CVE-2022-33742

Summary

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 Software

VendorProductVersion RangeStatus
LinuxLinuxconsult Xen advisory XSA-403unknown
Xenxenconsult Xen advisory XSA-403unknown

Weaknesses

  • unknown

ADP Enrichment

CVE Program Container

Additional References

References