{"id":"CVE-2010-0306","state":"PUBLISHED","title":"The x86 emulator in KVM 83, when a guest is configured for Symmetric Multiprocessing (SMP), does not use the Current Privilege Level (CPL) and I/O Privilege Level (IOPL) to restric","description":"The x86 emulator in KVM 83, when a guest is configured for Symmetric Multiprocessing (SMP), does not use the Current Privilege Level (CPL) and I/O Privilege Level (IOPL) to restrict instruction execution, which allows guest OS users to cause a denial of service (guest OS crash) or gain privileges on the guest OS by leveraging access to a (1) IO port or (2) MMIO region, and replacing an instruction in between emulator entry and instruction fetch, a related issue to CVE-2010-0298.","publishedAt":"2010-02-12T19:00:00.000Z","updatedAt":"2024-08-07T00:45:11.836Z","severity":null,"assigner":"redhat","products":["n/a n/a"],"affected":[{"vendor":"n/a","product":"n/a","versions":[{"version":"n/a","status":"affected"}]}],"references":["https://bugzilla.redhat.com/show_bug.cgi?id=560654","http://www.securityfocus.com/bid/38158","https://rhn.redhat.com/errata/RHSA-2010-0088.html","https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A10953","http://www.debian.org/security/2010/dsa-1996","https://rhn.redhat.com/errata/RHSA-2010-0095.html","http://secunia.com/advisories/38499","http://secunia.com/advisories/38492"],"weaknesses":[],"ingestedAt":"2026-10-29T19:39:30.739Z","source":{"repository":"CVEProject/cvelistV5","path":"cves/2010/0xxx/CVE-2010-0306.json","commit":"556c9d3a8cd17e218bb8e452ba7cd619a384ff47"},"raw":{"dataType":"CVE_RECORD","dataVersion":"5.1","cveMetadata":{"cveId":"CVE-2010-0306","state":"PUBLISHED","datePublished":"2010-02-12T19:00:00.000Z","dateUpdated":"2024-08-07T00:45:11.836Z","assignerShortName":"redhat","assignerOrgId":"53f830b8-0a3f-465b-8143-3b8a9948e749","dateReserved":"2010-01-12T00:00:00.000Z"},"containers":{"cna":{"descriptions":[{"lang":"en","value":"The x86 emulator in KVM 83, when a guest is configured for Symmetric Multiprocessing (SMP), does not use the Current Privilege Level (CPL) and I/O Privilege Level (IOPL) to restrict instruction execution, which allows guest OS users to cause a denial of service (guest OS crash) or gain privileges on the guest OS by leveraging access to a (1) IO port or (2) MMIO region, and replacing an instruction in between emulator entry and instruction fetch, a related issue to 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