CVE-2021-20181

Name
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.
NVD Severity
medium
Other trackers
Mailing lists
Exploits
Forges
GitHub (code, issues), Aports (code, issues)

References

Type URI
MISC https://bugzilla.redhat.com/show_bug.cgi?id=1927007
MLIST https://lists.debian.org/debian-lts-announce/2021/02/msg00024.html
MISC https://www.zerodayinitiative.com/advisories/ZDI-21-159/
CONFIRM https://security.netapp.com/advisory/ntap-20210720-0009/

Match rules

CPE URI Source package Min version Max version
cpe:2.3:a:qemu:qemu:*:*:*:*:*:*:*:* qemu >= None <= 5.2.0

Vulnerable and fixed packages

Source package Branch Version Maintainer Status