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Deadlock Affecting kernel-rt-debug package, versions <0:3.10.0-957.rt56.910.el7

Severity

 Recommended
high

Based on Red Hat Enterprise Linux security rating

    Threat Intelligence

    EPSS
    0.04% (6th percentile)

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  • Snyk ID SNYK-RHEL7-KERNELRTDEBUG-4791834
  • published 26 Jul 2021
  • disclosed 8 Dec 2017
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Introduced: 8 Dec 2017

CVE-2017-18232 Open this link in a new tab
CWE-833 Open this link in a new tab

How to fix?

Upgrade RHEL:7 kernel-rt-debug to version 0:3.10.0-957.rt56.910.el7 or higher.
This issue was patched in RHSA-2018:3096.

NVD Description

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

The Serial Attached SCSI (SAS) implementation in the Linux kernel through 4.15.9 mishandles a mutex within libsas, which allows local users to cause a denial of service (deadlock) by triggering certain error-handling code.