CVE-2016-1922
Fixed in a distro release EPSS <1%
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.
Products: qemu, debian_linux
Distro releases
| Release | Package | Fixed in |
|---|---|---|
| Debian 12 | qemu | 1:2.5+dfsg-4 |
| Debian 13 | qemu | 1:2.5+dfsg-4 |
| Debian 14 | qemu | 1:2.5+dfsg-4 |
| Debian 7 | qemu | 1.1.2+dfsg-6a+deb7u12 |
| Debian 7 | qemu-kvm | 1.1.2+dfsg-6+deb7u12 |
| Debian 8 | qemu | 1:2.1+dfsg-12+deb8u5a |
| SUSE Linux Enterprise Desktop 11 SP4 | xen | 4.4.4_02-32.1 |
| SUSE Linux Enterprise Desktop 12 | qemu | 2.0.2-48.19.1 |
| SUSE Linux Enterprise Desktop 12 | xen | 4.4.4_02-22.19.1 |
| SUSE Linux Enterprise Desktop 12 SP1 | qemu | 2.3.1-14.1 |
| SUSE Linux Enterprise Desktop 12 SP1 | xen | 4.5.2_06-7.1 |
| SUSE Linux Enterprise Server 11 SP3-LTSS | kvm | 1.4.2-46.1 |
| SUSE Linux Enterprise Server 11 SP3-TERADATA | kvm | 1.4.2-46.1 |
| SUSE Linux Enterprise Server 11 SP4 | kvm | 1.4.2-44.1 |
| SUSE Linux Enterprise Server 11 SP4 | xen | 4.4.4_02-32.1 |
| SUSE Linux Enterprise Server 12 | qemu | 2.0.2-48.19.1 |
| SUSE Linux Enterprise Server 12 | xen | 4.4.4_02-22.19.1 |
| SUSE Linux Enterprise Server 12 SP1 | qemu | 2.3.1-14.1 |
| SUSE Linux Enterprise Server 12 SP1 | xen | 4.5.2_06-7.1 |
| SUSE Linux Enterprise Server for SAP Applications 11 SP4 | kvm | 1.4.2-44.1 |
| SUSE Linux Enterprise Server for SAP Applications 11 SP4 | xen | 4.4.4_02-32.1 |
| SUSE Linux Enterprise Server for SAP Applications 12 | qemu | 2.0.2-48.19.1 |
| SUSE Linux Enterprise Server for SAP Applications 12 | xen | 4.4.4_02-22.19.1 |
| SUSE Linux Enterprise Server for SAP Applications 12 SP1 | qemu | 2.3.1-14.1 |
| SUSE Linux Enterprise Server for SAP Applications 12 SP1 | xen | 4.5.2_06-7.1 |
| SUSE Linux Enterprise Software Development Kit 11 SP4 | xen | 4.4.4_02-32.1 |
| SUSE Linux Enterprise Software Development Kit 12 | xen | 4.4.4_02-22.19.1 |
| SUSE Linux Enterprise Software Development Kit 12 SP1 | xen | 4.5.2_06-7.1 |
| Ubuntu 14.04 LTS | qemu | 2.0.0+dfsg-2ubuntu1.22 |
| openSUSE Tumbleweed | xen | 4.7.0_12-1.3 |