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Unchecked Error Condition Affecting kernel-debug-devel package, versions <0:3.10.0-862.2.3.el7

Severity

 Recommended
high

Based on CentOS security rating

    Threat Intelligence

    EPSS
    0.06% (28th percentile)

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  • Snyk ID SNYK-CENTOS7-KERNELDEBUGDEVEL-2102254
  • published 26 Jul 2021
  • disclosed 13 Sep 2017
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Introduced: 13 Sep 2017

CVE-2018-1091 Open this link in a new tab
CWE-391 Open this link in a new tab

How to fix?

Upgrade Centos:7 kernel-debug-devel to version 0:3.10.0-862.2.3.el7 or higher.

NVD Description

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

In the flush_tmregs_to_thread function in arch/powerpc/kernel/ptrace.c in the Linux kernel before 4.13.5, a guest kernel crash can be triggered from unprivileged userspace during a core dump on a POWER host due to a missing processor feature check and an erroneous use of transactional memory (TM) instructions in the core dump path, leading to a denial of service.