{ "id": "CVE-2020-27152", "sourceIdentifier": "cve@mitre.org", "published": "2020-11-06T08:15:13.673", "lastModified": "2024-11-21T05:20:47.310", "vulnStatus": "Modified", "cveTags": [], "descriptions": [ { "lang": "en", "value": "An issue was discovered in ioapic_lazy_update_eoi in arch/x86/kvm/ioapic.c in the Linux kernel before 5.9.2. It has an infinite loop related to improper interaction between a resampler and edge triggering, aka CID-77377064c3a9." }, { "lang": "es", "value": "Se detect\u00f3 un problema en la funci\u00f3n ioapic_lazy_update_eoi en el archivo arch/x86/kvm/ioapic.c en el kernel de Linux versiones anteriores a 5.9.2. Presenta un bucle infinito relacionado con la interacci\u00f3n inapropiada entre el remuestreador y la activaci\u00f3n de borde, tambi\u00e9n se conoce como CID-77377064c3a9" } ], "metrics": { "cvssMetricV31": [ { "source": "nvd@nist.gov", "type": "Primary", "cvssData": { "version": "3.1", "vectorString": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H", "baseScore": 5.5, "baseSeverity": "MEDIUM", "attackVector": "LOCAL", "attackComplexity": "LOW", "privilegesRequired": "LOW", "userInteraction": "NONE", "scope": "UNCHANGED", "confidentialityImpact": "NONE", "integrityImpact": "NONE", "availabilityImpact": "HIGH" }, "exploitabilityScore": 1.8, "impactScore": 3.6 } ], "cvssMetricV2": [ { "source": "nvd@nist.gov", "type": "Primary", "cvssData": { "version": "2.0", "vectorString": "AV:L/AC:L/Au:N/C:N/I:N/A:P", "baseScore": 2.1, "accessVector": "LOCAL", "accessComplexity": "LOW", "authentication": "NONE", "confidentialityImpact": "NONE", "integrityImpact": "NONE", "availabilityImpact": "PARTIAL" }, "baseSeverity": "LOW", "exploitabilityScore": 3.9, "impactScore": 2.9, "acInsufInfo": false, "obtainAllPrivilege": false, "obtainUserPrivilege": false, "obtainOtherPrivilege": false, "userInteractionRequired": false } ] }, "weaknesses": [ { "source": "nvd@nist.gov", "type": "Primary", "description": [ { "lang": "en", "value": "CWE-835" } ] } ], "configurations": [ { "nodes": [ { "operator": "OR", "negate": false, "cpeMatch": [ { "vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionEndExcluding": "5.9.2", "matchCriteriaId": "08DF2136-654C-4FF9-86DF-E6A53286D8F5" } ] } ] } ], "references": [ { "url": "http://www.openwall.com/lists/oss-security/2020/11/03/1", "source": "cve@mitre.org", "tags": [ "Mailing List", "Patch", "Third Party Advisory" ] }, { "url": "https://bugzilla.kernel.org/show_bug.cgi?id=208767", "source": "cve@mitre.org", "tags": [ "Exploit", "Issue Tracking", "Third Party Advisory" ] }, { "url": "https://cdn.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.9.2", "source": "cve@mitre.org", "tags": [ "Mailing List", "Release Notes", "Vendor Advisory" ] }, { "url": "https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=77377064c3a94911339f13ce113b3abf265e06da", "source": "cve@mitre.org", "tags": [ "Mailing List", "Patch", "Vendor Advisory" ] }, { "url": "http://www.openwall.com/lists/oss-security/2020/11/03/1", "source": "af854a3a-2127-422b-91ae-364da2661108", "tags": [ "Mailing List", "Patch", "Third Party Advisory" ] }, { "url": "https://bugzilla.kernel.org/show_bug.cgi?id=208767", "source": "af854a3a-2127-422b-91ae-364da2661108", "tags": [ "Exploit", "Issue Tracking", "Third Party Advisory" ] }, { "url": "https://cdn.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.9.2", "source": "af854a3a-2127-422b-91ae-364da2661108", "tags": [ "Mailing List", "Release Notes", "Vendor Advisory" ] }, { "url": "https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=77377064c3a94911339f13ce113b3abf265e06da", "source": "af854a3a-2127-422b-91ae-364da2661108", "tags": [ "Mailing List", "Patch", "Vendor Advisory" ] } ] }