Time of Check Time of Use (TOCTOU) Affecting data_plane_development_kit package, versions [18.02.1,18.11.10)[19.02,19.11.5)


Severity

Recommended
0.0
high
0
10

CVSS assessment made by Snyk's Security Team. Learn more

Threat Intelligence

EPSS
0.05% (17th percentile)

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  • Snyk IDSNYK-UNMANAGED-DATAPLANEDEVELOPMENTKIT-2369697
  • published26 Jan 2022
  • disclosed30 Sept 2020
  • creditUnknown

Introduced: 30 Sep 2020

CVE-2020-14375  (opens in a new tab)
CWE-367  (opens in a new tab)

How to fix?

Upgrade data_plane_development_kit to version 18.11.10, 19.11.5 or higher.

Overview

Affected versions of this package are vulnerable to Time of Check Time of Use (TOCTOU). A flaw was found in dpdk in versions before 18.11.10 and before 19.11.5. Virtio ring descriptors, and the data they describe are in a region of memory accessible by from both the virtual machine and the host. An attacker in a VM can change the contents of the memory after vhost_crypto has validated it. The highest threat from this vulnerability is to data confidentiality and integrity as well as system availability.

CVSS Base Scores

version 3.1