Information Exposure Affecting kernel-debug-devel package, versions <0:2.6.32-71.14.1.el6


Severity

Recommended
high

Based on Red Hat Enterprise Linux security rating.

Threat Intelligence

Exploit Maturity
Mature
EPSS
0.05% (18th percentile)

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  • Snyk IDSNYK-RHEL6-KERNELDEBUGDEVEL-1421131
  • published26 Jul 2021
  • disclosed15 Sept 2010

Introduced: 15 Sep 2010

CVE-2010-4077  (opens in a new tab)
CWE-200  (opens in a new tab)

How to fix?

Upgrade RHEL:6 kernel-debug-devel to version 0:2.6.32-71.14.1.el6 or higher.
This issue was patched in RHSA-2011:0007.

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 ntty_ioctl_tiocgicount function in drivers/char/nozomi.c in the Linux kernel 2.6.36.1 and earlier does not properly initialize a certain structure member, which allows local users to obtain potentially sensitive information from kernel stack memory via a TIOCGICOUNT ioctl call.

CVSS Scores

version 3.1