CVE-2022-33741

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 products

Astra Linux, Debian, Linuxmint, Red Os, Suse, Ubuntu, Xen

Fedoraproject Fedora

= 35, 36

CVSS 3.1

7.1 HIGH

EPSS

0.3% (25th percentile)

Weakness

CWE-200

NVD status

Modified

Published

2022-07-05

No exploit for CVE-2022-33741 has been indexed yet. Our index is built from live traffic and upstream syncs, so this page can only say what it knows — not that no exploit exists.