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SUSE: CVE-2016-3159: SUSE Linux Security Advisory

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SUSE: CVE-2016-3159: SUSE Linux Security Advisory

Severity
2
CVSS
(AV:L/AC:L/Au:S/C:P/I:N/A:N)
Published
04/13/2016
Created
07/25/2018
Added
08/26/2016
Modified
06/20/2021

Description

The fpu_fxrstor function in arch/x86/i387.c in Xen 4.x does not properly handle writes to the hardware FSW.ES bit when running on AMD64 processors, which allows local guest OS users to obtain sensitive register content information from another guest by leveraging pending exception and mask bits. NOTE: this vulnerability exists because of an incorrect fix for CVE-2013-2076.

Solution(s)

  • suse-upgrade-xen
  • suse-upgrade-xen-devel
  • suse-upgrade-xen-doc-html
  • suse-upgrade-xen-doc-pdf
  • suse-upgrade-xen-kmp-default
  • suse-upgrade-xen-kmp-pae
  • suse-upgrade-xen-kmp-trace
  • suse-upgrade-xen-libs
  • suse-upgrade-xen-libs-32bit
  • suse-upgrade-xen-tools
  • suse-upgrade-xen-tools-domu

References

  • SUSE-SU-2016:2093-1
  • SUSE-SU-2016:2100-1
  • SUSE-SU-2016:2528-1
  • SUSE-SU-2016:2533-1
  • SUSE-SU-2016:2725-1
  • DLA-571-1
  • DSA-3554
  • 85716
  • 1035435
  • CVE-2016-3159
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