A flaw was found in the Linux kernel present since v4.0-rc1 and through v4.13-rc4. A crafted network packet sent remotely by an attacker may force the kernel to enter an infinite loop in the cipso_v4_optptr() function in net/ipv4/cipso_ipv4.c leading to a denial-of-service. A certain non-default configuration of LSM (Linux Security Module) and NetLabel should be set up on a system before an attacker could leverage this flaw.
The product contains an iteration or loop with an exit condition that cannot be reached, i.e., an infinite loop.
| Link | Tags |
|---|---|
| http://seclists.org/oss-sec/2018/q3/179 | third party advisory mailing list |
| https://usn.ubuntu.com/3797-2/ | third party advisory vendor advisory |
| https://usn.ubuntu.com/3797-1/ | third party advisory vendor advisory |
| https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=40413955ee265a5e42f710940ec78f5450d49149 | third party advisory mailing list |
| https://lists.debian.org/debian-lts-announce/2018/10/msg00003.html | third party advisory mailing list |
| http://www.securitytracker.com/id/1041569 | third party advisory vdb entry |
| https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2018-10938 | third party advisory issue tracking |
| http://www.securityfocus.com/bid/105154 | third party advisory vdb entry |
| https://www.debian.org/security/2018/dsa-4308 | third party advisory vendor advisory |