Vulnerability Description
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.
CVSS Score
MEDIUM
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| Qemu | Qemu | <= 6.0.0 |
| Debian | Debian Linux | 11.0 |
Related Weaknesses (CWE)
References
- http://www.openwall.com/lists/oss-security/2021/05/31/1Mailing ListThird Party Advisory
- https://bugzilla.redhat.com/show_bug.cgi?id=1958935Issue Tracking
- https://security.gentoo.org/glsa/202208-27Third Party Advisory
- https://security.netapp.com/advisory/ntap-20210720-0008/Third Party Advisory
- https://www.debian.org/security/2021/dsa-4980Third Party Advisory
- http://www.openwall.com/lists/oss-security/2021/05/31/1Mailing ListThird Party Advisory
- https://bugzilla.redhat.com/show_bug.cgi?id=1958935Issue Tracking
- https://security.gentoo.org/glsa/202208-27Third Party Advisory
- https://security.netapp.com/advisory/ntap-20210720-0008/Third Party Advisory
- https://www.debian.org/security/2021/dsa-4980Third Party Advisory
FAQ
What is CVE-2021-3544?
CVE-2021-3544 is a vulnerability with a CVSS score of 6.5 (MEDIUM). 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/vhos...
How severe is CVE-2021-3544?
CVE-2021-3544 has been rated MEDIUM with a CVSS base score of 6.5/10. Review the CVSS metrics above for detailed severity breakdown.
Is there a patch for CVE-2021-3544?
Check the references section above for vendor advisories and patch information. Affected products include: Qemu Qemu, Debian Debian Linux.