Unchecked Error Condition Affecting kernel-doc package, versions <0:2.6.32-754.el6


Severity

Recommended
0.0
high
0
10

Based on Red Hat Enterprise Linux security rating.

Threat Intelligence

EPSS
0.04% (6th percentile)

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  • Snyk IDSNYK-RHEL6-KERNELDOC-1518888
  • published26 Jul 2021
  • disclosed5 Apr 2017

Introduced: 5 Apr 2017

CVE-2017-7889  (opens in a new tab)
CWE-391  (opens in a new tab)

How to fix?

Upgrade RHEL:6 kernel-doc to version 0:2.6.32-754.el6 or higher.
This issue was patched in RHSA-2018:1854.

NVD Description

Note: Versions mentioned in the description apply only to the upstream kernel-doc package and not the kernel-doc package as distributed by RHEL. See How to fix? for RHEL:6 relevant fixed versions and status.

The mm subsystem in the Linux kernel through 3.2 does not properly enforce the CONFIG_STRICT_DEVMEM protection mechanism, which allows local users to read or write to kernel memory locations in the first megabyte (and bypass slab-allocation access restrictions) via an application that opens the /dev/mem file, related to arch/x86/mm/init.c and drivers/char/mem.c.

CVSS Scores

version 3.1