xen xen 4.2.0 vulnerabilities and exploits

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Multiple integer overflows in the Elf parser (libelf) in Xen 4.2.x and previous versions allow local guest administrators with certain permissions to have an unspecified impact via a crafted kernel.

Xen Xen Xen Xen 4.2.0 Xen Xen 4.2.1

The Elf parser (libelf) in Xen 4.2.x and previous versions allow local guest administrators with certain permissions to have an unspecified impact via a crafted kernel, related to "pointer dereferences" involving unexpected calculations.

Xen Xen Xen Xen 4.2.0 Xen Xen 4.2.1

Multiple unspecified vulnerabilities in the Elf parser (libelf) in Xen 4.2.x and previous versions allow local guest administrators with certain permissions to have an unspecified impact via a crafted kernel, related to "other problems" that are not CVE-2013-2194 or CVE...

Xen Xen Xen Xen 4.2.0 Xen Xen 4.2.1

The do_hvm_op function in xen/arch/x86/hvm/hvm.c in Xen 4.2.x on the x86_32 platform does not prevent HVM_PARAM_NESTEDHVM (aka nested virtualization) operations, which allows guest OS users to cause a denial of service (long-duration page mappings and host OS crash) by leveraging...

Xen Xen 4.2.0 Xen Xen 4.2.1

Multiple integer overflows in the (1) tmh_copy_from_client and (2) tmh_copy_to_client 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: thi...

Xen Xen 4.0.0 Xen Xen 4.1.0 Xen Xen 4.2.0

The graphical console in Xen 4.0, 4.1 and 4.2 allows local OS guest administrators to obtain sensitive host resource information via the qemu monitor. NOTE: this might be a duplicate of CVE-2007-0998.

Xen Xen 4.0.0 Xen Xen 4.1.0 Xen Xen 4.2.0

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 4.0.0 Xen Xen 4.1.0 Xen Xen 4.2.0

(1) TMEMC_SAVE_GET_CLIENT_WEIGHT, (2) TMEMC_SAVE_GET_CLIENT_CAP, (3) TMEMC_SAVE_GET_CLIENT_FLAGS and (4) TMEMC_SAVE_END 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 (NULL pointer dereference or memory corruptio...

Xen Xen 4.0.0 Xen Xen 4.1.0 Xen Xen 4.2.0

qemu-nbd in QEMU, as used in Xen 4.2.x, determines the format of a raw disk image based on the header, which allows local guest OS administrators to read arbitrary files on the host by modifying the header to identify a different format, which is used when the guest is restarted,...

Xen Xen 4.2.0 Xen Xen 4.2.1 Xen Xen 4.2.2

The do_tmem_op 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 (host crash) and possibly have other unspecified impacts via unspecified vectors related to "broken locking checks" in an "err...

Xen Xen 4.0.0 Xen Xen 4.1.0 Xen Xen 4.2.0

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