The tipc_msg_build function in net/tipc/msg.c in the Linux kernel through 4.8.11 does not validate the relationship between the minimum fragment length and the maximum packet size, which allows local users to gain privileges or cause a denial of service (heap-based buffer overflow) by leveraging the CAP_NET_ADMIN capability.
http://www.openwall.com/lists/oss-security/2016/11/08/5
http://www.securityfocus.com/bid/94211
https://bugzilla.redhat.com/show_bug.cgi?id=1390832
https://www.mail-archive.com/[email protected]/msg133205.html
Source: MITRE
Published: 2016-11-28
Updated: 2016-11-28
Type: CWE-119
Base Score: 7.2
Vector: AV:L/AC:L/Au:N/C:C/I:C/A:C
Impact Score: 10
Exploitability Score: 3.9
Severity: HIGH
Base Score: 7.8
Vector: CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Impact Score: 5.9
Exploitability Score: 1.8
Severity: HIGH