Information Exposure Affecting kernel-debug package, versions <0:3.10.0-862.el7


Severity

Recommended
high

Based on Oracle Linux security rating.

Threat Intelligence

EPSS
0.04% (6th percentile)

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  • Snyk IDSNYK-ORACLE7-KERNELDEBUG-2522186
  • published10 Apr 2022
  • disclosed5 Sept 2017

Introduced: 5 Sep 2017

CVE-2017-14140  (opens in a new tab)
CWE-200  (opens in a new tab)

How to fix?

Upgrade Oracle:7 kernel-debug to version 0:3.10.0-862.el7 or higher.
This issue was patched in ELSA-2018-1062.

NVD Description

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

The move_pages system call in mm/migrate.c in the Linux kernel before 4.12.9 doesn't check the effective uid of the target process, enabling a local attacker to learn the memory layout of a setuid executable despite ASLR.