Medium severity5.5NVD Advisory· Published Feb 18, 2022· Updated Jun 17, 2026

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.

AI Insight

LLM-synthesized narrative grounded in this CVE's description and references.

Affected products

QEMU/Qemu4 versions
cpe:2.3:a:qemu:qemu:*:*:*:*:*:*:*:*+ 3 more
- cpe:2.3:a:qemu:qemu:*:*:*:*:*:*:*:*range: >=6.0.0,<=6.1.0
- cpe:2.3:a:qemu:qemu:6.2.0:rc0:*:*:*:*:*:*
- cpe:2.3:a:qemu:qemu:6.2.0:rc1:*:*:*:*:*:*
- (no CPE)range: qemu-kvm 6.2.0-rc2
QEMU/NVMEllm-create

Patches

Vulnerability mechanics

References

bugzilla.redhat.com/show_bug.cginvdIssue TrackingPatchVendor Advisory
security.gentoo.org/glsa/202208-27nvdThird Party Advisory
security.netapp.com/advisory/ntap-20220318-0003/nvdThird Party Advisory

News mentions

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cvss	0.358
epss	0.000
exploit	0.000
kev	0.000
patch	0.000
ransomware	0.000