Sensitive Information Uncleared Before Release Affecting kernel-rt-trace package, versions <0:3.10.0-862.11.6.rt56.819.el7


Severity

Recommended
high

Based on Red Hat Enterprise Linux security rating.

Threat Intelligence

EPSS
0.04% (12th percentile)

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  • Snyk IDSNYK-RHEL7-KERNELRTTRACE-4861811
  • published26 Jul 2021
  • disclosed14 Aug 2018

Introduced: 14 Aug 2018

CVE-2018-3646  (opens in a new tab)
CWE-226  (opens in a new tab)
CWE-200  (opens in a new tab)
First added by Snyk

How to fix?

Upgrade RHEL:7 kernel-rt-trace to version 0:3.10.0-862.11.6.rt56.819.el7 or higher.
This issue was patched in RHSA-2018:2395.

NVD Description

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

Systems with microprocessors utilizing speculative execution and address translations may allow unauthorized disclosure of information residing in the L1 data cache to an attacker with local user access with guest OS privilege via a terminal page fault and a side-channel analysis.

References