vulnerability
Debian: CVE-2022-33741: linux, xen -- security update
| Severity | CVSS | Published | Added | Modified |
|---|---|---|---|---|
| 4 | (AV:L/AC:L/Au:N/C:P/I:N/A:P) | Jul 5, 2022 | Oct 3, 2022 | May 27, 2025 |
Severity
4
CVSS
(AV:L/AC:L/Au:N/C:P/I:N/A:P)
Published
Jul 5, 2022
Added
Oct 3, 2022
Modified
May 27, 2025
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).
Solution(s)
debian-upgrade-linuxdebian-upgrade-xenno-fix-debian-deb-package
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