Bug 1765577 (CVE-2019-18389) - CVE-2019-18389 virglrenderer: heap buffer overflow in the vrend_renderer_transfer_write_iov function
Summary: CVE-2019-18389 virglrenderer: heap buffer overflow in the vrend_renderer_tran...
Keywords:
Status: NEW
Alias: CVE-2019-18389
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: 1784502 1784503
Blocks: 1765598
TreeView+ depends on / blocked
 
Reported: 2019-10-25 13:17 UTC by Marian Rehak
Modified: 2019-12-18 06:35 UTC (History)
4 users (show)

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Description Marian Rehak 2019-10-25 13:17:56 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, or QEMU guest-to-host escape and code execution, via VIRGL_CCMD_RESOURCE_INLINE_WRITE commands.

Upstream Issue:

https://gitlab.freedesktop.org/virgl/virglrenderer/merge_requests/314/diffs?commit_id=9c280a28651507e6ef87b17b90d47b6af3a4ab7d

Comment 2 Prasad J Pandit 2019-12-17 15:38:20 UTC
Created virglrenderer tracking bugs for this issue:

Affects: fedora-all [bug 1784502]


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