Insecure Randomness Affecting torvalds/linux package, versions [,5.10.0)


Severity

Recommended
0.0
high
0
10

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

Threat Intelligence

EPSS
0.52% (66th percentile)

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  • Snyk IDSNYK-UNMANAGED-TORVALDSLINUX-3006711
  • published26 Jan 2022
  • disclosed17 Nov 2020
  • creditUnknown

Introduced: 17 Nov 2020

CVE-2020-25705  (opens in a new tab)
CWE-330  (opens in a new tab)

How to fix?

Upgrade torvalds/linux to version 5.10.0 or higher.

Overview

Affected versions of this package are vulnerable to Insecure Randomness. A flaw in ICMP packets in the Linux kernel may allow an attacker to quickly scan open UDP ports. This flaw allows an off-path remote attacker to effectively bypass source port UDP randomization. Software that relies on UDP source port randomization are indirectly affected as well on the Linux Based Products (RUGGEDCOM RM1224: All versions between v5.0 and v6.4, SCALANCE M-800: All versions between v5.0 and v6.4, SCALANCE S615: All versions between v5.0 and v6.4, SCALANCE SC-600: All versions prior to v2.1.3, SCALANCE W1750D: v8.3.0.1, v8.6.0, and v8.7.0, SIMATIC Cloud Connect 7: All versions, SIMATIC MV500 Family: All versions, SIMATIC NET CP 1243-1 (incl. SIPLUS variants): Versions 3.1.39 and later, SIMATIC NET CP 1243-7 LTE EU: Version

References

CVSS Base Scores

version 3.1