Sensitive Information Uncleared Before Release Affecting libvirt-lock-sanlock package, versions <0:3.9.0-14.el7_5.6


Severity

Recommended
high

Based on Red Hat Enterprise Linux security rating.

Threat Intelligence

EPSS
0.77% (82nd percentile)

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  • Snyk IDSNYK-RHEL7-LIBVIRTLOCKSANLOCK-4787056
  • 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 RHEL:7 libvirt-lock-sanlock to version 0:3.9.0-14.el7_5.6 or higher.
This issue was patched in RHSA-2018:1997.

NVD Description

Note: Versions mentioned in the description apply only to the upstream libvirt-lock-sanlock package and not the libvirt-lock-sanlock package as distributed by RHEL. See How to fix? for RHEL: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