CVE-2016-9603
Description
A heap buffer overflow flaw was found in QEMU's Cirrus CLGD 54xx VGA emulator's VNC display driver support before 2.9; the issue could occur when a VNC client attempted to update its display after a VGA operation is performed by a guest. A privileged user/process inside a guest could use this flaw to crash the QEMU process or, potentially, execute arbitrary code on the host with privileges of the QEMU process.
How to fix
- qemu qemu2.9.0 or later
- access.redhat.com/errata/RHSA-2017:0983
- access.redhat.com/errata/RHSA-2017:0982
- security.gentoo.org/glsa/201706-03
- access.redhat.com/errata/RHSA-2017:1206
- access.redhat.com/errata/RHSA-2017:0985
- access.redhat.com/errata/RHSA-2017:0987
- access.redhat.com/errata/RHSA-2017:0984
- access.redhat.com/errata/RHSA-2017:0988
- access.redhat.com/errata/RHSA-2017:1441
- access.redhat.com/errata/RHSA-2017:0981
- access.redhat.com/errata/RHSA-2017:0980
- access.redhat.com/errata/RHSA-2017:1205
Affected products
| Product | Affected versions | Fixed in |
|---|---|---|
| qemu qemu | v < 2.9.0 | 2.9.0 |
| citrix xenserver | 6.0.2, 6.2.0, 6.5, 7.0, 7.1 | — |
| redhat openstack | 5.0, 6.0, 7.0, 8, 9, 10 | — |
| debian debian_linux | 7.0 | — |
| redhat enterprise_linux_desktop | 6.0, 7.0 | — |
| redhat enterprise_linux_server | 6.0, 7.0 | — |
| redhat enterprise_linux_server_aus | 7.3, 7.4 | — |
| redhat enterprise_linux_server_eus | 7.3, 7.4, 7.5 | — |
| redhat enterprise_linux_workstation | 6.0, 7.0 | — |
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