CVE-2015-8839

2016-05-0200:00:00

ubuntu.com

5.1 Medium

CVSS3

Attack Vector

LOCAL

Attack Complexity

HIGH

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

NONE

Integrity Impact

NONE

Availability Impact

HIGH

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

1.9 Low

CVSS2

Access Vector

LOCAL

Access Complexity

MEDIUM

Authentication

NONE

Confidentiality Impact

NONE

Integrity Impact

NONE

Availability Impact

PARTIAL

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

0.001 Low

EPSS

Percentile

49.4%

JSON

Multiple race conditions in the ext4 filesystem implementation in the Linux
kernel before 4.5 allow local users to cause a denial of service (disk
corruption) by writing to a page that is associated with a different user’s
file after unsynchronized hole punching and page-fault handling.

Bugs

<https://launchpad.net/bugs/1566580>

Notes

Author	Note
sbeattie	see oss-sec thread discussion on which commits are a priority to backport

OSVersionArchitecturePackageVersionFilename
ubuntu16.04noarchlinux< 4.4.0-24.43UNKNOWN
ubuntu14.04noarchlinux-lts-xenial< 4.4.0-24.43~14.04.1UNKNOWN
ubuntu16.04noarchlinux-raspi2< 4.4.0-1012.16UNKNOWN
ubuntu16.04noarchlinux-snapdragon< 4.4.0-1015.18UNKNOWN

OS	Version	Architecture	Package	Version	Filename
ubuntu	16.04	noarch	linux	< 4.4.0-24.43	UNKNOWN
ubuntu	14.04	noarch	linux-lts-xenial	< 4.4.0-24.43~14.04.1	UNKNOWN
ubuntu	16.04	noarch	linux-raspi2	< 4.4.0-1012.16	UNKNOWN
ubuntu	16.04	noarch	linux-snapdragon	< 4.4.0-1015.18	UNKNOWN