Information Exposure Affecting perf package, versions <0:4.18.0-372.32.1.el8_6


Severity

Recommended
high

Based on Red Hat Enterprise Linux security rating

    Threat Intelligence

    EPSS
    0.06% (25th percentile)

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  • Snyk ID SNYK-RHEL8-PERF-4356224
  • published 26 Oct 2022
  • disclosed 12 Jul 2022

How to fix?

Upgrade RHEL:8 perf to version 0:4.18.0-372.32.1.el8_6 or higher.
This issue was patched in RHSA-2022:7110.

NVD Description

Note: Versions mentioned in the description apply only to the upstream perf package and not the perf package as distributed by RHEL. See How to fix? for RHEL:8 relevant fixed versions and status.

Mis-trained branch predictions for return instructions may allow arbitrary speculative code execution under certain microarchitecture-dependent conditions.

CVSS Scores

version 3.1
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NVD

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

5.6 medium
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SUSE

4.7 medium