CVE-2015-8844

2016-04-2700:00:00

ubuntu.com

5.5 Medium

CVSS3

Attack Vector

LOCAL

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

REQUIRED

Scope

UNCHANGED

Confidentiality Impact

NONE

Integrity Impact

NONE

Availability Impact

HIGH

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

4.7 Medium

CVSS2

Access Vector

LOCAL

Access Complexity

MEDIUM

Authentication

NONE

Confidentiality Impact

NONE

Integrity Impact

NONE

Availability Impact

COMPLETE

AV:L/AC:M/Au:N/C:N/I:N/A:C

0.001 Low

EPSS

Percentile

41.7%

JSON

The signal implementation in the Linux kernel before 4.3.5 on powerpc
platforms does not check for an MSR with both the S and T bits set, which
allows local users to cause a denial of service (TM Bad Thing exception and
panic) via a crafted application.

Bugs

Notes

Author	Note
tyhicks	Specific to powerpc and ppc64el
jdstrand	android kernels (flo, goldfish, grouper, maguro, mako and manta) are not supported on the Ubuntu Touch 14.10 and earlier preview kernels linux-lts-saucy no longer receives official support linux-lts-quantal no longer receives official support

OSVersionArchitecturePackageVersionFilename
ubuntu14.04noarchlinux< 3.13.0-77.121UNKNOWN
ubuntu15.10noarchlinux< 4.2.0-27.32UNKNOWN
ubuntu12.04noarchlinux-lts-trusty< 3.13.0-77.121~precise1UNKNOWN
ubuntu14.04noarchlinux-lts-utopic< 3.16.0-60.80~14.04.1UNKNOWN
ubuntu14.04noarchlinux-lts-vivid< 3.19.0-49.55~14.04.1UNKNOWN
ubuntu14.04noarchlinux-lts-wily< 4.2.0-27.32~14.04.1UNKNOWN
ubuntu15.10noarchlinux-raspi2< 4.2.0-1022.29UNKNOWN

OS	Version	Architecture	Package	Version	Filename
ubuntu	14.04	noarch	linux	< 3.13.0-77.121	UNKNOWN
ubuntu	15.10	noarch	linux	< 4.2.0-27.32	UNKNOWN
ubuntu	12.04	noarch	linux-lts-trusty	< 3.13.0-77.121~precise1	UNKNOWN
ubuntu	14.04	noarch	linux-lts-utopic	< 3.16.0-60.80~14.04.1	UNKNOWN
ubuntu	14.04	noarch	linux-lts-vivid	< 3.19.0-49.55~14.04.1	UNKNOWN
ubuntu	14.04	noarch	linux-lts-wily	< 4.2.0-27.32~14.04.1	UNKNOWN
ubuntu	15.10	noarch	linux-raspi2	< 4.2.0-1022.29	UNKNOWN