Heap-based Buffer Overflow Affecting perf package, versions <0:4.18.0-240.1.1.el8_3


Severity

Recommended
0.0
high
0
10

Based on Red Hat Enterprise Linux security rating

    Threat Intelligence

    EPSS
    0.06% (29th percentile)

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  • Snyk ID SNYK-RHEL8-PERF-3893413
  • published 26 Jul 2021
  • disclosed 14 Oct 2020

How to fix?

Upgrade RHEL:8 perf to version 0:4.18.0-240.1.1.el8_3 or higher.
This issue was patched in RHSA-2020:4685.

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.

Improper buffer restrictions in BlueZ may allow an unauthenticated user to potentially enable denial of service via adjacent access. This affects all Linux kernel versions that support BlueZ.

CVSS Scores

version 3.1
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NVD

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

7.1 high
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SUSE

8.8 high