SUSE CVE-2014-8594

The dommuupdate function in arch/x86/mm.c in Xen 4.x through 4.4.x does not properly restrict updates to only PV page tables, which allows remote PV guests to cause a denial of service NULL pointer dereference by leveraging hardware emulation services for HVM guests using Hardware Assisted Paging...

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...

[SECURITY] [DSA 3140-1] xen security update

-----BEGIN PGP SIGNED MESSAGE----- Hash: SHA1 - ------------------------------------------------------------------------- Debian Security Advisory DSA-3140-1 [email protected] http://www.debian.org/security/ Moritz Muehlenhoff January 27, 2015 http://www.debian.org/security/faq -...

Debian DSA-3140-1 : xen - security update

Multiple security issues have been discovered in the Xen virtualisation solution which may result in denial of service, information disclosure or privilege escalation. - CVE-2014-8594 Roger Pau Monne and Jan Beulich discovered that incomplete restrictions on MMU update hypercalls may result in...

[SECURITY] [DSA 3140-1] xen security update

------------------------------------------------------------------------- Debian Security Advisory DSA-3140-1 [email protected] http://www.debian.org/security/ Moritz Muehlenhoff January 27, 2015 http://www.debian.org/security/faq -...

DSA-3140-1 xen - security update

Bulletin has no description...

CVE-2014-9030

The dommuupdate function in arch/x86/mm.c in Xen 3.2.x through 4.4.x does not properly manage page references, which allows remote domains to cause a denial of service by leveraging control over an HVM guest and a crafted MMUMACHPHYSUPDATE...

UBUNTU-CVE-2014-8594

The dommuupdate function in arch/x86/mm.c in Xen 4.x through 4.4.x does not properly restrict updates to only PV page tables, which allows remote PV guests to cause a denial of service NULL pointer dereference by leveraging hardware emulation services for HVM guests using Hardware Assisted Paging...

Insufficient restrictions on certain MMU update hypercalls

ISSUE DESCRIPTION MMU update operations targeting page tables are intended to be used on PV guests only. The lack of a respective check made it possible for such operations to access certain function pointers which remain NULL when the target guest is using Hardware Assisted Paging HAP. IMPACT...