🛡️ CVE-2022-26365
🟠 CVSS 7.1 — High ✅ No Known Exploit CWE-401 NVD
7.1
CVSS Score
0 Low4 Medium7 High9 Critical10

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).

Details

Severity HIGH
CVSS Score 7.1
CVSS Vector CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:H
CWE CWE-401
Public Exploit ✅ No
Source NVD
Published 2022-07-05
Updated 2026-06-08
Modified 2024-11-21

Affected Packages

Software From version Fixed in
debian-linux — —
fedora — —
linux-kernel — —
xen — —

References

Mailing List, Patch, Third Party Advisory http://www.openwall.com/lists/oss-security/2022/07/05/6
Mailing List, Patch, Third Party Advisory http://www.openwall.com/lists/oss-security/2022/07/05/6

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