CVE-2021-3545

medium

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.

References

https://bugzilla.redhat.com/show_bug.cgi?id=1958955

http://www.openwall.com/lists/oss-security/2021/05/31/1

https://security.netapp.com/advisory/ntap-20210720-0008/

https://www.debian.org/security/2021/dsa-4980

Details

Source: MITRE

Published: 2021-06-02

Updated: 2021-10-18

Type: CWE-200

Risk Information

CVSS v2

Base Score: 2.1

Vector: AV:L/AC:L/Au:N/C:P/I:N/A:N

Impact Score: 2.9

Exploitability Score: 3.9

Severity: LOW

CVSS v3

Base Score: 6.5

Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:H/I:N/A:N

Impact Score: 4

Exploitability Score: 2

Severity: MEDIUM