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Gentoo Linux: CVE-2015-7970: Xen: Multiple vulnerabilities

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Gentoo Linux: CVE-2015-7970: Xen: Multiple vulnerabilities

Severity
5
CVSS
(AV:L/AC:L/Au:N/C:N/I:N/A:C)
Published
10/30/2015
Created
07/25/2018
Added
10/30/2017
Modified
10/30/2017

Description

The p2m_pod_emergency_sweep function in arch/x86/mm/p2m-pod.c in Xen 3.4.x, 3.5.x, and 3.6.x is not preemptible, which allows local x86 HVM guest administrators to cause a denial of service (CPU consumption and possibly reboot) via crafted memory contents that triggers a "time-consuming linear scan," related to Populate-on-Demand.

Solution(s)

  • gentoo-linux-upgrade-app-emulation-pvgrub
  • gentoo-linux-upgrade-app-emulation-xen
  • gentoo-linux-upgrade-app-emulation-xen-pvgrub
  • gentoo-linux-upgrade-app-emulation-xen-tools

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