Reachable Assertion Affecting virt:rhel/nbdkit-basic-plugins package, versions <0:1.16.2-4.module+el8.3.0+6922+fd575af8


Severity

Recommended
medium

Based on Red Hat Enterprise Linux security rating.

Threat Intelligence

EPSS
0.05% (16th percentile)

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  • Snyk IDSNYK-RHEL8-VIRT-4058367
  • published26 Jul 2021
  • disclosed12 Aug 2020

Introduced: 12 Aug 2020

CVE-2020-25723  (opens in a new tab)
CWE-617  (opens in a new tab)

How to fix?

Upgrade RHEL:8 virt:rhel/nbdkit-basic-plugins to version 0:1.16.2-4.module+el8.3.0+6922+fd575af8 or higher.
This issue was patched in RHSA-2021:1762.

NVD Description

Note: Versions mentioned in the description apply only to the upstream virt:rhel/nbdkit-basic-plugins package and not the virt:rhel/nbdkit-basic-plugins package as distributed by RHEL. See How to fix? for RHEL:8 relevant fixed versions and status.

A reachable assertion issue was found in the USB EHCI emulation code of QEMU. It could occur while processing USB requests due to missing handling of DMA memory map failure. A malicious privileged user within the guest may abuse this flaw to send bogus USB requests and crash the QEMU process on the host, resulting in a denial of service.

CVSS Scores

version 3.1