VULNERABILITY INTELLIGENCE

CVE-2021-3608

CVSS score6 MEDIUM
EPSS probability0.36%
CISA KEVNot currently listed
Published2022-02-24
Last modified2026-06-17
CVSS vectorCVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:C/C:N/I:N/A:H

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.

Weakness classification

  • CWE-824: Access of Uninitialized Pointer

Primary references