CVE-2021-20181
- State
- Published
- Severity
- Not scored
- Published
- May 13, 2021
- Updated
- Aug 3, 2024
- Reserved
- Dec 17, 2020
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.
Scores
The record has no CVSS score.
Weaknesses
- CWE-367 >CWE-416
Affected Products
| Product | Versions |
|---|---|
qemun/a |
|
References
- https://www.zerodayinitiative.com/advisories/ZDI-21-159/
- [debian-lts-announce] 20210218 [SECURITY] [DLA 2560-1] qemu security updatemailing-list
- https://bugzilla.redhat.com/show_bug.cgi?id=1927007
- https://security.netapp.com/advisory/ntap-20210720-0009/
- [debian-lts-announce] 20220905 [SECURITY] [DLA 3099-1] qemu security updatemailing-list
Every record here comes from the CVE Program’s CVE List. © 1999–2026 The MITRE Corporation. CVE is a registered trademark of The MITRE Corporation. The records are reproduced under the CVE Program terms of use.