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Race Condition Affecting kernel-bootwrapper package, versions <0:3.10.0-693.50.3.el7

Severity

 Recommended
high

Based on Red Hat Enterprise Linux security rating

    Threat Intelligence

    EPSS
    0.04% (12th percentile)

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  • Snyk ID SNYK-RHEL7-KERNELBOOTWRAPPER-5196833
  • published 26 Jul 2021
  • disclosed 14 Feb 2018
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Introduced: 14 Feb 2018

CVE-2018-7566 Open this link in a new tab
CWE-362 Open this link in a new tab

How to fix?

Upgrade RHEL:7 kernel-bootwrapper to version 0:3.10.0-693.50.3.el7 or higher.
This issue was patched in RHSA-2019:1483.

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 RHEL. See How to fix? for RHEL:7 relevant fixed versions and status.

The Linux kernel 4.15 has a Buffer Overflow via an SNDRV_SEQ_IOCTL_SET_CLIENT_POOL ioctl write operation to /dev/snd/seq by a local user.

References