cve-2010-4255
Vulnerability from cvelistv5
Published
2011-01-25 00:00
Modified
2024-08-07 03:34
Severity ?
Summary
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.
References
secalert@redhat.comhttp://lists.xensource.com/archives/html/xen-devel/2010-11/msg01650.htmlPatch
secalert@redhat.comhttp://openwall.com/lists/oss-security/2010/11/30/5Patch
secalert@redhat.comhttp://openwall.com/lists/oss-security/2010/11/30/8Patch
secalert@redhat.comhttp://secunia.com/advisories/42884
secalert@redhat.comhttp://secunia.com/advisories/46397
secalert@redhat.comhttp://www.redhat.com/support/errata/RHSA-2011-0017.html
secalert@redhat.comhttp://www.securityfocus.com/archive/1/520102/100/0/threaded
secalert@redhat.comhttp://www.vmware.com/security/advisories/VMSA-2011-0012.html
secalert@redhat.comhttps://bugzilla.redhat.com/show_bug.cgi?id=658155Patch
Impacted products
n/an/a
Show details on NVD website

To clipboard 

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}


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