The fixup_page_fault function in arch/x86/traps.c in Xen 4.0.1 and previous versions 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.
| Vulnerable Product | Search on Vulmon | Subscribe to Product |
|---|---|---|
citrix xen 3.1.3 |
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citrix xen 3.1.4 |
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citrix xen 3.2.2 |
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citrix xen 3.3.2 |
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citrix xen 3.0.2 |
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citrix xen 3.0.4 |
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citrix xen 3.3.1 |
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citrix xen 3.4.1 |
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citrix xen 3.2.0 |
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citrix xen 3.2.1 |
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citrix xen 3.1.2 |
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citrix xen 3.2.3 |
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citrix xen 3.4.2 |
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citrix xen 4.0.0 |
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citrix xen |
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citrix xen 3.0.3 |
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citrix xen 3.3.0 |
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citrix xen 3.4.0 |
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citrix xen 3.4.3 |
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