CVE-2016-4020

The patch_instruction function in hw/i386/kvmvapic.c in QEMU does not initialize the imm32 variable, which allows local guest OS administrators to obtain…

published May 25, 2016

CVSS
—
EPSS
0%
Percentile
29.7
In the wild
Unconfirmed
What it is

The patch_instruction function in hw/i386/kvmvapic.c in QEMU does not initialize the imm32 variable, which allows local guest OS administrators to obtain sensitive information from host stack memory by accessing the Task Priority Register (TPR).

The record
Technical detail
CVSS
Not scored
CVSS v4.0
Not supplied
EPSS
0.00372 · 29.7th percentile
Published
2016-05-25T15:00Z
EPSS history
Timeline
  • 25 MAY 15:00Z
    The patch_instruction function in hw/i386/kvmvapic.c in QEMU does not initialize the imm32 variable, which allows local guest OS administrators to obtain…
    cvelistv5