CVE-2016-4794

2016-05-2300:00:00

ubuntu.com

7.2 High

CVSS2

Attack Vector

LOCAL

Attack Complexity

LOW

Authentication

NONE

Confidentiality Impact

COMPLETE

Integrity Impact

COMPLETE

Availability Impact

COMPLETE

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

7.8 High

CVSS3

Attack Vector

LOCAL

Attack Complexity

LOW

Privileges Required

LOW

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

HIGH

Integrity Impact

HIGH

Availability Impact

HIGH

CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

0.0004 Low

EPSS

Percentile

5.1%

JSON

Use-after-free vulnerability in mm/percpu.c in the Linux kernel through 4.6
allows local users to cause a denial of service (BUG) or possibly have
unspecified other impact via crafted use of the mmap and bpf system calls.

Bugs

<https://launchpad.net/bugs/1581871>

Notes

Author	Note
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
ubuntu16.04noarchlinux< 4.4.0-34.53UNKNOWN
ubuntu14.04noarchlinux-lts-vivid< 3.19.0-66.74~14.04.1UNKNOWN
ubuntu14.04noarchlinux-lts-xenial< 4.4.0-34.53~14.04.1UNKNOWN
ubuntu16.04noarchlinux-raspi2< 4.4.0-1019.25UNKNOWN
ubuntu16.04noarchlinux-snapdragon< 4.4.0-1022.25UNKNOWN

OS	Version	Architecture	Package	Version	Filename
ubuntu	16.04	noarch	linux	< 4.4.0-34.53	UNKNOWN
ubuntu	14.04	noarch	linux-lts-vivid	< 3.19.0-66.74~14.04.1	UNKNOWN
ubuntu	14.04	noarch	linux-lts-xenial	< 4.4.0-34.53~14.04.1	UNKNOWN
ubuntu	16.04	noarch	linux-raspi2	< 4.4.0-1019.25	UNKNOWN
ubuntu	16.04	noarch	linux-snapdragon	< 4.4.0-1022.25	UNKNOWN