Race Condition Affecting kernel-tools-libs package, versions <0:4.18.0-240.el8


Severity

Recommended
0.0
medium
0
10

Based on Red Hat Enterprise Linux security rating

    Threat Intelligence

    EPSS
    0.18% (57th percentile)

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  • Snyk ID SNYK-RHEL8-KERNELTOOLSLIBS-3844036
  • published 26 Jul 2021
  • disclosed 12 Aug 2019

How to fix?

Upgrade RHEL:8 kernel-tools-libs to version 0:4.18.0-240.el8 or higher.
This issue was patched in RHSA-2020:4431.

NVD Description

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

In the Linux kernel before 5.2.10, there is a race condition bug that can be caused by a malicious USB device in the USB character device driver layer, aka CID-303911cfc5b9. This affects drivers/usb/core/file.c.

CVSS Scores

version 3.1
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NVD

4.2 medium
  • Attack Vector (AV)
    Physical
  • Attack Complexity (AC)
    High
  • 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

4.2 medium
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SUSE

4.6 medium