Access Restriction Bypass Affecting kernel-debug-devel package, versions <0:2.6.32-504.12.2.el6


Severity

Recommended
high

Based on Red Hat Enterprise Linux security rating.

Threat Intelligence

Exploit Maturity
Mature
EPSS
0.04% (1st percentile)

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  • Snyk IDSNYK-RHEL6-KERNELDEBUGDEVEL-1493765
  • published26 Jul 2021
  • disclosed28 Jan 2015

Introduced: 28 Jan 2015

CVE-2014-7822  (opens in a new tab)
CWE-264  (opens in a new tab)

How to fix?

Upgrade RHEL:6 kernel-debug-devel to version 0:2.6.32-504.12.2.el6 or higher.
This issue was patched in RHSA-2015:0674.

NVD Description

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

The implementation of certain splice_write file operations in the Linux kernel before 3.16 does not enforce a restriction on the maximum size of a single file, which allows local users to cause a denial of service (system crash) or possibly have unspecified other impact via a crafted splice system call, as demonstrated by use of a file descriptor associated with an ext4 filesystem.

CVSS Scores

version 3.1