kernel/trace/trace_syscalls.c in the Linux kernel through 3.17.2 does not properly handle private syscall numbers during use of the ftrace subsystem, which allows local users to gain privileges or cause a denial of service (invalid pointer dereference) via a crafted application.
http://lists.opensuse.org/opensuse-security-announce/2015-03/msg00010.html
http://lists.opensuse.org/opensuse-security-announce/2015-03/msg00025.html
http://rhn.redhat.com/errata/RHSA-2014-1943.html
http://rhn.redhat.com/errata/RHSA-2015-0290.html
http://rhn.redhat.com/errata/RHSA-2015-0864.html
http://www.openwall.com/lists/oss-security/2014/11/06/11
http://www.securityfocus.com/bid/70971
https://bugzilla.redhat.com/show_bug.cgi?id=1161565
https://exchange.xforce.ibmcloud.com/vulnerabilities/98556
https://github.com/torvalds/linux/commit/086ba77a6db00ed858ff07451bedee197df868c9
Source: MITRE
Published: 2014-11-10
Updated: 2020-08-14
Type: CWE-476
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:3.1/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