{"id":"CVE-2010-4255","state":"PUBLISHED","title":"The fixup_page_fault function in arch/x86/traps.c in Xen 4.0.1 and earlier on 64-bit platforms, when paravirtualization is enabled, does not verify that kernel mode is used to call","description":"The fixup_page_fault function in arch/x86/traps.c in Xen 4.0.1 and earlier on 64-bit platforms, when paravirtualization is enabled, does not verify that kernel mode is used to call the handle_gdt_ldt_mapping_fault function, which allows guest OS users to cause a denial of service (host OS BUG_ON) via a crafted memory access.","publishedAt":"2011-01-25T00:00:00.000Z","updatedAt":"2024-08-07T03:34:37.813Z","severity":null,"assigner":"redhat","products":["n/a n/a"],"affected":[{"vendor":"n/a","product":"n/a","versions":[{"version":"n/a","status":"affected"}]}],"references":["http://www.securityfocus.com/archive/1/520102/100/0/threaded","http://www.redhat.com/support/errata/RHSA-2011-0017.html","http://secunia.com/advisories/46397","https://bugzilla.redhat.com/show_bug.cgi?id=658155","http://openwall.com/lists/oss-security/2010/11/30/5","http://www.vmware.com/security/advisories/VMSA-2011-0012.html","http://secunia.com/advisories/42884","http://lists.xensource.com/archives/html/xen-devel/2010-11/msg01650.html","http://openwall.com/lists/oss-security/2010/11/30/8"],"weaknesses":[],"ingestedAt":"2026-10-29T19:39:46.148Z","source":{"repository":"CVEProject/cvelistV5","path":"cves/2010/4xxx/CVE-2010-4255.json","commit":"556c9d3a8cd17e218bb8e452ba7cd619a384ff47"},"raw":{"dataType":"CVE_RECORD","dataVersion":"5.1","cveMetadata":{"cveId":"CVE-2010-4255","state":"PUBLISHED","datePublished":"2011-01-25T00:00:00.000Z","dateUpdated":"2024-08-07T03:34:37.813Z","assignerShortName":"redhat","assignerOrgId":"53f830b8-0a3f-465b-8143-3b8a9948e749","dateReserved":"2010-11-16T00:00:00.000Z"},"containers":{"cna":{"descriptions":[{"lang":"en","value":"The fixup_page_fault function in arch/x86/traps.c in Xen 4.0.1 and earlier on 64-bit platforms, when paravirtualization is enabled, does not verify that kernel mode is used to call the handle_gdt_ldt_mapping_fault function, which allows guest OS users to cause a denial of service (host OS BUG_ON) via a crafted memory access."}],"affected":[{"vendor":"n/a","product":"n/a","versions":[{"version":"n/a","status":"affected"}]}],"references":[{"url":"http://www.securityfocus.com/archive/1/520102/100/0/threaded","name":"20111013 VMSA-2011-0012 VMware ESXi and ESX updates to third party libraries and ESX Service 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