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).
https://security.gentoo.org/glsa/201707-06
http://www.securityfocus.com/bid/96439
https://lists.freedesktop.org/archives/virglrenderer-devel/2017-February/000145.html
https://cgit.freedesktop.org/virglrenderer/commit/?id=0a5dff15912207b83018485f83e067474e818bab
https://bugzilla.redhat.com/show_bug.cgi?id=1426170
http://www.openwall.com/lists/oss-security/2017/02/23/21
Source: Mitre, NVD
Published: 2017-03-15
Updated: 2025-04-20
Base Score: 2.1
Vector: CVSS2#AV:L/AC:L/Au:N/C:N/I:N/A:P
Severity: Low
Base Score: 6.5
Vector: CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:C/C:N/I:N/A:H
Severity: Medium
EPSS: 0.00066