CVE-2021-20181

Description

A race condition flaw was found in the 9pfs server implementation of QEMU up to and including 5.2.0. This flaw allows a malicious 9p client to cause a use-after-free error, potentially escalating their privileges on the system. The highest threat from this vulnerability is to confidentiality, integrity as well as system availability.

References

https://bugzilla.redhat.com/show_bug.cgi?id=1927007

https://lists.debian.org/debian-lts-announce/2021/02/msg00024.html

https://www.zerodayinitiative.com/advisories/ZDI-21-159/

https://security.netapp.com/advisory/ntap-20210720-0009/

Details

Risk Information

CVSS v2

CVSS v3