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Out-of-bounds Read Affecting kernel-debug-devel package, versions <0:4.18.0-147.el8

Severity

 Recommended
high

Based on CentOS security rating

    Threat Intelligence

    EPSS
    0.14% (52nd percentile)

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  • Snyk ID SNYK-CENTOS8-KERNELDEBUGDEVEL-1996900
  • published 26 Jul 2021
  • disclosed 12 Dec 2018
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Introduced: 12 Dec 2018

CVE-2018-19985 Open this link in a new tab
CWE-125 Open this link in a new tab

How to fix?

Upgrade Centos:8 kernel-debug-devel to version 0:4.18.0-147.el8 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:8 relevant fixed versions and status.

The function hso_get_config_data in drivers/net/usb/hso.c in the Linux kernel through 4.19.8 reads if_num from the USB device (as a u8) and uses it to index a small array, resulting in an object out-of-bounds (OOB) read that potentially allows arbitrary read in the kernel address space.