CVE-2021-3545

Description

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.

Affected Platforms

Weakness Type

CWE-908, CWE-908

References

• http://www.openwall.com/lists/oss-security/2021/05/31/1
• https://bugzilla.redhat.com/show_bug.cgi?id=1958955
• https://security.gentoo.org/glsa/202208-27
• https://security.netapp.com/advisory/ntap-20210720-0008/
• https://www.debian.org/security/2021/dsa-4980
• http://www.openwall.com/lists/oss-security/2021/05/31/1