CVE-2021-3545
MEDIUMQEMU <= 6.0.0 - Information Disclosure via Uninitialized Memory Read in vhost-user-gpu
Title source: llmDescription
An information disclosure vulnerability was found in the virtio vhost-user GPU device (vhost-user-gpu) of QEMU in versions up to and including 6.0. The flaw exists in virgl_cmd_get_capset_info() in contrib/vhost-user-gpu/virgl.c and could occur due to the read of uninitialized memory. A malicious guest could exploit this issue to leak memory from the host.
References (5)
Core 5
Core References
Mailing List, Third Party Advisory mailing-list
x_refsource_mlist
http://www.openwall.com/lists/oss-security/2021/05/31/1
Issue Tracking, Third Party Advisory x_refsource_misc
https://bugzilla.redhat.com/show_bug.cgi?id=1958955
Third Party Advisory x_refsource_confirm
https://security.netapp.com/advisory/ntap-20210720-0008/
Third Party Advisory vendor-advisory
x_refsource_debian
https://www.debian.org/security/2021/dsa-4980
Third Party Advisory vendor-advisory
x_refsource_gentoo
https://security.gentoo.org/glsa/202208-27
Scores
CVSS v3
6.5
EPSS
0.0012
EPSS Percentile
29.9%
Attack Vector
LOCAL
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:H/I:N/A:N
Details
CWE
CWE-908
Status
published
Products (2)
debian/debian_linux
11.0
qemu/qemu
< 6.0.0
Published
Jun 02, 2021
Tracked Since
Feb 18, 2026