CVE-2021-3608

medium

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.

References

https://lists.gnu.org/archive/html/qemu-devel/2021-06/msg07926.html

https://bugzilla.redhat.com/show_bug.cgi?id=1973383

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

Details

Source: MITRE

Published: 2022-02-24

Updated: 2022-05-10

Type: CWE-824

Risk Information

CVSS v2

Base Score: 4.9

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

Impact Score: 6.9

Exploitability Score: 3.9

Severity: MEDIUM

CVSS v3

Base Score: 6

Vector: CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:C/C:N/I:N/A:H

Impact Score: 4

Exploitability Score: 1.5

Severity: MEDIUM