CVE-2014-7975 Affecting kernel-tools-libs package, versions <0:3.10.0-693.0.0.0.1.el7


Severity

Recommended
high

Based on Oracle Linux security rating.

Threat Intelligence

EPSS
0.05% (19th percentile)

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  • Snyk IDSNYK-ORACLE7-KERNELTOOLSLIBS-2517072
  • published10 Apr 2022
  • disclosed13 Oct 2014

Introduced: 13 Oct 2014

CVE-2014-7975  (opens in a new tab)

How to fix?

Upgrade Oracle:7 kernel-tools-libs to version 0:3.10.0-693.0.0.0.1.el7 or higher.
This issue was patched in ELSA-2017-1842-1.

NVD Description

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

The do_umount function in fs/namespace.c in the Linux kernel through 3.17 does not require the CAP_SYS_ADMIN capability for do_remount_sb calls that change the root filesystem to read-only, which allows local users to cause a denial of service (loss of writability) by making certain unshare system calls, clearing the / MNT_LOCKED flag, and making an MNT_FORCE umount system call.

CVSS Scores

version 3.1