Information Exposure Affecting kernel-zfcpdump-devel package, versions <0:4.18.0-147.38.1.el8_1


Severity

Recommended
high

Based on Red Hat Enterprise Linux security rating

    Threat Intelligence

    EPSS
    0.43% (76th percentile)

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  • Snyk ID SNYK-RHEL8-KERNELZFCPDUMPDEVEL-3941463
  • published 26 Jul 2021
  • disclosed 29 Jul 2020

How to fix?

Upgrade RHEL:8 kernel-zfcpdump-devel to version 0:4.18.0-147.38.1.el8_1 or higher.
This issue was patched in RHSA-2021:0184.

NVD Description

Note: Versions mentioned in the description apply only to the upstream kernel-zfcpdump-devel package and not the kernel-zfcpdump-devel 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.

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
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Red Hat

3.7 low
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SUSE

5.9 medium