics": {"cvssMetricV2": [{"acInsufInfo": false, "baseSeverity": "MEDIUM", "cvssData": {"accessComplexity": "LOW", "accessVector": "LOCAL", "authentication": "NONE", "availabilityImpact": "COMPLETE", "baseScore": 5.6, "confidentialityImpact": "NONE", "integrityImpact": "PARTIAL", "vectorString": "AV:L/AC:L/Au:N/C:N/I:P/A:C", "version": "2.0"}, "exploitabilityScore": 3.9, "impactScore": 7.8, "obtainAllPrivilege": false, "obtainOtherPrivilege": false, "obtainUserPrivilege": false, "source": "nvd@nist.gov", "type": "Primary", "userInteractionRequired": false}], "cvssMetricV31": [{"cvssData": {"attackComplexity": "LOW", "attackVector": "LOCAL", "availabilityImpact": "HIGH", "baseScore": 7.1, "baseSeverity": "HIGH", "confidentialityImpact": "NONE", "integrityImpact": "HIGH", "privilegesRequired": "LOW", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:H", "version": "3.1"}, "exploitabilityScore": 1.8, "impactScore": 5.2, "source": "nvd@nist.gov", "type": "Primary"}]}, "published": "2020-04-09T21:15:15.327", "references": [{"source": "cve@mitre.org", "tags": ["Release Notes", "Vendor Advisory"], "url": "https://cdn.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.6.1"}, {"source": "cve@mitre.org", "tags": ["Patch", "Vendor Advisory"], "url": "https://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=a246b4d547708f33ff4d4b9a7a5dbac741dc89d8"}, {"source": "cve@mitre.org", "tags": ["Patch", "Vendor Advisory"], "url": "https://github.com/torvalds/linux/commit/a246b4d547708f33ff4d4b9a7a5dbac741dc89d8"}, {"source": "cve@mitre.org", "url": "https://lists.debian.org/debian-lts-announce/2020/06/msg00011.html"}, {"source": "cve@mitre.org", "url": "https://lists.debian.org/debian-lts-announce/2020/06/msg00012.html"}, {"source": "cve@mitre.org", "url": "https://lists.debian.org/debian-lts-announce/2020/06/msg00013.html"}, {"source": "cve@mitre.org", "url": "https://security.netapp.com/advisory/ntap-20200430-0004/"}, {"source": "cve@mitre.org", "url": "https://usn.ubuntu.com/4345-1/"}, {"source": "cve@mitre.org", "url": "https://usn.ubuntu.com/4364-1/"}, {"source": "cve@mitre.org", "url": "https://usn.ubuntu.com/4368-1/"}, {"source": "cve@mitre.org", "url": "https://usn.ubuntu.com/4369-1/"}, {"source": "cve@mitre.org", "url": "https://www.debian.org/security/2020/dsa-4698"}], "sourceIdentifier": "cve@mitre.org", "vulnStatus": "Modified", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-476"}], "source": "nvd@nist.gov", "type": "Primary"}]}

{"affected_release": [{"advisory": "RHSA-2021:2726", "cpe": "cpe:/a:redhat:rhel_extras_rt:7", "package": "kernel-rt-0:3.10.0-1160.36.2.rt56.1179.el7", "product_name": "Red Hat Enterprise Linux 7", "release_date": "2021-07-21T00:00:00Z"}, {"advisory": "RHSA-2021:2725", "cpe": "cpe:/o:redhat:enterprise_linux:7", "package": "kernel-0:3.10.0-1160.36.2.el7", "product_name": "Red Hat Enterprise Linux 7", "release_date": "2021-07-21T00:00:00Z"}, {"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: mishandles invalid descriptors in drivers/media/usb/gspca/xirlink_cit.c", "id": "1824792", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=1824792"}, "csaw": false, "cvss3": {"cvss3_base_score": "7.1", "cvss3_scoring_vector": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:H", "status": "verified"}, "cwe": "CWE-20->CWE-476", "details": ["In the Linux kernel before 5.6.1, drivers/media/usb/gspca/xirlink_cit.c (aka the Xirlink camera USB driver) mishandles invalid descriptors, aka CID-a246b4d54770.", "A NULL pointer dereference flaw was found in the Xirlink camera USB driver 'xirlink-cit' in the Linux kernel. The driver mishandles invalid descriptors leading to a denial-of-service (DoS). This could allow a local attacker with user privilege to crash the system or leak kernel internal information."], "mitigation": {"lang": "en:us", "value": "Mitigation for this issue is to skip loading the affected module 'xirlink-cit' onto the system till we have a fix available, this can be done by a blacklist mechanism, this will ensure the driver is not loaded at the boot time.\n~~~\nHow do I blacklist a kernel module to prevent it from loading automatically?\nhttps://access.redhat.com/solutions/41278 \n~~~"}, "name": "CVE-2020-11668", "package_state": [{"cpe": "cpe:/o:redhat:enterprise_linux:5", "fix_state": "Not affected", "package_name": "kernel", "product_name": "Red Hat Enterprise Linux 5"}, {"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": "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": "2020-01-03T00:00:00Z", "references": ["https://www.cve.org/CVERecord?id=CVE-2020-11668\nhttps://nvd.nist.gov/vuln/detail/CVE-2020-11668"], "threat_severity": "Moderate"}