{"affected":[{"affectedData":[{"product":"Linux kernel","vendor":"n/a","versions":[{"status":"affected","version":"all versions"}]}],"source":"secalert@redhat.com"}],"configurations":[{"nodes":[{"cpeMatch":[{"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","matchCriteriaId":"155AD4FB-E527-4103-BCEF-801B653DEA37","vulnerable":true}],"negate":false,"operator":"OR"}]}],"cveTags":[],"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 encontró una falla denominada \"EntryBleed\" en el aislamiento de la tabla de páginas del kernel de Linux (KPTI). Este problema podría permitir que un atacante local filtre la base KASLR a través de canales laterales de captación previa basados en la sincronización TLB para sistemas Intel."}],"id":"CVE-2022-4543","lastModified":"2026-06-17T05:21:09.030","metrics":{"cvssMetricV31":[{"cvssData":{"attackComplexity":"LOW","attackVector":"LOCAL","availabilityImpact":"NONE","baseScore":5.5,"baseSeverity":"MEDIUM","confidentialityImpact":"HIGH","integrityImpact":"NONE","privilegesRequired":"LOW","scope":"UNCHANGED","userInteraction":"NONE","vectorString":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N","version":"3.1"},"exploitabilityScore":1.8,"impactScore":3.6,"source":"nvd@nist.gov","type":"Primary"},{"cvssData":{"attackComplexity":"LOW","attackVector":"LOCAL","availabilityImpact":"NONE","baseScore":5.5,"baseSeverity":"MEDIUM","confidentialityImpact":"HIGH","integrityImpact":"NONE","privilegesRequired":"LOW","scope":"UNCHANGED","userInteraction":"NONE","vectorString":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N","version":"3.1"},"exploitabilityScore":1.8,"impactScore":3.6,"source":"134c704f-9b21-4f2e-91b3-4a467353bcc0","type":"Secondary"}],"ssvcV203":[{"source":"134c704f-9b21-4f2e-91b3-4a467353bcc0","ssvcData":{"id":"CVE-2022-4543","options":[{"exploitation":"none"},{"automatable":"no"},{"technicalImpact":"partial"}],"role":"CISA Coordinator","timestamp":"2025-04-08T19:53:56.727764Z","version":"2.0.3"}}]},"published":"2023-01-11T15:15:09.673","references":[{"source":"secalert@redhat.com","tags":["Exploit","Mailing List","Third Party Advisory"],"url":"https://www.openwall.com/lists/oss-security/2022/12/16/3"},{"source":"secalert@redhat.com","tags":["Exploit","Third Party Advisory"],"url":"https://www.willsroot.io/2022/12/entrybleed.html"},{"source":"af854a3a-2127-422b-91ae-364da2661108","tags":["Exploit","Mailing List","Third Party Advisory"],"url":"https://www.openwall.com/lists/oss-security/2022/12/16/3"},{"source":"af854a3a-2127-422b-91ae-364da2661108","tags":["Exploit","Third Party Advisory"],"url":"https://www.willsroot.io/2022/12/entrybleed.html"}],"sourceIdentifier":"secalert@redhat.com","vulnStatus":"Modified","weaknesses":[{"description":[{"lang":"en","value":"CWE-200"}],"source":"secalert@redhat.com","type":"Secondary"},{"description":[{"lang":"en","value":"CWE-203"}],"source":"nvd@nist.gov","type":"Primary"}]}