Use of Cryptographically Weak Pseudo-Random Number Generator (PRNG) Affecting edk2 package, versions <0:20220126gitbb1bba3d77-13.el8_10.2


Severity

Recommended
medium

Based on Rocky Linux security rating.

Threat Intelligence

EPSS
0.38% (59th percentile)

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  • Snyk IDSNYK-ROCKY8-EDK2-10066185
  • published8 May 2025
  • disclosed16 Jan 2024

Introduced: 16 Jan 2024

CVE-2023-45236  (opens in a new tab)
CWE-338  (opens in a new tab)

How to fix?

Upgrade Rocky-Linux:8 edk2 to version 0:20220126gitbb1bba3d77-13.el8_10.2 or higher.
This issue was patched in RLSA-2024:5297.

NVD Description

Note: Versions mentioned in the description apply only to the upstream edk2 package and not the edk2 package as distributed by Rocky-Linux. See How to fix? for Rocky-Linux:8 relevant fixed versions and status.

EDK2's Network Package is susceptible to a predictable TCP Initial Sequence Number. This vulnerability can be exploited by an attacker to gain unauthorized access and potentially lead to a loss of Confidentiality.

CVSS Base Scores

version 3.1