PT-2013-3470

Name of the Vulnerable Software and Affected Versions Xen versions 4.2.x, 4.1.x, and earlier Description The issue occurs when the hypervisor is under memory pressure and the Xen Security Module XSM is enabled. It involves the wrong ordering of operations when extending the per-domain event chann...

CVE-2013-0154: Undefined Security Weakness

The getpagetype function in xen/arch/x86/mm.c in Xen 4.2, when debugging is enabled, allows local PV or HVM guest administrators to cause a denial of service assertion failure and hypervisor crash via unspecified vectors related to a hypercall...

DEBIAN-CVE-2012-5514

The guestphysmapmarkpopulateondemand function in Xen 4.2 and earlier 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...

DEBIAN-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...

DEBIAN-CVE-2012-5511

Stack-based buffer overflow in the dirty video RAM tracking functionality in Xen 3.4 through 4.1 allows local HVM guest OS administrators to cause a denial of service crash via a large bitmap image...

CVE-2011-3131

Xen 4.1.1 and earlier allows local guest OS kernels with control of a PCIE 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...

Code injection

Xen 4.1.1 and earlier allows local guest OS kernels with control of a PCIE 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...

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...

CVE-2012-5515

The 1 XENMEMdecreasereservation, 2 XENMEMpopulatephysmap, and 3 XENMEMexchange hypercalls in Xen 4.2 and earlier allow local guest administrators to cause a denial of service long loop and hang via a crafted extentorder value...

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...

CVE-2012-5515: Undefined Security Weakness

The 1 XENMEMdecreasereservation, 2 XENMEMpopulatephysmap, and 3 XENMEMexchange hypercalls in Xen 4.2 and earlier allow local guest administrators to cause a denial of service long loop and hang via a crafted extentorder value...

CVE-2012-5510: Undefined Security Weakness

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...

CVE-2012-5514: Undefined Security Weakness

The guestphysmapmarkpopulateondemand function in Xen 4.2 and earlier 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...

kernel: xen: XENMEM_exchange may overwrite hypervisor memory

The XENMEMexchange handler in Xen 4.2 and earlier 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 reserved range...

CVE-2012-2934

Xen 4.0, and 4.1, when running a 64-bit PV guest on "older" AMD CPUs, does not properly protect against a certain AMD processor bug, which allows local guest OS users to cause a denial of service host hang via sequential execution of instructions across a non-canonical boundary, a different...

CVE-2012-3433

Xen 4.0 and 4.1 allows local HVM guest OS kernels to cause a denial of service domain 0 VCPU hang and kernel panic by modifying the physical address space in a way that triggers excessive shared page search time during the p2m teardown...

CVE-2012-6033

The dotmemcontrol function in the Transcendent Memory TMEM in Xen 4.0, 4.1, and 4.2 does not properly check privileges, which allows local guest OS users to access control stack operations via unspecified vectors. NOTE: this issue was originally published as part of CVE-2012-3497, which was too...

DEBIAN-CVE-2012-6033

The dotmemcontrol function in the Transcendent Memory TMEM in Xen 4.0, 4.1, and 4.2 does not properly check privileges, which allows local guest OS users to access control stack operations via unspecified vectors. NOTE: this issue was originally published as part of CVE-2012-3497, which was too...

CVE-2012-6031

The dotmemget function in the Transcendent Memory TMEM in Xen 4.0, 4.1, and 4.2 allow local guest OS users to cause a denial of service CPU hang and host crash via unspecified vectors related to a spinlock being held in the "badcopy error path." NOTE: this issue was originally published as part o...

DEBIAN-CVE-2012-6032

Multiple integer overflows in the 1 tmhcopyfromclient and 2 tmhcopytoclient functions in the Transcendent Memory TMEM in Xen 4.0, 4.1, and 4.2 allow local guest OS users to cause a denial of service memory corruption and host crash via unspecified vectors. NOTE: this issue was originally publishe...