CVE-2014-7155

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…

published October 2, 2014

CVSS
—
EPSS
1%
Percentile
61.3
In the wild
Unconfirmed
What it is

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.

The record
Technical detail
CVSS
Not scored
CVSS v4.0
Not supplied
EPSS
0.00968 · 61.3th percentile
Published
2014-10-02T14:00Z
EPSS history
Timeline
  • 02 OCT 14:00Z
    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…
    cvelistv5