Description
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.
Affected products
Version statuses are supplied by the assigning organization. Consult the original record for detailed ranges and platform conditions.
n/a n/a
n/aaffected
References
- https://bugzilla.redhat.com/show_bug.cgi?id=1027752 ↗
- http://www.kernel.org/pub/linux/kernel/v3.x/ChangeLog-3.11.5 ↗
- http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git%3Ba=commit%3Bh=2433c8f094a008895e66f25bd1773cdb01c91d01 ↗
- https://github.com/torvalds/linux/commit/2433c8f094a008895e66f25bd1773cdb01c91d01 ↗
- http://www.ubuntu.com/usn/USN-2049-1 ↗
- http://rhn.redhat.com/errata/RHSA-2014-0100.html ↗