Bug 1421073 (CVE-2017-5956) - CVE-2017-5956 Virglrenderer: OOB access while in vrend_draw_vbo
Summary: CVE-2017-5956 Virglrenderer: OOB access while in vrend_draw_vbo
Keywords:
Status: CLOSED UPSTREAM
Alias: CVE-2017-5956
Product: Security Response
Classification: Other
Component: vulnerability
Version: unspecified
Hardware: All
OS: Linux
medium
medium
Target Milestone: ---
Assignee: Red Hat Product Security
QA Contact:
URL:
Whiteboard:
Depends On: 1421074
Blocks: 1409508
TreeView+ depends on / blocked
 
Reported: 2017-02-10 09:51 UTC by Prasad Pandit
Modified: 2021-02-17 02:36 UTC (History)
1 user (show)

Fixed In Version:
Clone Of:
Environment:
Last Closed: 2019-06-08 03:07:25 UTC
Embargoed:

Attachments (Terms of Use)

Description Prasad Pandit 2017-02-10 09:51:01 UTC 
Virgil 3d project, used by Quick Emulator(Qemu) to implement 3D GPU support
for the virtio GPU, is vulnerable to an OOB array access issue. It could occur
when in vrend_draw_vbo.

A guest user/process could use this flaw to crash the Qemu process instance
resulting DoS.

Upstream patch:
---------------
  -> https://cgit.freedesktop.org/virglrenderer/commit/?id=a5ac49940c40ae415eac0cf912eac7070b4ba95d

Reference:
----------
  -> http://www.openwall.com/lists/oss-security/2017/02/13/2
Comment 1 Prasad Pandit 2017-02-10 09:51:06 UTC 
Acknowledgments:

Name: Li Qiang (360.cn Inc.)
Comment 2 Prasad Pandit 2017-02-10 09:53:33 UTC 
Created virglrenderer tracking bugs for this issue:

Affects: fedora-all [bug 1421074]
Comment 3 Product Security DevOps Team 2019-06-08 03:07:25 UTC 
This CVE Bugzilla entry is for community support informational purposes only as it does not affect a package in a commercially supported Red Hat product. Refer to the dependent bugs for status of those individual community products.
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