CVE-2021-3947

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.

Category

5.5
CVSS
Severity: Medium
CVSS 3.1 •
CVSS 2.0 •
EPSS 0.04%
Vendor Advisory gentoo.org Vendor Advisory redhat.com
Affected: n/a QEMU
Published at:
Updated at:

References

Link Tags
https://bugzilla.redhat.com/show_bug.cgi?id=2021869 patch vendor advisory issue tracking
https://security.netapp.com/advisory/ntap-20220318-0003/ third party advisory
https://security.gentoo.org/glsa/202208-27 third party advisory vendor advisory

Frequently Asked Questions

What is the severity of CVE-2021-3947?
CVE-2021-3947 has been scored as a medium severity vulnerability.
How to fix CVE-2021-3947?
To fix CVE-2021-3947, make sure you are using an up-to-date version of the affected component(s) by checking the vendor release notes. As for now, there are no other specific guidelines available.
Is CVE-2021-3947 being actively exploited in the wild?
As for now, there are no information to confirm that CVE-2021-3947 is being actively exploited. According to its EPSS score, there is a ~0% probability that this vulnerability will be exploited by malicious actors in the next 30 days.
What software or system is affected by CVE-2021-3947?
CVE-2021-3947 affects n/a QEMU.
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