CVE-2022-33742
- State
- Published
- Severity
- Not scored
- Published
- Jul 5, 2022
- Updated
- Aug 3, 2024
- Reserved
- Jun 15, 2022
Description
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).
Scores
The record has no CVSS score.
Weaknesses
The record names no weakness.
Affected Products
| Product | Versions |
|---|---|
LinuxLinux |
|
xenXen |
|
References
- https://xenbits.xenproject.org/xsa/advisory-403.txt
- http://xenbits.xen.org/xsa/advisory-403.html
- [oss-security] 20220705 Xen Security Advisory 403 v3 (CVE-2022-26365,CVE-2022-33740,CVE-2022-33741,CVE-2022-33742) - Linux disk/nic frontends data leaksmailing-list
- FEDORA-2022-c4ec706488vendor-advisory
- FEDORA-2022-2c9f8224f8vendor-advisory
- DSA-5191vendor-advisory
- [debian-lts-announce] 20221002 [SECURITY] [DLA 3131-1] linux security updatemailing-list
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