Sensitive Information Uncleared Before Release Affecting kernel-kdump package, versions <0:3.10.0-862.6.3.el7


Severity

Recommended
high

Based on CentOS security rating.

Threat Intelligence

EPSS
0.36% (73rd percentile)

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  • Snyk IDSNYK-CENTOS7-KERNELKDUMP-2103382
  • published26 Jul 2021
  • disclosed21 May 2018

Introduced: 21 May 2018

CVE-2018-3639  (opens in a new tab)
CWE-226  (opens in a new tab)
CWE-200  (opens in a new tab)

How to fix?

Upgrade Centos:7 kernel-kdump to version 0:3.10.0-862.6.3.el7 or higher.

NVD Description

Note: Versions mentioned in the description apply only to the upstream kernel-kdump package and not the kernel-kdump package as distributed by Centos. See How to fix? for Centos:7 relevant fixed versions and status.

Systems with microprocessors utilizing speculative execution and speculative execution of memory reads before the addresses of all prior memory writes are known may allow unauthorized disclosure of information to an attacker with local user access via a side-channel analysis, aka Speculative Store Bypass (SSB), Variant 4.

References

CVSS Scores

version 3.1