CVE-2016-1922

QEMU (aka Quick Emulator) built with the TPR optimization for 32-bit Windows guests support is vulnerable to a null pointer dereference flaw

published December 29, 2016

CVSS
—
EPSS
0%
Percentile
36.3
In the wild
Unconfirmed
What it is

QEMU (aka Quick Emulator) built with the TPR optimization for 32-bit Windows guests support is vulnerable to a null pointer dereference flaw. It occurs while doing I/O port write operations via hmp interface. In that, 'current_cpu' remains null, which leads to the null pointer dereference. A user or process could use this flaw to crash the QEMU instance, resulting in DoS issue.

The record
Technical detail
CVSS
Not scored
CVSS v4.0
Not supplied
EPSS
0.00433 · 36.3th percentile
Published
2016-12-29T22:00Z
EPSS history
Timeline
  • 29 DEC 22:00Z
    QEMU (aka Quick Emulator) built with the TPR optimization for 32-bit Windows guests support is vulnerable to a null pointer dereference flaw
    cvelistv5