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ALPINE-CVE-2022-33742 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:v3.16xen4.9.0-r8, 4.9.1-r0, 4.9.1-r1
Alpine:v3.15xen4.2.0-r5, 0, 4.0.1-r0
Alpine:v3.22xen4.15.0-r2, 4.15.0-r1, 4.15.0-r0
Alpine:v3.19xen4.3.0-r6, 4.3.0-r4, 4.3.0-r3
Alpine:v3.17xen4.1.0-r1, 4.1.0-r2, 4.1.1-r0
Alpine:v3.14xen4.10.0-r3, 0, 4.0.1-r0
Alpine:v3.20xen4.3.1-r2, 0, 4.0.1-r0
Alpine:v3.21xen4.14.1-r3, 4.9.1-r3, 4.9.1-r2
Alpine:v3.23xen4.9.1-r3, 0, 4.0.1-r0
Alpine:v3.13xen0, 4.9.1-r3, 4.9.1-r2
Alpine:v3.18xen4.9.1-r3, 4.3.1-r3, 4.3.2-r0

Timeline

References

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