CVE-2021-3546
8.2
HIGH
CVSS 3.1
EPSS 0.46%
描述
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.
如何修補 CVE-2021-3546
要修補 CVE-2021-3546,請將受影響套件升級到下列已修補版本。
- —升級至 1:5.2+dfsg-11+deb11u1 或更新版本
CVE-2021-3546 正在被利用嗎?
低 — EPSS 為 0.5%,目前沒有觀察到大規模利用活動。
受影響套件(1)
- from 0, < 1:5.2+dfsg-11+deb11u1
CVSS 分數
| 來源 | 版本 | 嚴重程度 | 向量 |
|---|---|---|---|
| osv | CVSS 3.1 | HIGH8.2 | CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:C/C:H/I:H/A:H |