CVE-2021-20181
N/A
N/A
Summary
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.
Affected Software
| Vendor | Product | Version Range | Status |
|---|---|---|---|
| n/a | qemu | up to, including 5.2.0 | affected |
Weaknesses
- CWE-367: CWE-367->CWE-416
ADP Enrichment
CVE Program Container
Additional References
- https://www.zerodayinitiative.com/advisories/ZDI-21-159/
- https://lists.debian.org/debian-lts-announce/2021/02/msg00024.html
- https://bugzilla.redhat.com/show_bug.cgi?id=1927007
- https://security.netapp.com/advisory/ntap-20210720-0009/
- https://lists.debian.org/debian-lts-announce/2022/09/msg00008.html
References
- https://www.zerodayinitiative.com/advisories/ZDI-21-159/
- https://lists.debian.org/debian-lts-announce/2021/02/msg00024.html
- https://bugzilla.redhat.com/show_bug.cgi?id=1927007
- https://security.netapp.com/advisory/ntap-20210720-0009/
- https://lists.debian.org/debian-lts-announce/2022/09/msg00008.html
Feedback
Was this page helpful?
Glad to hear it! Please tell us how we can improve.
Sorry to hear that. Please tell us how we can improve.