CVE-2016-6197

2016-08-0600:00:00

ubuntu.com

5.5 Medium

CVSS3

Attack Vector

LOCAL

Attack Complexity

LOW

Privileges Required

LOW

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

NONE

Integrity Impact

NONE

Availability Impact

HIGH

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

4.9 Medium

CVSS2

Access Vector

LOCAL

Access Complexity

LOW

Authentication

NONE

Confidentiality Impact

NONE

Integrity Impact

NONE

Availability Impact

COMPLETE

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

0.0004 Low

EPSS

Percentile

9.3%

JSON

fs/overlayfs/dir.c in the OverlayFS filesystem implementation in the Linux
kernel before 4.6 does not properly verify the upper dentry before
proceeding with unlink and rename system-call processing, which allows
local users to cause a denial of service (system crash) via a rename system
call that specifies a self-hardlink.

OSVersionArchitecturePackageVersionFilename
ubuntu16.04noarchlinux< 4.4.0-36.55UNKNOWN
ubuntu14.04noarchlinux-lts-xenial< 4.4.0-36.55~14.04.1UNKNOWN
ubuntu16.04noarchlinux-raspi2< 4.4.0-1021.27UNKNOWN
ubuntu16.04noarchlinux-snapdragon< 4.4.0-1024.27UNKNOWN

OS	Version	Architecture	Package	Version	Filename
ubuntu	16.04	noarch	linux	< 4.4.0-36.55	UNKNOWN
ubuntu	14.04	noarch	linux-lts-xenial	< 4.4.0-36.55~14.04.1	UNKNOWN
ubuntu	16.04	noarch	linux-raspi2	< 4.4.0-1021.27	UNKNOWN
ubuntu	16.04	noarch	linux-snapdragon	< 4.4.0-1024.27	UNKNOWN