CVE-2022-33742

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Source
https://nvd.nist.gov/vuln/detail/CVE-2022-33742
Import Source
https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2022-33742.json
JSON Data
https://api.osv.dev/v1/vulns/CVE-2022-33742
Downstream
Related
Published
2022-07-05T13:15:08Z
Modified
2025-08-09T19:01:27Z
Severity
  • 7.1 (High) CVSS_V3 - CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:H CVSS Calculator
Summary
[none]
Details

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).

References

Affected packages