CVE-2021-3607

medium

Description

An integer overflow 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 due to improper input validation. This flaw allows a privileged guest user to make QEMU allocate a large amount of memory, resulting in a denial of service. The highest threat from this vulnerability is to system availability.

References

https://bugzilla.redhat.com/show_bug.cgi?id=1973349

https://lists.debian.org/debian-lts-announce/2022/09/msg00008.html

https://lists.gnu.org/archive/html/qemu-devel/2021-06/msg07925.html

https://security.gentoo.org/glsa/202208-27

https://security.netapp.com/advisory/ntap-20220318-0002/

Details

Source: Mitre, NVD

Published: 2022-02-24

Risk Information

CVSS v2

Base Score: 4.9

Vector: CVSS2#AV:L/AC:L/Au:N/C:N/I:N/A:C

Severity: Medium

CVSS v3

Base Score: 6

Vector: CVSS:3.0/AV:L/AC:L/PR:H/UI:N/S:C/C:N/I:N/A:H

Severity: Medium