VDB

CVE-2014-7155

CVE-2014-7155 PUBLISHED

The x86_emulate function in arch/x86/x86_emulate/x86_emulate.c in Xen 4.4.x and earlier does not properly check supervisor mode permissions, which allows local HVM users to cause a denial of service (guest crash) or gain guest kernel mode privileges via vectors involving an (1) HLT, (2) LGDT, (3) LIDT, or (4) LMSW instruction.

EPSS 0.97% · 61.3th percentile

Risk Scores

EPSS Score
0.97%
61.3th percentile

Affected Products

VendorProductVersions
Ubuntu:14.04:LTSxen0, 4.3.0-1ubuntu1, 4.3.0-1ubuntu2

Timeline

  • Nov 22, 2012 CVE Published
  • Feb 4, 2022 EPSS Score
  • Mar 29, 2022 EPSS Score
  • May 22, 2022 EPSS Score
  • Jul 15, 2022 EPSS Score
  • Sep 7, 2022 EPSS Score
  • Oct 30, 2022 EPSS Score
  • Dec 22, 2022 EPSS Score
  • Feb 14, 2023 EPSS Score
  • Mar 7, 2023 EPSS Score
  • Apr 8, 2023 EPSS Score
  • Jun 1, 2023 EPSS Score
Open in Interactive Console →
$ Console Community · 50/day Open console ›