vulnerability
Debian: CVE-2021-20181: qemu -- security update
| Severity | CVSS | Published | Added | Modified |
|---|---|---|---|---|
| 7 | (AV:L/AC:M/Au:N/C:C/I:C/A:C) | Feb 19, 2021 | Feb 19, 2021 | Mar 30, 2026 |
Severity
7
CVSS
(AV:L/AC:M/Au:N/C:C/I:C/A:C)
Published
Feb 19, 2021
Added
Feb 19, 2021
Modified
Mar 30, 2026
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.
Solution
debian-upgrade-qemu
Rapid7 Labs
2026 Global Threat Landscape Report
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