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CVE-2012-4539 vulnerabilities and exploits

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2.1
CVSSv2

CVE-2012-4539

Xen 4.0 up to and including 4.2, when running 32-bit x86 PV guests on 64-bit hypervisors, allows local guest OS administrators to cause a denial of service (infinite loop and hang or crash) via invalid arguments to GNTTABOP_get_status_frames, aka "Grant table hypercall infin...
Xen Xen 4.0.0Xen Xen 4.0.1Xen Xen 4.0.2Xen Xen 4.0.3Xen Xen 4.0.4Xen Xen 4.1.0Xen Xen 4.1.1Xen Xen 4.1.2Xen Xen 4.1.3Xen Xen 4.2.0
4.7
CVSSv2

CVE-2012-5514

The guest_physmap_mark_populate_on_demand function in Xen 4.2 and previous versions does not properly unlock the subject GFNs when checking if they are in use, which allows local guest HVM administrators to cause a denial of service (hang) via unspecified vectors.
Xen XenXen Xen 3.0.2Xen Xen 3.0.3Xen Xen 3.0.4Xen Xen 3.1.3Xen Xen 3.1.4Xen Xen 3.2.0Xen Xen 3.2.1Xen Xen 3.2.2Xen Xen 3.2.3Xen Xen 3.3.0Xen Xen 3.3.1
4.7
CVSSv2

CVE-2012-5515

The (1) XENMEM_decrease_reservation, (2) XENMEM_populate_physmap, and (3) XENMEM_exchange hypercalls in Xen 4.2 and previous versions allow local guest administrators to cause a denial of service (long loop and hang) via a crafted extent_order value.
Xen XenXen Xen 3.0.2Xen Xen 3.0.3Xen Xen 3.0.4Xen Xen 3.1.3Xen Xen 3.1.4Xen Xen 3.2.0Xen Xen 3.2.1Xen Xen 3.2.2Xen Xen 3.2.3Xen Xen 3.3.0Xen Xen 3.3.1
1.9
CVSSv2

CVE-2012-4535

Xen 3.4 up to and including 4.2, and possibly earlier versions, allows local guest OS administrators to cause a denial of service (Xen infinite loop and physical CPU consumption) by setting a VCPU with an "inappropriate deadline."
Xen Xen 3.4.0Xen Xen 3.4.1Xen Xen 3.4.2Xen Xen 3.4.3Xen Xen 3.4.4Xen Xen 4.0.0Xen Xen 4.0.1Xen Xen 4.0.2Xen Xen 4.0.3Xen Xen 4.0.4Xen Xen 4.1.0Xen Xen 4.1.1
4.9
CVSSv2

CVE-2012-4538

The HVMOP_pagetable_dying hypercall in Xen 4.0, 4.1, and 4.2 does not properly check the pagetable state when running on shadow pagetables, which allows a local HVM guest OS to cause a denial of service (hypervisor crash) via unspecified vectors.
Xen Xen 4.0.0Xen Xen 4.1.0Xen Xen 4.2.0
4.6
CVSSv2

CVE-2011-3131

Xen 4.1.1 and previous versions allows local guest OS kernels with control of a PCI[E] device to cause a denial of service (CPU consumption and host hang) via many crafted DMA requests that are denied by the IOMMU, which triggers a livelock.
Xen Xen
4.7
CVSSv2

CVE-2012-5510

Xen 4.x, when downgrading the grant table version, does not properly remove the status page from the tracking list when freeing the page, which allows local guest OS administrators to cause a denial of service (hypervisor crash) via unspecified vectors.
Xen Xen 4.0.0Xen Xen 4.0.1Xen Xen 4.0.2Xen Xen 4.0.3Xen Xen 4.0.4Xen Xen 4.1.0Xen Xen 4.1.1Xen Xen 4.1.2Xen Xen 4.1.3Xen Xen 4.2.0
2.1
CVSSv2

CVE-2012-4537

Xen 3.4 up to and including 4.2, and possibly earlier versions, does not properly synchronize the p2m and m2p tables when the set_p2m_entry function fails, which allows local HVM guest OS administrators to cause a denial of service (memory consumption and assertion failure), aka ...
Xen Xen 3.4.0Xen Xen 3.4.1Xen Xen 3.4.2Xen Xen 3.4.3Xen Xen 3.4.4Xen Xen 4.0.0Xen Xen 4.0.1Xen Xen 4.0.2Xen Xen 4.0.3Xen Xen 4.0.4Xen Xen 4.1.0Xen Xen 4.1.1
6.9
CVSSv2

CVE-2012-5513

The XENMEM_exchange handler in Xen 4.2 and previous versions does not properly check the memory address, which allows local PV guest OS administrators to cause a denial of service (crash) or possibly gain privileges via unspecified vectors that overwrite memory in the hypervisor ...
Xen XenXen Xen 3.0.2Xen Xen 3.0.3Xen Xen 3.0.4Xen Xen 3.1.3Xen Xen 3.1.4Xen Xen 3.2.0Xen Xen 3.2.1Xen Xen 3.2.2Xen Xen 3.2.3Xen Xen 3.3.0Xen Xen 3.3.1
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