CVEvulnerability
CVE-2021-3546
8.2 HIGH
Official page ↗
- Status
- Modified
- Published
- 2021-06-02
- Last modified
- 2026-06-17
- Assigner
- [email protected]
- CVSS 3.1 ([email protected])
- 8.2 HIGH — CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:C/C:H/I:H/A:H
- CVSS 2.0 ([email protected])
- 4.6 MEDIUM — AV:L/AC:L/Au:N/C:P/I:P/A:P
- Weaknesses
- CWE-787
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.
Affected configurations
• qemu qemu (<= 6.0.0)
• debian debian linux 11.0
Related
Weakness · CWE (1)
- CWE-787 Out-of-bounds Write weakness
References
- http://www.openwall.com/lists/oss-security/2021/05/31/1 Mailing List, Third Party Advisory
- https://bugzilla.redhat.com/show_bug.cgi?id=1958978 Issue Tracking, Third Party Advisory
- https://security.gentoo.org/glsa/202208-27 Third Party Advisory
- https://security.netapp.com/advisory/ntap-20210720-0008/ Third Party Advisory
- https://www.debian.org/security/2021/dsa-4980 Third Party Advisory
- http://www.openwall.com/lists/oss-security/2021/05/31/1 Mailing List, Third Party Advisory
- https://bugzilla.redhat.com/show_bug.cgi?id=1958978 Issue Tracking, Third Party Advisory
- https://security.gentoo.org/glsa/202208-27 Third Party Advisory
- https://security.netapp.com/advisory/ntap-20210720-0008/ Third Party Advisory
- https://www.debian.org/security/2021/dsa-4980 Third Party Advisory