VDB
DEBIAN-CVE-2021-20181
DEBIAN-CVE-2021-20181
PUBLISHED
CVSS 7.5 HIGH
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.
Risk Scores
CVSS 3.1
7.5
CVSS:3.1/AV:L/AC:H/PR:H/UI:N/S:C/C:H/I:H/A:H
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| Debian:11 | qemu | 0, 0, 0 |
| Debian:12 | qemu | 0, 0, 0 |
| Debian:14 | qemu | 0, 0, 0 |
| Debian:13 | qemu | 0, 0, 0 |
Timeline
- May 13, 2021 CVE Published
- Apr 28, 2026 CVE Updated