Information Exposure Affecting kernel-modules package, versions <0:4.18.0-240.8.1.el8_3


Severity

Recommended
medium

Based on Red Hat Enterprise Linux security rating

    Threat Intelligence

    EPSS
    0.43% (76th percentile)

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  • Snyk ID SNYK-RHEL8-KERNELMODULES-3919210
  • published 26 Jul 2021
  • disclosed 29 Jul 2020

How to fix?

Upgrade RHEL:8 kernel-modules to version 0:4.18.0-240.8.1.el8_3 or higher.
This issue was patched in RHSA-2020:5473.

NVD Description

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

The Linux kernel through 5.7.11 allows remote attackers to make observations that help to obtain sensitive information about the internal state of the network RNG, aka CID-f227e3ec3b5c. This is related to drivers/char/random.c and kernel/time/timer.c.

References

CVSS Scores

version 3.1
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NVD

3.7 low
  • Attack Vector (AV)
    Network
  • Attack Complexity (AC)
    High
  • Privileges Required (PR)
    None
  • User Interaction (UI)
    None
  • Scope (S)
    Unchanged
  • Confidentiality (C)
    Low
  • Integrity (I)
    None
  • Availability (A)
    None
Expand this section

Red Hat

3.7 low
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SUSE

5.9 medium