Vulnerability CVE-2015-8845
Published: 2016-04-27

Description:
The tm_reclaim_thread function in arch/powerpc/kernel/process.c in the Linux kernel before 4.4.1 on powerpc platforms does not ensure that TM suspend mode exists before proceeding with a tm_reclaim call, which allows local users to cause a denial of service (TM Bad Thing exception and panic) via a crafted application.

Type:

CWE-284

 (Improper Access Control)

CVSS2 => (AV:L/AC:L/Au:N/C:N/I:N/A:C)

CVSS Base Score
Impact Subscore
Exploitability Subscore
4.9/10
6.9/10
3.9/10
Exploit range
Attack complexity
Authentication
Local
Low
No required
Confidentiality impact
Integrity impact
Availability impact
None
None
Complete
Affected software
SUSE -> Suse linux enterprise live patching 
SUSE -> Suse linux enterprise module for public cloud 
SUSE -> Suse linux enterprise software development kit 
SUSE -> Suse linux enterprise workstation extension 
SUSE -> Suse linux enterprise real time extension 
Novell -> Suse linux enterprise desktop 
Novell -> Suse linux enterprise server 
Linux -> Linux kernel 

 References:
http://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=7f821fc9c77a9b01fe7b1d6e72717b33d8d64142
http://lists.opensuse.org/opensuse-security-announce/2016-06/msg00054.html
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://rhn.redhat.com/errata/RHSA-2016-2584.html
http://www.kernel.org/pub/linux/kernel/v4.x/ChangeLog-4.4.1
http://www.openwall.com/lists/oss-security/2016/04/13/1
http://www.securitytracker.com/id/1035594
https://bugzilla.redhat.com/show_bug.cgi?id=1326540
https://github.com/torvalds/linux/commit/7f821fc9c77a9b01fe7b1d6e72717b33d8d64142
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