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Information Exposure Affecting kernel-rt package, versions <0:3.10.0-1062.rt56.1022.el7

Severity

 Recommended
high

Based on CentOS security rating

    Threat Intelligence

    EPSS
    0.04% (12th percentile)

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  • Snyk ID SNYK-CENTOS7-KERNELRT-2140824
  • published 26 Jul 2021
  • disclosed 26 Apr 2018
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Introduced: 26 Apr 2018

CVE-2018-16658 Open this link in a new tab
CWE-200 Open this link in a new tab

How to fix?

Upgrade Centos:7 kernel-rt to version 0:3.10.0-1062.rt56.1022.el7 or higher.

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

An issue was discovered in the Linux kernel before 4.18.6. An information leak in cdrom_ioctl_drive_status in drivers/cdrom/cdrom.c could be used by local attackers to read kernel memory because a cast from unsigned long to int interferes with bounds checking. This is similar to CVE-2018-10940.