Bug 1765584 (CVE-2019-18390) - CVE-2019-18390 virglrenderer: out-of-bounds read in the vrend_blit_need_swizzle may lead to DoS
Summary: CVE-2019-18390 virglrenderer: out-of-bounds read in the vrend_blit_need_swizz...
Keywords:
Status: CLOSED ERRATA
Alias: CVE-2019-18390
Product: Security Response
Classification: Other
Component: vulnerability
Version: unspecified
Hardware: All
OS: Linux
low
low
Target Milestone: ---
Assignee: Red Hat Product Security
QA Contact:
URL:
Whiteboard:
Depends On: 1784704 1784705
Blocks: 1765598
TreeView+ depends on / blocked
 
Reported: 2019-10-25 13:51 UTC by Marian Rehak
Modified: 2021-10-25 09:54 UTC (History)
4 users (show)

Fixed In Version:
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Last Closed: 2021-10-25 09:54:43 UTC
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Description Marian Rehak 2019-10-25 13:51:30 UTC 
An out-of-bounds read in the vrend_blit_need_swizzle function in vrend_renderer.c in virglrenderer through 0.8.0 allows guest OS users to cause a denial of service via VIRGL_CCMD_BLIT commands.

Upstream Issue:

https://gitlab.freedesktop.org/virgl/virglrenderer/merge_requests/314/diffs?commit_id=d2cdbcf6a8f2317f250fd54f08aa35dde2fa3e30#3cd772559e0d73afa136d6818023cfd0c4c8ecc0_0_151
Comment 1 Marian Rehak 2019-10-25 13:52:33 UTC 
Upstream Patch:

https://gitlab.freedesktop.org/virgl/virglrenderer/commit/24f67de7a9088a873844a39be03cee6882260ac9
Comment 3 Prasad Pandit 2019-12-18 06:36:29 UTC 
Created virglrenderer tracking bugs for this issue:

Affects: fedora-all [bug 1784704]
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