CVE-2021-3608

Aliases:DEBIAN-CVE-2021-3608
Advisory lineage Upstream: 0 Downstream: 13
Modified
Published: 24 Feb 2022, 18:50
Last modified:03 Aug 2024, 17:01

Vulnerability Summary

Overall Risk (default)
low
24/100
CVSS Score
6 MEDIUM
v3.1 (nvd)
EPSS Score
0.36% LOW
0% probability +0.33%
KEV
Not listed
Ransomware
No reports
Public exploits
None found
Dark Web
Not detected

Timeline

24 Feb 2022, 18:50
Published
Vulnerability first disclosed
03 Aug 2024, 17:01
Last Modified
Vulnerability information updated

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 Metrics

  • v3.1•MEDIUM•Score: 6CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:C/C:N/I:N/A:H
  • v2.0•MEDIUM•Score: 4.9AV:L/AC:L/Au:N/C:N/I:N/A:C

EPSS Trends

Current EPSS score: 0.36%• Percentile: 30%

Techniques & Countermeasures

  • CWE-824•Access of Uninitialized Pointer

    The product accesses or uses a pointer that has not been initialized.

Affected Systems

  • debian•qemu

    < 1:5.2+dfsg-11 | < 1:5.2+dfsg-11 | < 1:5.2+dfsg-11 | < 1:5.2+dfsg-11

  • debian•debian_linux

    10.0

  • fedoraproject•fedora

    34

  • qemu•qemu

    < 6.1.0

References (6)