Buffer Overflow Affecting perf package, versions <0:4.18.0-147.5.1.el8_1


Severity

Recommended
high

Based on Red Hat Enterprise Linux security rating

    Threat Intelligence

    EPSS
    0.21% (60th percentile)

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  • Snyk ID SNYK-RHEL8-PERF-3664652
  • published 26 Jul 2021
  • disclosed 18 Oct 2019

How to fix?

Upgrade RHEL:8 perf to version 0:4.18.0-147.5.1.el8_1 or higher.
This issue was patched in RHSA-2020:0339.

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.

rtl_p2p_noa_ie in drivers/net/wireless/realtek/rtlwifi/ps.c in the Linux kernel through 5.3.6 lacks a certain upper-bound check, leading to a buffer overflow.

CVSS Scores

version 3.1
Expand this section

NVD

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