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CVE-2022-33741

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).


Affected Software


CPE Name Name Version
xen 4.0.1
xen 4.1.0
xen 4.1.1
xen 4.1.2
xen 4.1.3
xen 4.10.0
xen 4.10.1
xen 4.11.0
xen 4.11.1
xen 4.12.0
xen 4.12.1
xen 4.13.0
xen 4.13.1
xen 4.14.0
xen 4.14.1
xen 4.15.0
xen 4.15.1
xen 4.16.0
xen 4.16.1
xen 4.2.0
xen 4.2.1
xen 4.2.2
xen 4.3.0
xen 4.3.1
xen 4.3.2
xen 4.3.3
xen 4.4.1
xen 4.4.2
xen 4.5.0
xen 4.5.1
xen 4.6.0
xen 4.6.1
xen 4.6.3
xen 4.7.0
xen 4.7.1
xen 4.7.2
xen 4.8.1
xen 4.9.0
xen 4.9.1

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