Updated: 2023-11-07 19:20:45.881178


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).



Severity Score
CVSS Version 2.x LOW 3.6
CVSS Version 3.x HIGH 7.1


OS name Project name Version Score Severity Status Errata Last updated
CentOS 6 ELS kernel 2.6.32 7.1 HIGH Released CLSA-2023:1700591071 2023-12-05 13:15:18
CentOS 7 ELS kernel 3.10.0 7.1 HIGH In Rollout CLSA-2024:1720468480 2024-07-08 17:36:37
CloudLinux 6 ELS kernel 2.6.32 7.1 HIGH Needs Triage 2023-07-21 00:48:24
Oracle Linux 6 ELS kernel 2.6.32 7.1 HIGH Released CLSA-2023:1700590262 2023-11-21 13:16:18
Ubuntu 16.04 ELS linux-hwe 4.15.0 7.1 HIGH Released CLSA-2022:1666115300 2022-10-18 14:02:36
Ubuntu 16.04 ELS linux 4.4.0 7.1 HIGH Released CLSA-2022:1667414297 2022-11-02 17:03:51