NULL Pointer Dereference Affecting virglrenderer package, versions <0.6.0-1
Threat Intelligence
The probability is the direct output of the EPSS model, and conveys an overall sense of the threat of exploitation in the wild. The percentile measures the EPSS probability relative to all known EPSS scores. Note: This data is updated daily, relying on the latest available EPSS model version. Check out the EPSS documentation for more details.
Do your applications use this vulnerable package?
In a few clicks we can analyze your entire application and see what components are vulnerable in your application, and suggest you quick fixes.
Test your applicationsSnyk Learn
Learn about NULL Pointer Dereference vulnerabilities in an interactive lesson.
Start learning- Snyk IDSNYK-DEBIANUNSTABLE-VIRGLRENDERER-295960
- published15 Mar 2017
- disclosed15 Mar 2017
Introduced: 15 Mar 2017
CVE-2017-6210 (opens in a new tab)How to fix?
Upgrade Debian:unstable virglrenderer to version 0.6.0-1 or higher.
NVD Description
Note: Versions mentioned in the description apply only to the upstream virglrenderer package and not the virglrenderer package as distributed by Debian.
See How to fix? for Debian:unstable relevant fixed versions and status.
The vrend_decode_reset function in vrend_decode.c in virglrenderer before 0.6.0 allows local guest OS users to cause a denial of service (NULL pointer dereference and QEMU process crash) by destroying context 0 (zero).
References
- https://security-tracker.debian.org/tracker/CVE-2017-6210
- https://security.gentoo.org/glsa/201707-06
- https://cgit.freedesktop.org/virglrenderer/commit/?id=0a5dff15912207b83018485f83e067474e818bab
- https://lists.freedesktop.org/archives/virglrenderer-devel/2017-February/000145.html
- http://www.openwall.com/lists/oss-security/2017/02/23/21
- https://bugzilla.redhat.com/show_bug.cgi?id=1426170
- http://www.securityfocus.com/bid/96439