Integer Overflow or Wraparound Affecting qemu-img package, versions <15:4.2.1-11.module+el8.4.0+20319+6eb4347c


Severity

Recommended
high

Based on Oracle Linux security rating.

Threat Intelligence

EPSS
0.05% (16th percentile)

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  • Snyk IDSNYK-ORACLE8-QEMUIMG-2602441
  • published10 Apr 2022
  • disclosed24 Feb 2022

Introduced: 24 Feb 2022

CVE-2021-3607  (opens in a new tab)
CWE-190  (opens in a new tab)

How to fix?

Upgrade Oracle:8 qemu-img to version 15:4.2.1-11.module+el8.4.0+20319+6eb4347c or higher.
This issue was patched in ELSA-2021-9568.

NVD Description

Note: Versions mentioned in the description apply only to the upstream qemu-img package and not the qemu-img package as distributed by Oracle. See How to fix? for Oracle:8 relevant fixed versions and status.

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.

CVSS Scores

version 3.1