REDHAT-BUG-1426756: Low severity libvirglrenderer vulnerability
Virgil 3d project, used by Quick Emulator(Qemu) to implement 3D GPU support for the virtio GPU, is vulnerable to a memory leakageissue. It could occur while in addshaderprogram().
A guest user/process could use this flaw to leak host memory resulting in DoS.
Upstream patch: --------------- -> https://cgit.freedesktop.org/virglrenderer/commit/?id=a2f12a1b0f95b13b6f8dc3d05d7b74b4386394e4
Reference: ---------- -> http://www.openwall.com/lists/oss-security/2017/02/24/5
Affected Software
Event History
Frequently Asked Questions
What is the severity of REDHAT-BUG-1426756?
REDHAT-BUG-1426756 is categorized as a medium severity vulnerability due to potential denial of service caused by memory leakage.
How do I fix REDHAT-BUG-1426756?
To fix REDHAT-BUG-1426756, apply the latest patches from the upstream projects virglrenderer and QEMU.
What products are affected by REDHAT-BUG-1426756?
REDHAT-BUG-1426756 affects the Freedesktop virglrenderer and QEMU Quick Emulator software.
What exploit does REDHAT-BUG-1426756 enable?
REDHAT-BUG-1426756 enables a guest user or process to leak host memory, which can lead to denial of service.
When was REDHAT-BUG-1426756 reported?
REDHAT-BUG-1426756 was reported in a bug tracking system managed by Red Hat.