Linux disk/nic frontends data leaks T[his CNA information...
High severity
Unreviewed
Published
Jul 6, 2022
to the GitHub Advisory Database
•
Updated Jan 31, 2023
Description
Published by the National Vulnerability Database
Jul 5, 2022
Published to the GitHub Advisory Database
Jul 6, 2022
Last updated
Jan 31, 2023
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).
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