CVE-2016-1922
Medium
Description
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.
SeverityMedium
CVSS5.5
Exploit probability—
Product
Qemu
PublishedDec 29, 2016
First seenDec 29, 2016
How to fix
Vendor advisories
Affected products
| Product | Affected versions | Fixed in |
|---|---|---|
| qemu qemu | v ≤ 2.5.1.1 | — |
| debian debian_linux | 7.0, 8.0 | — |
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