CVE-2014-9030: Input Validation

First published: Mon Nov 24 2014(Updated: )

The do_mmu_update 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 MMU_MACHPHYS_UPDATE.

Credit: cve@mitre.org

Affected Software	Affected Version	How to fix
Xen Xen	=3.2.0
Xen Xen	=3.2.1
Xen Xen	=3.2.2
Xen Xen	=3.2.3
Xen Xen	=3.3.0
Xen Xen	=3.3.1
Xen Xen	=3.3.2
Xen Xen	=3.4.0
Xen Xen	=3.4.1
Xen Xen	=3.4.2
Xen Xen	=3.4.3
Xen Xen	=3.4.4
Xen Xen	=4.0.0
Xen Xen	=4.0.1
Xen Xen	=4.0.2
Xen Xen	=4.0.3
Xen Xen	=4.0.4
Xen Xen	=4.1.0
Xen Xen	=4.1.1
Xen Xen	=4.1.2
Xen Xen	=4.1.3
Xen Xen	=4.1.4
Xen Xen	=4.1.5
Xen Xen	=4.1.6.1
Xen Xen	=4.2.0
Xen Xen	=4.2.1
Xen Xen	=4.2.2
Xen Xen	=4.2.3
Xen Xen	=4.3.0
Xen Xen	=4.3.1
Xen Xen	=4.4.0
Xen Xen	=4.4.1
Debian Debian Linux	=7.0
openSUSE openSUSE	=13.1
openSUSE openSUSE	=13.2

Remedy

http://xenbits.xen.org/xsa/advisory-113.html

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