CVE-2012-6547
Dashboard / Vulnerabilities / CVE-2012-6547
Summary:
Details: 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.
References: http://rhn.redhat.com/errata/RHSA-2013-0744.html, http://www.mandriva.com/security/advisories?name=MDVSA-2013:176, https://github.com/torvalds/linux/commit/a117dacde0288f3ec60b6e5bcedae8fa37ee0dfc, https://www.kernel.org/pub/linux/kernel/v3.x/patch-3.6.bz2, http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git%3Ba=commit%3Bh=a117dacde0288f3ec60b6e5bcedae8fa37ee0dfc, http://www.openwall.com/lists/oss-security/2013/03/05/13
Affected packages
Common Vulnerability Scoring System
Attack Vector
Network
Adjacent
Local
Physical
Privileges Required
None
Low
High
User Interaction
None
Required
Scope
Unchanged
Changed
Confidentiality
None
Low
High
Integrity
None
Low
High
Availability
None
Low
High
