CVE-2023-2861

Summary

A flaw was found in the 9p passthrough filesystem (9pfs) implementation in QEMU. The 9pfs server did not prohibit opening special files on the host side, potentially allowing a malicious client to escape from the exported 9p tree by creating and opening a device file in the shared folder.

Affected Software

Weaknesses

• CWE-284: Improper Access Control

ADP Enrichment

CISA ADP Vulnrichment

• SSVC:
• Exploitation: poc
  • Automatable: no
  • Technical Impact: partial

CVE Program Container

Additional References

• https://access.redhat.com/security/cve/CVE-2023-2861
• https://bugzilla.redhat.com/show_bug.cgi?id=2219266
• https://lists.debian.org/debian-lts-announce/2024/03/msg00012.html
• https://security.netapp.com/advisory/ntap-20240125-0005/
• https://security.netapp.com/advisory/ntap-20240229-0002/

References

• https://access.redhat.com/security/cve/CVE-2023-2861
• https://bugzilla.redhat.com/show_bug.cgi?id=2219266
• https://lists.debian.org/debian-lts-announce/2024/03/msg00012.html
• https://security.netapp.com/advisory/ntap-20240125-0005/
• https://security.netapp.com/advisory/ntap-20240229-0002/

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