Xen Denial of Service Vulnerability (CNVD-2016-01330)

Xen is a virtualization technology developed by the University of Cambridge that can be used in the Linux kernel, allowing multiple operating systems to run simultaneously. A denial of service vulnerability exists in versions prior to Xen 4.6.x that allows HVM guest users to cause a denial of...

UBUNTU-CVE-2016-2270

Xen 4.6.x and earlier allows local guest administrators to cause a denial of service host reboot via vectors related to multiple mappings of MMIO pages with different cachability settings...

Debian DSA-3470-1 : qemu-kvm - security update

Several vulnerabilities were discovered in qemu-kvm, a full virtualization solution on x86 hardware. - CVE-2015-7295 Jason Wang of Red Hat Inc. discovered that the Virtual Network Device support is vulnerable to denial-of-service via resource exhaustion, that could occur when receiving large...

Debian DSA-3469-1 : qemu - security update

Several vulnerabilities were discovered in qemu, a full virtualization solution on x86 hardware. - CVE-2015-7295 Jason Wang of Red Hat Inc. discovered that the Virtual Network Device support is vulnerable to denial-of-service via resource exhaustion, that could occur when receiving large packets....

[SECURITY] [DSA 3470-1] qemu-kvm security update

------------------------------------------------------------------------- Debian Security Advisory DSA-3470-1 [email protected] https://www.debian.org/security/ Sebastien Delafond February 08, 2016 https://www.debian.org/security/faq -...

[SECURITY] [DSA 3469-1] qemu security update

------------------------------------------------------------------------- Debian Security Advisory DSA-3469-1 [email protected] https://www.debian.org/security/ Sebastien Delafond February 08, 2016 https://www.debian.org/security/faq -...

Debian Security Advisory DSA 3470-1 (qemu-kvm - security update)

Several vulnerabilities were discovered in qemu-kvm, a full virtualization solution on x86 hardware. CVE-2015-7295 Jason Wang of Red Hat Inc. discovered that the Virtual Network Device support is vulnerable to denial-of-service via resource exhaustion, that could occur when receiving large packet...

Debian Security Advisory DSA 3471-1 (qemu - security update)

Several vulnerabilities were discovered in qemu, a full virtualization solution on x86 hardware. CVE-2015-7295 Jason Wang of Red Hat Inc. discovered that the Virtual Network Device support is vulnerable to denial-of-service, that could occur when receiving large packets. CVE-2015-7504 Qinghao Tan...

Debian Security Advisory DSA 3469-1 (qemu - security update)

Several vulnerabilities were discovered in qemu, a full virtualization solution on x86 hardware. CVE-2015-7295 Jason Wang of Red Hat Inc. discovered that the Virtual Network Device support is vulnerable to denial-of-service via resource exhaustion, that could occur when receiving large packets...

DSA-3469-1 qemu - security update

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DEBIAN-CVE-2016-1570

The PV superpage functionality in arch/x86/mm.c in Xen 3.4.0, 3.4.1, and 4.1.x through 4.6.x allows local PV guests to obtain sensitive information, cause a denial of service, gain privileges, or have unspecified other impact via a crafted page identifier MFN to the 1 MMUEXTMARKSUPER or 2...

UBUNTU-CVE-2016-1570

The PV superpage functionality in arch/x86/mm.c in Xen 3.4.0, 3.4.1, and 4.1.x through 4.6.x allows local PV guests to obtain sensitive information, cause a denial of service, gain privileges, or have unspecified other impact via a crafted page identifier MFN to the 1 MMUEXTMARKSUPER or 2...

CVE-2016-1570

The PV superpage functionality in arch/x86/mm.c in Xen 3.4.0, 3.4.1, and 4.1.x through 4.6.x allows local PV guests to obtain sensitive information, cause a denial of service, gain privileges, or have unspecified other impact via a crafted page identifier MFN to the 1 MMUEXTMARKSUPER or 2...

CVE-2016-1570

The PV superpage functionality in arch/x86/mm.c in Xen 3.4.0, 3.4.1, and 4.1.x through 4.6.x allows local PV guests to obtain sensitive information, cause a denial of service, gain privileges, or have unspecified other impact via a crafted page identifier MFN to the 1 MMUEXTMARKSUPER or 2...

CVE-2016-1570

CVE-2016-1570 affects Xen PV (PV superpage) in arch/x86/mm.c across Xen 3.4.0/3.4.1 and 4.1.x–4.6.x. A crafted MFN page identifier can be used by local PV guests to leak sensitive information, cause a denial of service, escalate privileges, or impact page-table updates via (1) MMUEXT_MARK_SUPER, ...

PV superpage functionality missing sanity checks

ISSUE DESCRIPTION The PV superpage functionality lacks certain validity checks on data being passed to the hypervisor by guests. This is the case for the page identifier MFN passed to MMUEXTMARKSUPER and MMUEXTUNMARKSUPER sub-ops of the HYPERVISORmmuextop hypercall as well as for various forms of...

UBUNTU-CVE-2016-1922

QEMU aka Quick Emulator built with the TPR optimization for 32-bit Windows guests support is vulnerable to a null pointer dereference flaw. It occurs while doing I/O port write operations via hmp interface. In that, 'currentcpu' remains null, which leads to the null pointer dereference. A user or...

CVE-2016-1922

QEMU aka Quick Emulator built with the TPR optimization for 32-bit Windows guests support is vulnerable to a null pointer dereference flaw. It occurs while doing I/O port write operations via hmp interface. In that, 'currentcpu' remains null, which leads to the null pointer dereference. A user or...

SUSE-SU-2015:2399-1 Security update for grub2

This update for grub2 provides the following fixes and enhancements: Security issue fixed: - Fix buffer overflows when reading username and password. bsc956631, CVE-2015-8370 Non security issues fixed: - Expand list of grub.cfg search path in PV Xen guests for systems installed on btrfs snapshots...

SUSE SLED11 / SLES11 Security Update : grub2 (SUSE-SU-2015:2386-1)

This update for grub2 provides the following fixes : A security issues with a bufferoverflow when reading username and password was fixed bsc956631, CVE-2015-8370 Bugs fixed : - Expand list of grub.cfg search path in PV Xen guests for systems installed on btrfs snapshots. bsc946148, bsc952539 - A...