The arcmsr_iop_message_xfer function in drivers/scsi/arcmsr/arcmsr_hba.c in the Linux kernel through 4.8.2 does not restrict a certain length field, which allows local users to gain privileges or cause a denial of service (heap-based buffer overflow) via an ARCMSR_MESSAGE_WRITE_WQBUFFER control code.
http://marc.info/?l=linux-scsi&m=147394713328707&w=2
http://marc.info/?l=linux-scsi&m=147394796228991&w=2
http://www.openwall.com/lists/oss-security/2016/09/17/2
http://www.securityfocus.com/bid/93037
http://www.ubuntu.com/usn/USN-3144-1
http://www.ubuntu.com/usn/USN-3144-2
http://www.ubuntu.com/usn/USN-3145-1
http://www.ubuntu.com/usn/USN-3145-2
http://www.ubuntu.com/usn/USN-3146-1
http://www.ubuntu.com/usn/USN-3146-2
http://www.ubuntu.com/usn/USN-3147-1
https://bugzilla.redhat.com/show_bug.cgi?id=1377330
https://github.com/torvalds/linux/commit/7bc2b55a5c030685b399bb65b6baa9ccc3d1f167
Source: MITRE
Published: 2016-10-16
Updated: 2017-01-07
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