CVE-2021-3608

Description

A flaw was found in the QEMU implementation of VMWare's paravirtual RDMA device in versions prior to 6.1.0. The issue occurs while handling a "PVRDMA_REG_DSRHIGH" write from the guest and may result in a crash of QEMU or cause undefined behavior due to the access of an uninitialized pointer. The highest threat from this vulnerability is to system availability.

Category

6.0
CVSS
Severity: Medium
CVSS 3.1 •
CVSS 2.0 •
EPSS 0.02%
Vendor Advisory gentoo.org
Affected: n/a QEMU
Published at:
Updated at:

References

Link Tags
https://bugzilla.redhat.com/show_bug.cgi?id=1973383 issue tracking third party advisory
https://lists.gnu.org/archive/html/qemu-devel/2021-06/msg07926.html mailing list third party advisory patch
https://security.netapp.com/advisory/ntap-20220318-0002/ third party advisory
https://security.gentoo.org/glsa/202208-27 third party advisory vendor advisory
https://lists.debian.org/debian-lts-announce/2022/09/msg00008.html third party advisory mailing list

Frequently Asked Questions

What is the severity of CVE-2021-3608?
CVE-2021-3608 has been scored as a medium severity vulnerability.
How to fix CVE-2021-3608?
To fix CVE-2021-3608, 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-2021-3608 being actively exploited in the wild?
As for now, there are no information to confirm that CVE-2021-3608 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-2021-3608?
CVE-2021-3608 affects n/a QEMU.
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