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Gentoo Linux: CVE-2015-4164: Xen: Multiple vulnerabilities

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Gentoo Linux: CVE-2015-4164: Xen: Multiple vulnerabilities

Severity
5
CVSS
(AV:L/AC:L/Au:N/C:N/I:N/A:C)
Published
06/15/2015
Created
07/25/2018
Added
10/30/2017
Modified
10/30/2017

Description

The compat_iret function in Xen 3.1 through 4.5 iterates the wrong way through a loop, which allows local 32-bit PV guest administrators to cause a denial of service (large loop and system hang) via a hypercall_iret call with EFLAGS.VM set.

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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