SUSE SLES11 Security Update : xen (SUSE-SU-2014:1732-1)

xen was updated to fix 10 security issues : - Guest effectable page reference leak in MMUMACHPHYSUPDATE handling CVE-2014-9030. - Insufficient bounding of 'REP MOVS' to MMIO emulated inside the hypervisor CVE-2014-8867. - Missing privilege level checks in x86 emulation of far branches...

Fedora 19 : xen-4.2.5-3.fc19 (2014-12000)

Improper MSR range used for x2APIC emulation XSA-108, CVE-2014-7188 Race condition in HVMOPtrackdirtyvram XSA-104 1145736 Missing privilege level checks in x86 HLT, LGDT, LIDT, and LMSW emulation XSA-105 1145737 Missing privilege level checks in x86 emulation of software interrupts XSA-106 114573...

UBUNTU-CVE-2014-7155

The x86emulate function in arch/x86/x86emulate/x86emulate.c in Xen 4.4.x and earlier does not properly check supervisor mode permissions, which allows local HVM users to cause a denial of service guest crash or gain guest kernel mode privileges via vectors involving an 1 HLT, 2 LGDT, 3 LIDT, or 4...

CVE-2014-7155: Undefined Security Weakness

The x86emulate function in arch/x86/x86emulate/x86emulate.c in Xen 4.4.x and earlier does not properly check supervisor mode permissions, which allows local HVM users to cause a denial of service guest crash or gain guest kernel mode privileges via vectors involving an 1 HLT, 2 LGDT, 3 LIDT, or 4...