Vulnerability Monitor

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CVE-2021-3544

Several memory leaks were found in the virtio vhost-user GPU device (vhost-user-gpu) of QEMU in versions up to and including 6.0. They exist in contrib/vhost-user-gpu/vhost-user-gpu.c and contrib/vhost-user-gpu/virgl.c due to improper release of memory (i.e., free) after effective lifetime.

Published

2021-06-02T14:15:10.177

Last Modified

2024-11-21T06:21:48.340

Status

Modified

Source

[email protected]

Severity

CVSSv3.1: 6.5 (MEDIUM)

CVSSv2 Vector

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

Access Vector: LOCAL
Access Complexity: LOW
Authentication: NONE
Confidentiality Impact: NONE
Integrity Impact: NONE
Availability Impact: PARTIAL

Exploitability Score

3.9

Impact Score

2.9

Weaknesses

Type: Secondary
CWE-401
Type: Primary
CWE-401

Affected Vendors & Products

Type	Vendor	Product	Version/Range	Vulnerable?
Application	qemu	qemu	≤ 6.0.0	Yes
Operating System	debian	debian_linux	11.0	Yes

References

http://www.openwall.com/lists/oss-security/2021/05/31/1 Mailing List, Third Party Advisory ([email protected])
https://bugzilla.redhat.com/show_bug.cgi?id=1958935 Issue Tracking ([email protected])
https://security.gentoo.org/glsa/202208-27 Third Party Advisory ([email protected])
https://security.netapp.com/advisory/ntap-20210720-0008/ Third Party Advisory ([email protected])
https://www.debian.org/security/2021/dsa-4980 Third Party Advisory ([email protected])
http://www.openwall.com/lists/oss-security/2021/05/31/1 Mailing List, Third Party Advisory (af854a3a-2127-422b-91ae-364da2661108)
https://bugzilla.redhat.com/show_bug.cgi?id=1958935 Issue Tracking (af854a3a-2127-422b-91ae-364da2661108)
https://security.gentoo.org/glsa/202208-27 Third Party Advisory (af854a3a-2127-422b-91ae-364da2661108)
https://security.netapp.com/advisory/ntap-20210720-0008/ Third Party Advisory (af854a3a-2127-422b-91ae-364da2661108)
https://www.debian.org/security/2021/dsa-4980 Third Party Advisory (af854a3a-2127-422b-91ae-364da2661108)