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


Severity

Recommended
high

Based on Red Hat Enterprise Linux security rating

    Threat Intelligence

    EPSS
    0.36% (73rd percentile)

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  • Snyk ID SNYK-RHEL7-KERNELDEBUG-4783567
  • published 26 Jul 2021
  • disclosed 21 May 2018

How to fix?

Upgrade RHEL:7 kernel-debug to version 0:3.10.0-862.6.3.el7 or higher.
This issue was patched in RHSA-2018:1965.

NVD Description

Note: Versions mentioned in the description apply only to the upstream kernel-debug package and not the kernel-debug 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
Expand this section

NVD

5.5 medium
  • Attack Vector (AV)
    Local
  • Attack Complexity (AC)
    Low
  • Privileges Required (PR)
    Low
  • User Interaction (UI)
    None
  • Scope (S)
    Unchanged
  • Confidentiality (C)
    High
  • Integrity (I)
    None
  • Availability (A)
    None