CVE-2022-33742
HIGH7.1EPSS 0.05%發布日:2022/7/5修改日:2025/12/3
也稱為:ALPINE-CVE-2022-33742
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).
受影響套件(3)
- Alpine/xenfrom 0, < 4.14.5-r3
- Debian/linuxfrom 0, < 5.10.127-2
- Debian/xenfrom 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 |