CVE-2022-33741
7.1
HIGH
CVSS 3.1
EPSS 0.04%
描述
Linux disk/nic frontends data leaks T[his CNA information record relates to multiple CVEs; the text explains which aspects/vulnerabilities correspond to which CVE.] Linux Block and Network PV device frontends don't zero memory regions before sharing them with the backend (CVE-2022-26365, CVE-2022-33740). Additionally the granularity of the grant table doesn't allow sharing less than a 4K page, leading to unrelated data residing in the same 4K page as data shared with a backend being accessible by such backend (CVE-2022-33741, CVE-2022-33742).
如何修補 CVE-2022-33741
要修補 CVE-2022-33741,請將受影響套件升級到下列已修補版本。
- —升級至 4.14.5-r3 或更新版本
- —升級至 5.10.127-2 或更新版本
- —未列出修補版本
CVE-2022-33741 正在被利用嗎?
低 — EPSS 為 0.0%,目前沒有觀察到大規模利用活動。
受影響套件(3)
- from 0, < 4.14.5-r3
- from 0, < 5.10.127-2
- from 0
CVSS 分數
| 來源 | 版本 | 嚴重程度 | 向量 |
|---|---|---|---|
| osv | CVSS 3.1 | HIGH7.1 | CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:H |