CVE-2017-5937: Null Pointer Dereference
First published: Wed Feb 08 2017(Updated: )
The util_format_is_pure_uint function in vrend_renderer.c in Virgil 3d project (aka virglrenderer) 0.6.0 and earlier allows local guest OS users to cause a denial of service (NULL pointer dereference) via a crafted VIRGL_CCMD_CLEAR command.
Credit: secalert@redhat.com
| Affected Software | Affected Version | How to fix |
|---|---|---|
| Freedesktop Virglrenderer | <=0.5.0 |
Remedy
https://cgit.freedesktop.org/virglrenderer/commit/?id=48f67f60967f963b698ec8df57ec6912a43d6282
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Reference Links
- https://cgit.freedesktop.org/virglrenderer/commit/?id=48f67f60967f963b698ec8df57ec6912a43d6282
- http://www.openwall.com/lists/oss-security/2017/02/08/5
- https://bugzilla.redhat.com/show_bug.cgi/show_bug.cgi?id=1420249
- http://seclists.org/oss-sec/2017/q1/348
- https://bugzilla.redhat.com/show_bug.cgi?id=1420246
- http://www.openwall.com/lists/oss-security/2017/02/09/4
- http://www.securityfocus.com/bid/96180
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- alias/CVE-2017-5937
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- vendor/virglrenderer project
- canonical/freedesktop virglrenderer
- version/freedesktop virglrenderer/0.5.0