Vulnerability CVE-2021-3546: Information
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.
Severity: HIGH (8.2) Vector: CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:C/C:H/I:H/A:H
Fixed packages
Package name | Branch | Fixed in version | Version from repository | Errata ID | Task # | State |
|---|---|---|---|---|---|---|
| qemu | sisyphus | 6.1.0-alt1 | 8.2.2-alt3 | ALT-PU-2021-2713-1 | 284381 | Fixed |
| qemu | sisyphus_e2k | 7.2.0-alt3.E2K.3 | 7.2.0-alt3.E2K.4 | ALT-PU-2024-1953-1 | - | Fixed |
| qemu | p10 | 6.1.0-alt2 | 8.2.2-alt0.p10.1 | ALT-PU-2021-3363-1 | 289854 | Fixed |
| qemu | p10_e2k | 7.2.0-alt3.E2K.0 | 7.2.0-alt3.E2K.3 | ALT-PU-2023-6766-1 | - | Fixed |
| qemu | c10f1 | 6.1.0-alt2 | 8.0.4-alt1.p10 | ALT-PU-2021-3363-1 | 289854 | Fixed |
| qemu | c9f2 | 5.2.0-alt6.c9.1 | 5.2.0-alt6.c9.1 | ALT-PU-2021-3078-1 | 284979 | Fixed |
References to Advisories, Solutions, and Tools
Hyperlink | Resource |
|---|---|
| https://bugzilla.redhat.com/show_bug.cgi?id=1958978 |
|
| [oss-security] 20210531 QEMU: security issues in vhost-user-gpu |
|
| https://security.netapp.com/advisory/ntap-20210720-0008/ |
|
| DSA-4980 |
|
| GLSA-202208-27 |
|