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Information Exposure Affecting kernel-debug-core package, versions *

Severity

 Recommended
0.0
low
0
10

Based on Red Hat Enterprise Linux security rating

    Threat Intelligence

    EPSS
    0.16% (53rd percentile)

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  • Snyk ID SNYK-RHEL8-KERNELDEBUGCORE-1329314
  • published 26 Jul 2021
  • disclosed 20 Feb 2018
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Introduced: 20 Feb 2018

CVE-2018-7273 Open this link in a new tab
CWE-200 Open this link in a new tab

How to fix?

There is no fixed version for RHEL:8 kernel-debug-core.

NVD Description

Note: Versions mentioned in the description apply only to the upstream kernel-debug-core package and not the kernel-debug-core package as distributed by RHEL. See How to fix? for RHEL:8 relevant fixed versions and status.

In the Linux kernel through 4.15.4, the floppy driver reveals the addresses of kernel functions and global variables using printk calls within the function show_floppy in drivers/block/floppy.c. An attacker can read this information from dmesg and use the addresses to find the locations of kernel code and data and bypass kernel security protections such as KASLR.