Cyber Resilience

CVE-2021-3545

Medium

Published: 02 June 2021

Published
02 June 2021
Modified
21 November 2024
KEV Added
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Patch
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CVSS Score v3.1 6.5 CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:H/I:N/A:N
EPSS Score 0.0015 35.5th percentile
Risk Priority 13 60% EPSS · 20% KEV · 20% CVSS

Summary

CVE-2021-3545 is a medium-severity Use of Uninitialized Resource (CWE-908) vulnerability in Qemu Qemu. Its CVSS base score is 6.5 (Medium).

Operationally, ranked at the 35.5th percentile by exploit likelihood (below the median); it is not currently listed in the CISA KEV catalog.

EU & UK References

Vulnerability details

An information disclosure vulnerability was found in the virtio vhost-user GPU device (vhost-user-gpu) of QEMU in versions up to and including 6.0. The flaw exists in virgl_cmd_get_capset_info() in contrib/vhost-user-gpu/virgl.c and could occur due to the read of uninitialized memory. A…

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malicious guest could exploit this issue to leak memory from the host.

CWE(s)
CWE-908

Related Threats

No named actor attribution yet. ATT&CK technique mapping in progress for this CVE.

Affected Assets

qemu
qemu
≤ 6.0.0
debian
debian linux
11.0

Mitigating Controls

No mitigating controls mapped yet. The per-CVE control annotator has not reached this CVE.

References