CVE-2013-4270

The net_ctl_permissions function in net/sysctl_net.c in the Linux kernel before 3.11.5 does not properly determine uid and gid values, which allows local users to bypass intended /proc/sys/net restrictions via a crafted application.

🔗 References (12)

• secalert@redhathttp://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git%3Ba=commit%3Bh=2433c8f094a008895e66f25bd1773cdb01c91d01
• secalert@redhathttp://rhn.redhat.com/errata/RHSA-2014-0100.html
• secalert@redhathttp://www.kernel.org/pub/linux/kernel/v3.x/ChangeLog-3.11.5
• secalert@redhathttp://www.ubuntu.com/usn/USN-2049-1
• secalert@redhathttps://bugzilla.redhat.com/show_bug.cgi?id=1027752
• secalert@redhathttps://github.com/torvalds/linux/commit/2433c8f094a008895e66f25bd1773cdb01c91d01
• af854a3a-2127-422b-91ae-364da2661108http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git%3Ba=commit%3Bh=2433c8f094a008895e66f25bd1773cdb01c91d01
• af854a3a-2127-422b-91ae-364da2661108http://rhn.redhat.com/errata/RHSA-2014-0100.html
• af854a3a-2127-422b-91ae-364da2661108http://www.kernel.org/pub/linux/kernel/v3.x/ChangeLog-3.11.5
• af854a3a-2127-422b-91ae-364da2661108http://www.ubuntu.com/usn/USN-2049-1
• af854a3a-2127-422b-91ae-364da2661108https://bugzilla.redhat.com/show_bug.cgi?id=1027752
• af854a3a-2127-422b-91ae-364da2661108https://github.com/torvalds/linux/commit/2433c8f094a008895e66f25bd1773cdb01c91d01