CVE-2020-11740
5.5
MEDIUM
CVSS 3.1
EPSS 0.43%
描述
An issue was discovered in xenoprof in Xen through 4.13.x, allowing guest OS users (without active profiling) to obtain sensitive information about other guests. Unprivileged guests can request to map xenoprof buffers, even if profiling has not been enabled for those guests. These buffers were not scrubbed.
如何修補 CVE-2020-11740
要修補 CVE-2020-11740,請將受影響套件升級到下列已修補版本。
- Alpine/xen—升級至 4.12.2-r1 或更新版本
CVE-2020-11740 正在被利用嗎?
低 — EPSS 為 0.4%,目前沒有觀察到大規模利用活動。
受影響套件(1)
- >= 3.2.0, < 4.12.2-r1
CVSS 分數
| 來源 | 版本 | 嚴重程度 | 向量 |
|---|---|---|---|
| osv | CVSS 3.1 | MEDIUM5.5 | CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N |