CVE-2016-5828 Information

Description

The start_thread function in arch/powerpc/kernel/process.c in the Linux kernel through 4.6.3 on powerpc platforms mishandles transactional state which allows local users to cause a denial of service (invalid process state or TM Bad Thing exception and system crash) or possibly have unspecified other impact by starting and suspending a transaction before an exec system call.

CVSS Vector

CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

Reference

http://lists.opensuse.org/opensuse-security-announce/2016-08/msg00000.html http://lists.opensuse.org/opensuse-security-announce/2016-08/msg00044.html http://lists.opensuse.org/opensuse-security-announce/2016-08/msg00055.html http://rhn.redhat.com/errata/RHSA-2016-2574.html http://www.debian.org/security/2016/dsa-3616 http://www.openwall.com/lists/oss-security/2016/06/25/7 http://www.securityfocus.com/bid/91415 http://www.ubuntu.com/usn/USN-3070-1 http://www.ubuntu.com/usn/USN-3070-2 http://www.ubuntu.com/usn/USN-3070-3 http://www.ubuntu.com/usn/USN-3070-4 http://www.ubuntu.com/usn/USN-3071-1 http://www.ubuntu.com/usn/USN-3071-2 https://patchwork.ozlabs.org/patch/636776/

Attack Complexity

LOW

Privileges Required

LOW

User Interaction Required

LOW

Scope

NONE

Confidentiality Impact

UNCHANGED

Integrity Impact

HIGH

Availability Impact

HIGH

Base Score

HIGH

Base Severity

7.8