Vulnerability Monitor

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CVE-2021-3607

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.

Published

2022-02-24T19:15:09.113

Last Modified

2024-11-21T06:21:57.923

Status

Modified

Source

[email protected]

Severity

CVSSv3.1: 6.0 (MEDIUM)

CVSSv2 Vector

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

  • Access Vector: LOCAL
  • Access Complexity: LOW
  • Authentication: NONE
  • Confidentiality Impact: NONE
  • Integrity Impact: NONE
  • Availability Impact: COMPLETE
Exploitability Score

3.9

Impact Score

6.9

Weaknesses
  • Type: Secondary
    CWE-190
  • Type: Primary
    CWE-190
Affected Vendors & Products
Type Vendor Product Version/Range Vulnerable?
Application qemu qemu < 6.1.0 Yes
Operating System debian debian_linux 10.0 Yes
Operating System fedoraproject fedora 34 Yes
References