Use After Free Affecting kernel-bootwrapper package, versions <0:3.10.0-1160.el7


Severity

Recommended
high

Based on CentOS security rating

    Threat Intelligence

    EPSS
    0.16% (54th percentile)

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  • Snyk ID SNYK-CENTOS7-KERNELBOOTWRAPPER-2173606
  • published 26 Jul 2021
  • disclosed 15 Aug 2019

How to fix?

Upgrade Centos:7 kernel-bootwrapper to version 0:3.10.0-1160.el7 or higher.

NVD Description

Note: Versions mentioned in the description apply only to the upstream kernel-bootwrapper package and not the kernel-bootwrapper package as distributed by Centos. See How to fix? for Centos:7 relevant fixed versions and status.

In the Linux kernel before 5.2.10, there is a use-after-free bug that can be caused by a malicious USB device in the drivers/usb/class/cdc-acm.c driver, aka CID-c52873e5a1ef.

CVSS Scores

version 3.1
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NVD

4.6 medium
  • Attack Vector (AV)
    Physical
  • 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

5.7 medium
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SUSE

4.6 medium