CVE-2012-6547

Impact:
Low
Public Date:
2012-08-15
Bugzilla:
922344: CVE-2012-6547 Kernel: net/tun: ioctl() based information leaks

The MITRE CVE dictionary describes this issue as:

The __tun_chr_ioctl function in drivers/net/tun.c in the Linux kernel before 3.6 does not initialize a certain structure, which allows local users to obtain sensitive information from kernel stack memory via a crafted application.

Find out more about CVE-2012-6547 from the MITRE CVE dictionary dictionary and NIST NVD.

Statement

This issue does not affect the versions of the kernel package as shipped with Red Hat Enterprise MRG 2.

This issue did affect the version of the Linux kernel as shipped with Red Hat Enterprise Linux 5 and Red Hat Enterprise Linux 6.

CVSS v2 metrics

Base Score 1.7
Base Metrics AV:L/AC:L/Au:S/C:P/I:N/A:N
Access Vector Local
Access Complexity Low
Authentication Single
Confidentiality Impact Partial
Integrity Impact None
Availability Impact None

Find out more about Red Hat support for the Common Vulnerability Scoring System (CVSS).

Red Hat Security Errata

Platform Errata Release Date
Red Hat Enterprise Linux 5 (kernel) RHSA-2013:0747 2013-04-16
Red Hat Enterprise Linux 6 (kernel) RHSA-2013:0744 2013-04-23

Affected Packages State

Platform Package State
Red Hat Enterprise MRG 2 realtime-kernel Not affected

Last Modified

CVE description copyright © 2017, The MITRE Corporation

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