net/llc/sysctl_net_llc.c in the Linux kernel before 3.19 uses an incorrect data type in a sysctl table, which allows local users to obtain potentially sensitive information from kernel memory or possibly have unspecified other impact by accessing a sysctl entry.

References

• https://nvd.nist.gov/vuln/detail/CVE-2015-2041
• torvalds/linux@6b8d911
• https://bugzilla.redhat.com/show_bug.cgi?id=1195350
• http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git;a=commit;h=6b8d9117ccb4f81b1244aafa7bc70ef8fa45fc49
• http://lists.opensuse.org/opensuse-security-announce/2015-04/msg00020.html
• http://lists.opensuse.org/opensuse-security-announce/2015-07/msg00023.html
• http://lists.opensuse.org/opensuse-security-announce/2015-08/msg00011.html
• http://lists.opensuse.org/opensuse-security-announce/2015-09/msg00004.html
• http://www.debian.org/security/2015/dsa-3237
• http://www.openwall.com/lists/oss-security/2015/02/20/19
• http://www.securityfocus.com/bid/72729
• http://www.ubuntu.com/usn/USN-2560-1
• http://www.ubuntu.com/usn/USN-2561-1
• http://www.ubuntu.com/usn/USN-2562-1
• http://www.ubuntu.com/usn/USN-2563-1
• http://www.ubuntu.com/usn/USN-2564-1
• http://www.ubuntu.com/usn/USN-2565-1