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[Bug 1021627] New: VUL-0: virglrenderer: OOB access while parsing texture instruction
  • From: bugzilla_noreply@xxxxxxxxxx
  • Date: Tue, 24 Jan 2017 10:34:18 +0000
  • Message-id: <bug-1021627-21960@http.bugzilla.opensuse.org/>
http://bugzilla.opensuse.org/show_bug.cgi?id=1021627


Bug ID: 1021627
Summary: VUL-0: virglrenderer: OOB access while parsing texture
instruction
Classification: openSUSE
Product: openSUSE Distribution
Version: Leap 42.2
Hardware: Other
OS: Other
Status: NEW
Severity: Normal
Priority: P5 - None
Component: Security
Assignee: security-team@xxxxxxx
Reporter: mikhail.kasimov@xxxxxxxxx
QA Contact: qa-bugs@xxxxxxx
Found By: ---
Blocker: ---

Ref: http://seclists.org/oss-sec/2017/q1/176
============================================
Hello,

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
parsing texture instructions in parse_instruction().


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


Upstream patch:
---------------
->
https://lists.freedesktop.org/archives/virglrenderer-devel/2017-January/000105.html

Reference:
----------
-> https://bugzilla.redhat.com/show_bug.cgi?id=1415986

This issue was reported by Li Qiang of 360.cn Inc.

Thank you.
--
Prasad J Pandit / Red Hat Product Security Team
47AF CE69 3A90 54AA 9045 1053 DD13 3D32 FE5B 041F
============================================

https://software.opensuse.org/package/virglrenderer

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