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Alpine Linux: CVE-2016-1570: xen Multiple security issues

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Alpine Linux: CVE-2016-1570: xen Multiple security issues

Severity
7
CVSS
(AV:L/AC:M/Au:N/C:C/I:C/A:C)
Published
12/17/2015
Created
07/25/2018
Added
08/30/2017
Modified
01/29/2019

Description

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) MMUEXT_MARK_SUPER or (2) MMUEXT_UNMARK_SUPER sub-op in the HYPERVISOR_mmuext_op hypercall or (3) unknown vectors related to page table updates.

Solution(s)

  • alpine-linux-upgrade-linux-grsec
  • alpine-linux-upgrade-linux-vanilla
  • alpine-linux-upgrade-qemu
  • alpine-linux-upgrade-xen

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