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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
    0.07% (33rd percentile)

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  • Snyk ID SNYK-RHEL8-PERF-4356226
  • published 26 Oct 2022
  • disclosed 12 Jul 2022
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Introduced: 12 Jul 2022

CVE-2022-29901 Open this link in a new tab
CWE-200 Open this link in a new tab

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.

Intel microprocessor generations 6 to 8 are affected by a new Spectre variant that is able to bypass their retpoline mitigation in the kernel to leak arbitrary data. An attacker with unprivileged user access can hijack return instructions to achieve arbitrary speculative code execution under certain microarchitecture-dependent conditions.

References

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