CVE-2021-3608 Information

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.

CVSS Vector

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

Reference

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/

Attack Complexity

LOW

Privileges Required

HIGH

User Interaction Required

HIGH

Scope

NONE

Confidentiality Impact

CHANGED

Integrity Impact

NONE

Availability Impact

NONE

Base Score

HIGH

Base Severity

6.0