CVE-2021-3947
5.5
MEDIUM
CVSS 3.1
EPSS 0.06%
Description
A stack-buffer-overflow was found in QEMU in the NVME component. The flaw lies in nvme_changed_nslist() where a malicious guest controlling certain input can read out of bounds memory. A malicious user could use this flaw leading to disclosure of sensitive information.
How to fix CVE-2021-3947
To remediate CVE-2021-3947, upgrade the affected package to a fixed version below.
- Debian/qemu—upgrade to 1:6.2+dfsg-1 or later
Is CVE-2021-3947 being exploited?
Low — EPSS is 0.1%, meaning exploitation activity has not been observed at scale.
Affected packages (1)
- from 0, < 1:6.2+dfsg-1
CVSS scores
| Source | Version | Severity | Vector |
|---|---|---|---|
| osv | CVSS 3.1 | MEDIUM5.5 | CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N |