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ALPINE-CVE-2022-33741

ALPINE-CVE-2022-33741 PUBLISHED CVSS 7.099999904632568 HIGH

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).

Risk Scores

CVSS v3.1
7.099999904632568
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:H

Affected Products

VendorProductVersions
Alpine:v3.13xen4.3.2-r3, 4.3.2-r4, 4.3.3-r0
Alpine:v3.14xen4.1.3-r0, 4.14.1-r5, 4.13.0-r3
Alpine:v3.23xen4.14.1-r1, 4.14.1-r0, 4.14.0-r3
Alpine:v3.19xen0, 4.0.1-r0, 4.0.1-r1
Alpine:v3.21xen4.9.1-r2, 4.9.1-r1, 4.9.1-r0
Alpine:v3.15xen4.7.0-r2, 4.9.1-r3, 4.7.0-r3
Alpine:v3.20xen4.2.2-r4, 4.2.2-r5, 4.2.2-r6
Alpine:v3.18xen4.7.0-r0, 0, 4.0.1-r0
Alpine:v3.17xen4.9.1-r3, 4.6.0-r1, 0
Alpine:v3.16xen0, 4.9.1-r3, 4.9.1-r2
Alpine:v3.22xen4.4.1-r3, 4.4.1-r2, 4.4.1-r1

Timeline

  • Jul 5, 2022 CVE Published
  • Dec 3, 2025 CVE Updated
  • Apr 30, 2026 Distribution Patch
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