Vulnerability Description
An out-of-bounds write 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 occurs while processing the 'VIRTIO_GPU_CMD_GET_CAPSET' command from the guest. It could allow a privileged guest user to crash the QEMU process on the host, resulting in a denial of service condition, or potential code execution with the privileges of the QEMU process.
CVSS Score
HIGH
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=1958978Issue TrackingThird Party Advisory
- 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=1958978Issue TrackingThird Party Advisory
- 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-2021-3546?
CVE-2021-3546 is a vulnerability with a CVSS score of 8.2 (HIGH). An out-of-bounds write 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 occurs while processing the 'VIRTIO_GPU_CMD_GE...
How severe is CVE-2021-3546?
CVE-2021-3546 has been rated HIGH with a CVSS base score of 8.2/10. Review the CVSS metrics above for detailed severity breakdown.
Is there a patch for CVE-2021-3546?
Check the references section above for vendor advisories and patch information. Affected products include: Qemu Qemu, Debian Debian Linux.