Allocation of Resources Without Limits or Throttling Affecting spice-vdagent package, versions <0:0.20.0-3.el8


Severity

Recommended
medium

Based on Red Hat Enterprise Linux security rating.

Threat Intelligence

EPSS
0.5% (42nd percentile)

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  • Snyk IDSNYK-RHEL8-SPICEVDAGENT-4008661
  • published26 Jul 2021
  • disclosed3 Nov 2020

Introduced: 3 Nov 2020

CVE-2020-25650  (opens in a new tab)
CWE-770  (opens in a new tab)

How to fix?

Upgrade RHEL:8 spice-vdagent to version 0:0.20.0-3.el8 or higher.
This issue was patched in RHSA-2021:1791.

NVD Description

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

A flaw was found in the way the spice-vdagentd daemon handled file transfers from the host system to the virtual machine. Any unprivileged local guest user with access to the UNIX domain socket path /run/spice-vdagentd/spice-vdagent-sock could use this flaw to perform a memory denial of service for spice-vdagentd or even other processes in the VM system. The highest threat from this vulnerability is to system availability. This flaw affects spice-vdagent versions 0.20 and previous versions.

CVSS Base Scores

version 3.1