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Improper Input Validation Affecting kernel-uek-doc package, versions <0:4.1.12-37.6.1.el6uek

Severity

 Recommended
high

Based on Oracle Linux security rating.

Threat Intelligence

EPSS
0.49% (39th percentile)

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  • Snyk IDSNYK-ORACLE6-KERNELUEKDOC-2510241
  • published10 Apr 2022
  • disclosed6 Aug 2016
Report a new vulnerability Found a mistake?

Introduced: 6 Aug 2016

CVE-2016-6197  (opens in a new tab)
CWE-20  (opens in a new tab)

How to fix?

Upgrade Oracle:6 kernel-uek-doc to version 0:4.1.12-37.6.1.el6uek or higher.
This issue was patched in ELSA-2016-3587.

NVD Description

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

fs/overlayfs/dir.c in the OverlayFS filesystem implementation in the Linux kernel before 4.6 does not properly verify the upper dentry before proceeding with unlink and rename system-call processing, which allows local users to cause a denial of service (system crash) via a rename system call that specifies a self-hardlink.

References