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FreeBSD: xen-kernel -- Hypervisor memory corruption due to x86 emulator flaw (CVE-2015-2151)

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FreeBSD: xen-kernel -- Hypervisor memory corruption due to x86 emulator flaw (CVE-2015-2151)

Severity
7
CVSS
(AV:L/AC:L/Au:N/C:C/I:C/A:C)
Published
03/12/2015
Created
07/25/2018
Added
07/20/2015
Modified
07/20/2015

Description

The x86 emulator in Xen 3.2.x through 4.5.x does not properly ignore segment overrides for instructions with register operands, which allows local guest users to obtain sensitive information, cause a denial of service (memory corruption), or possibly execute arbitrary code via unspecified vectors.

Solution(s)

  • freebsd-upgrade-package-xen-kernel

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