REDHAT-BUG-1765584
First published: Fri Oct 25 2019(Updated: )
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: <a href="https://gitlab.freedesktop.org/virgl/virglrenderer/merge_requests/314/diffs?commit_id=d2cdbcf6a8f2317f250fd54f08aa35dde2fa3e30#3cd772559e0d73afa136d6818023cfd0c4c8ecc0_0_151">https://gitlab.freedesktop.org/virgl/virglrenderer/merge_requests/314/diffs?commit_id=d2cdbcf6a8f2317f250fd54f08aa35dde2fa3e30#3cd772559e0d73afa136d6818023cfd0c4c8ecc0_0_151</a>
| Affected Software | Affected Version | How to fix |
|---|---|---|
| libvirglrenderer | <0.8.0 |
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Reference Links
- https://gitlab.freedesktop.org/virgl/virglrenderer/merge_requests/314/diffs?commit_id=d2cdbcf6a8f2317f250fd54f08aa35dde2fa3e30#3cd772559e0d73afa136d6818023cfd0c4c8ecc0_0_151
- https://gitlab.freedesktop.org/virgl/virglrenderer/commit/24f67de7a9088a873844a39be03cee6882260ac9
- https://bugzilla.redhat.com/show_bug.cgi/show_bug.cgi?id=1784704
- https://bugzilla.redhat.com/show_bug.cgi?id=1765584
Frequently Asked Questions
What is the severity of REDHAT-BUG-1765584?
The severity of REDHAT-BUG-1765584 is classified as a denial of service vulnerability.
How do I fix REDHAT-BUG-1765584?
To fix REDHAT-BUG-1765584, upgrade the virglrenderer to the latest version beyond 0.8.0.
What are the potential impacts of REDHAT-BUG-1765584?
The potential impacts of REDHAT-BUG-1765584 include system crashes and service interruptions for guest OS users.
Which versions of virglrenderer are affected by REDHAT-BUG-1765584?
Virglrenderer versions up to and including 0.8.0 are affected by REDHAT-BUG-1765584.
Where can I find more details about REDHAT-BUG-1765584?
More details about REDHAT-BUG-1765584 can be found in the bug reports related to the issue.
- agent/references
- agent/type
- agent/last-modified-date
- agent/first-publish-date
- collector/redhat-bugzilla
- source/Red Hat
- alias/CVE-2019-18390
- agent/severity
- agent/description
- agent/event
- agent/trending
- agent/source
- agent/softwarecombine
- agent/tags
- agent/guess-ai
- agent/software-canonical-lookup
- agent/software-canonical-lookup-request
- vendor/freedesktop
- canonical/libvirglrenderer