Bug 1765589 (CVE-2019-18391) - CVE-2019-18391 virglrenderer: heap based buffer overflow in the vrend_renderer_transfer_write_iov function
Summary: CVE-2019-18391 virglrenderer: heap based buffer overflow in the vrend_rendere...
Keywords:
Status: CLOSED ERRATA
Alias: CVE-2019-18391
Product: Security Response
Classification: Other
Component: vulnerability
Version: unspecified
Hardware: All
OS: Linux
high
high
Target Milestone: ---
Assignee: Red Hat Product Security
QA Contact:
URL:
Whiteboard:
Depends On: 1784712 1784713
Blocks: 1765598
TreeView+ depends on / blocked
 
Reported: 2019-10-25 14:04 UTC by Marian Rehak
Modified: 2021-10-25 09:54 UTC (History)
6 users (show)

Fixed In Version:
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A heap-based buffer overflow flaw was found in virglrenderer. The vrend_renderer_transfer_write_iov function allows guest OS users to cause a denial of service. The highest threat from this vulnerability is to data confidentiality and integrity as well as system availability.
Clone Of:
Environment:
Last Closed: 2021-10-25 09:54:52 UTC
Embargoed:

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Description Marian Rehak 2019-10-25 14:04:47 UTC 
A heap-based buffer overflow in the vrend_renderer_transfer_write_iov function in vrend_renderer.c in virglrenderer through 0.8.0 allows guest OS users to cause a denial of service via VIRGL_CCMD_RESOURCE_INLINE_WRITE commands.

Upstream Issue:

https://gitlab.freedesktop.org/virgl/virglrenderer/merge_requests/314/diffs?commit_id=8c9cfb4e425542e96f0717189fe4658555baaf08
Comment 1 Marian Rehak 2019-10-25 14:17:13 UTC 
Upstream Patch:

https://gitlab.freedesktop.org/virgl/virglrenderer/commit/2abeb1802e3c005b17a7123e382171b3fb665971
Comment 3 Prasad Pandit 2019-12-18 06:53:41 UTC 
Created virglrenderer tracking bugs for this issue:

Affects: fedora-all [bug 1784712]
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