CVE-2022-4543

{"id": "CVE-2022-4543", "metrics": {"cvssMetricV31": [{"type": "Primary", "source": "nvd@nist.gov", "cvssData": {"scope": "UNCHANGED", "version": "3.1", "baseScore": 5.5, "attackVector": "LOCAL", "baseSeverity": "MEDIUM", "vectorString": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N", "integrityImpact": "NONE", "userInteraction": "NONE", "attackComplexity": "LOW", "availabilityImpact": "NONE", "privilegesRequired": "LOW", "confidentialityImpact": "HIGH"}, "impactScore": 3.6, "exploitabilityScore": 1.8}]}, "published": "2023-01-11T15:15:09.673", "references": [{"url": "https://www.openwall.com/lists/oss-security/2022/12/16/3", "tags": ["Exploit", "Mailing List", "Third Party Advisory"], "source": "secalert@redhat.com"}, {"url": "https://www.willsroot.io/2022/12/entrybleed.html", "tags": ["Exploit", "Third Party Advisory"], "source": "secalert@redhat.com"}, {"url": "https://www.openwall.com/lists/oss-security/2022/12/16/3", "tags": ["Exploit", "Mailing List", "Third Party Advisory"], "source": "af854a3a-2127-422b-91ae-364da2661108"}, {"url": "https://www.willsroot.io/2022/12/entrybleed.html", "tags": ["Exploit", "Third Party Advisory"], "source": "af854a3a-2127-422b-91ae-364da2661108"}], "vulnStatus": "Modified", "weaknesses": [{"type": "Secondary", "source": "secalert@redhat.com", "description": [{"lang": "en", "value": "CWE-200"}]}, {"type": "Primary", "source": "nvd@nist.gov", "description": [{"lang": "en", "value": "CWE-203"}]}], "descriptions": [{"lang": "en", "value": "A flaw named \"EntryBleed\" was found in the Linux Kernel Page Table Isolation (KPTI). This issue could allow a local attacker to leak KASLR base via prefetch side-channels based on TLB timing for Intel systems."}, {"lang": "es", "value": "Se encontr\u00f3 una falla denominada \"EntryBleed\" en el aislamiento de la tabla de p\u00e1ginas del kernel de Linux (KPTI). Este problema podr\u00eda permitir que un atacante local filtre la base KASLR a trav\u00e9s de canales laterales de captaci\u00f3n previa basados en la sincronizaci\u00f3n TLB para sistemas Intel."}], "lastModified": "2024-11-21T07:35:27.500", "configurations": [{"nodes": [{"negate": false, "cpeMatch": [{"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "155AD4FB-E527-4103-BCEF-801B653DEA37"}], "operator": "OR"}]}], "sourceIdentifier": "secalert@redhat.com"}