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Freedesktop Virgl 3DVirgil 3d project, used by Quick Emulator(Qemu) to implement 3D GPU support for the virtio GPU, is v…

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1

Virgil 3d project, used by Quick Emulator(Qemu) to implement 3D GPU support for the virtio GPU, is vulnerable to memory leakage issue. It could occur when a guest tries to create vertex elements via 'VIRGLOBJECTVERTEXELEMENTS' command.

A guest user/process could use this flaw to leak host memory resulting in DoS.

Upstream patch: --------------- -> https://cgit.freedesktop.org/virglrenderer/commit/?id=737c3350850ca4dbc5633b3bdb4118176ce59920

Reference: ---------- -> http://www.openwall.com/lists/oss-security/2017/03/01/7

First published (updated )
REDHAT-BUG-1427472

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