CVE-2022-33740

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).

Score
CVSS 3.1 7.1 High
Status
Modified - security@xen.org
Published
2022-07-05
Last modified
2024-08-03
Weaknesses
CWE-212

Affected products

References

 
 
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