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FreeBSD: VID-53DBD096-BA4D-11E6-AE1B-002590263BF5 (CVE-2016-9385): xen-kernel -- x86 segment base write emulation lacking canonical address checks

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FreeBSD: VID-53DBD096-BA4D-11E6-AE1B-002590263BF5 (CVE-2016-9385): xen-kernel -- x86 segment base write emulation lacking canonical address checks

Severity
5
CVSS
(AV:L/AC:L/Au:N/C:N/I:N/A:C)
Published
11/22/2016
Created
07/25/2018
Added
12/04/2016
Modified
05/03/2019

Description

The x86 segment base write emulation functionality in Xen 4.4.x through 4.7.x allows local x86 PV guest OS administrators to cause a denial of service (host crash) by leveraging lack of canonical address checks.

Solution(s)

  • freebsd-upgrade-package-xen-kernel

References

  • 94472
  • 1037342
  • GLSA-201612-56
  • CVE-2016-9385
  • DSA-3729

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