CVE-2021-3607
Severity CVSS v4.0:
Pending analysis
Type:
CWE-190
Integer Overflow or Wraparound
Publication date:
24/02/2022
Last modified:
07/11/2023
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.
Impact
Base Score 3.x
6.00
Severity 3.x
MEDIUM
Base Score 2.0
4.90
Severity 2.0
MEDIUM
Vulnerable products and versions
CPE | From | Up to |
---|---|---|
cpe:2.3:a:qemu:qemu:*:*:*:*:*:*:*:* | 6.1.0 (excluding) | |
cpe:2.3:o:debian:debian_linux:10.0:*:*:*:*:*:*:* | ||
cpe:2.3:o:fedoraproject:fedora:34:*:*:*:*:*:*:* |
To consult the complete list of CPE names with products and versions, see this page