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Improper Cleanup on Thrown Exception Affecting kernel-rt package, versions <0:3.10.0-862.2.3.rt56.806.el7

Severity

 Recommended
0.0
high
0
10

Based on Red Hat Enterprise Linux security rating

    Threat Intelligence

    EPSS
    0.06% (28th percentile)

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  • Snyk ID SNYK-RHEL7-KERNELRT-4854392
  • published 26 Jul 2021
  • disclosed 1 May 2018
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Introduced: 1 May 2018

CVE-2018-1000199 Open this link in a new tab
CWE-460 Open this link in a new tab

How to fix?

Upgrade RHEL:7 kernel-rt to version 0:3.10.0-862.2.3.rt56.806.el7 or higher.
This issue was patched in RHSA-2018:1355.

NVD Description

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

The Linux Kernel version 3.18 contains a dangerous feature vulnerability in modify_user_hw_breakpoint() that can result in crash and possibly memory corruption. This attack appear to be exploitable via local code execution and the ability to use ptrace. This vulnerability appears to have been fixed in git commit f67b15037a7a50c57f72e69a6d59941ad90a0f0f.