[{"data":1,"prerenderedAt":-1},["ShallowReactive",2],{"$f7teTm_Y3g49pv2YWqBJt6NXLDxp08c9IsXEdTbX9Lgo":3,"g5a-risk:CVE-2021-36144":104},{"success":4,"data":5,"meta":102},true,{"cveId":6,"title":7,"description":8,"shortDescription":8,"publishedDate":9,"lastModified":10,"cvssScore":11,"cvssVector":12,"cvssMetrics":13,"epssScore":38,"epssPercentile":25,"epssTimeSeries":39,"severity":40,"affectedProducts":41,"affectedProductsCount":47,"references":48,"referencesCount":47,"weaknesses":55,"weaknessesCount":47,"isActivelyExploited":64,"cisaInfo":25,"otxData":25,"relatedBlogPosts":65,"seoMetadata":66,"configurations":91,"relatedVendorCves":100,"notableEvents":101},"CVE-2021-36144","What is CVE-2021-36144?","The polling timer handler in ACRN before 2.5 has a use-after-free for a freed virtio device, related to devicemodel\u002Fhw\u002Fpci\u002Fvirtio\u002F*.c.","2021-07-02T22:15:08.867","2021-07-08T18:13:10.44",7.5,"CVSS:3.1\u002FAV:N\u002FAC:L\u002FPR:N\u002FUI:N\u002FS:U\u002FC:N\u002FI:N\u002FA:H",{"CVSSMetricV31":14,"CVSSMetricV30":25,"CVSSMetricV2":28,"CVSSMetricV40":25},[15],{"Source":16,"Type":17,"CVSSData":18,"ExploitabilityScore":26,"ImpactScore":27},"nvd@nist.gov","Primary",{"Version":19,"VectorString":12,"AttackVector":20,"AttackComplexity":21,"PrivilegesRequired":22,"UserInteraction":22,"Scope":23,"ConfidentialityImpact":22,"IntegrityImpact":22,"AvailabilityImpact":24,"BaseScore":11,"BaseSeverity":24,"ExploitCodeMaturity":25,"RemediationLevel":25,"ReportConfidence":25,"TemporalScore":25,"TemporalSeverity":25,"ConfidentialityRequirement":25,"IntegrityRequirement":25,"AvailabilityRequirement":24,"ModifiedAttackVector":25,"ModifiedAttackComplexity":25,"ModifiedPrivilegesRequired":25,"ModifiedUserInteraction":25,"ModifiedScope":25,"ModifiedConfidentialityImpact":25,"ModifiedIntegrityImpact":25,"ModifiedAvailabilityImpact":25,"EnvironmentalScore":25,"EnvironmentalSeverity":25},"3.1","NETWORK","LOW","NONE","UNCHANGED","HIGH",null,3.9,3.6,[29],{"Source":16,"Type":17,"CVSSData":30,"BaseSeverity":35,"ExploitabilityScore":36,"ImpactScore":37,"ACInsufInfo":25,"ObtainAllPrivilege":25,"ObtainUserPrivilege":25,"ObtainOtherPrivilege":25,"UserInteractionRequired":25},{"Version":31,"VectorString":32,"AccessVector":20,"AccessComplexity":21,"Authentication":22,"ConfidentialityImpact":22,"IntegrityImpact":22,"AvailabilityImpact":33,"BaseScore":34,"BaseSeverity":25,"Exploitability":25,"RemediationLevel":25,"ReportConfidence":25,"TemporalScore":25,"CollateralDamagePotential":25,"TargetDistribution":25,"ConfidentialityRequirement":25,"IntegrityRequirement":25,"AvailabilityRequirement":25,"EnvironmentalScore":25},"2.0","AV:N\u002FAC:L\u002FAu:N\u002FC:N\u002FI:N\u002FA:P","PARTIAL",5,"MEDIUM",10,2.9,0.00961,[38,38,38,38,38,38,38],"High",[42],{"vendor":43,"product":44,"version":45,"criteria":46,"vulnerable":4},"linux","acrn","*","cpe:2.3:o:linux:acrn:*:*:*:*:*:*:*:*",1,[49],{"url":50,"source":51,"tags":52},"https:\u002F\u002Fgithub.com\u002Fprojectacrn\u002Facrn-hypervisor\u002Fpull\u002F6268\u002Fcommits\u002Fdd88504804e186029f845a166dc5c31695e2cca2","GitHub",[53,54],"Patch","Third Party Advisory",[56],{"id":57,"name":58,"description":59,"extendedDescription":60,"status":61,"abstraction":62,"structure":63},"CWE-416","Use After Free","The product reuses or references memory after it has been freed. At some point afterward, the memory may be allocated again and saved in another pointer, while the original pointer references a location somewhere within the new allocation. Any operations using the original pointer are no longer valid because the memory \"belongs\" to the code that operates on the new pointer.","","Stable","Variant","Simple",false,[],{"title":67,"metaDescription":68,"keywords":69,"canonicalUrl":70,"structuredData":71},"What is CVE-2021-36144? Vulnerability Analysis | Security Advisory | Precursor Intelligence","Comprehensive analysis of CVE-2021-36144, a high severity cyber security vulnerability from 2021. The polling timer handler in ACRN before 2.5 has a use-afte...","CVE-2021-36144, CVE-2021-36144 vulnerability, CVE-2021-36144 security, high severity vulnerability, cybersecurity, vulnerability analysis, security advisory, CVE database, threat intelligence, security research, vulnerability assessment, cyber threats, 2021, CVSS score, exploit, patch, remediation, linux security, acrn vulnerability","\u002Fwhat-is\u002Fcve-2021-36144",{"@context":72,"@type":73,"headline":67,"description":68,"datePublished":9,"dateModified":10,"author":74,"publisher":78,"about":82,"mainEntityOfPage":86,"articleSection":89,"keywords":90},"https:\u002F\u002Fschema.org","TechArticle",{"@type":75,"name":76,"url":77},"Organization","Precursor Intelligence","https:\u002F\u002Fprecursorintelligence.com",{"@type":75,"name":76,"url":77,"logo":79},{"@type":80,"url":81},"ImageObject","https:\u002F\u002Fprecursorintelligence.com\u002Fimg\u002Flogos\u002Feplogo.png",{"@type":83,"name":6,"description":84,"additionalType":85},"Thing","Cybersecurity Vulnerability","https:\u002F\u002Fschema.org\u002FSoftwareBug",{"@type":87,"@id":88},"WebPage","https:\u002F\u002Fprecursorintelligence.com\u002Fwhat-is\u002Fcve-2021-36144","Cybersecurity","CVE-2021-36144, CVE-2021-36144 vulnerability, CVE-2021-36144 security, high severity vulnerability, cybersecurity, vulnerability analysis, security advisory, CVE database, threat intelligence, security research",[92],{"Operator":25,"Negate":25,"Nodes":93},[94],{"Operator":95,"Negate":25,"CPEMatch":96},"OR",[97],{"Vulnerable":4,"Criteria":46,"MatchCriteriaID":98,"VersionStartExcluding":25,"VersionStartIncluding":25,"VersionEndExcluding":99,"VersionEndIncluding":25},"CF2731E5-0DF2-4018-8266-7028AC919320","2.5",[],[],{"lastModified":10,"cacheTime":103,"version":31},1792344928499,{"score":105,"band":106,"action":107,"scoredAt":108},47,"Medium","Plan remediation","2026-10-16T06:51:28.43797+00:00"]