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Exposure of Sensitive Information to an Unauthorized Actor

CVE-2021-3545

Medium
6.5/10

Summary

An information disclosure vulnerability was found in the virtio vhost-user GPU device (vhost-user-gpu) of QEMU in versions 4.1.0-rc0 through 6.0.0. The flaw exists in "virgl_cmd_get_capset_info()" in "contrib/vhost-user-gpu/virgl.c" and could occur due to the read of uninitialized memory. A malicious guest could exploit this issue to leak memory from the host.

  • LOW
  • LOCAL
  • NONE
  • CHANGED
  • NONE
  • LOW
  • HIGH
  • NONE

CWE-200 - Information Exposure

An information exposure vulnerability is categorized as an information flow (IF) weakness, which can potentially allow unauthorized access to otherwise classified information in the application, such as confidential personal information (demographics, financials, health records, etc.), business secrets, and the application's internal environment.

References

Advisory Timeline

  • Published