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ubuntuUbuntuUSN-2647-1
HistoryJun 15, 2015 - 12:00 a.m.

Linux kernel vulnerability

2015-06-1500:00:00
ubuntu.com
51

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

6 Medium

AI Score

Confidence

Low

7.2 High

CVSS2

Access Vector

LOCAL

Access 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

0.001 Low

EPSS

Percentile

25.3%

JSON

Releases

  • Ubuntu 15.04

Packages

  • linux - Linux kernel

Details

Philip Pettersson discovered a privilege escalation when using overlayfs
mounts inside of user namespaces. A local user could exploit this flaw to
gain administrative privileges on the system.

OSVersionArchitecturePackageVersionFilename
Ubuntu15.04noarchlinux-image-3.19.0-21-powerpc-e500mc< 3.19.0-21.21UNKNOWN
Ubuntu15.04noarchblock-modules-3.19.0-21-generic-di< 3.19.0-21.21UNKNOWN
Ubuntu15.04noarchcrypto-modules-3.19.0-21-generic-di< 3.19.0-21.21UNKNOWN
Ubuntu15.04noarchfat-modules-3.19.0-21-generic-di< 3.19.0-21.21UNKNOWN
Ubuntu15.04noarchfb-modules-3.19.0-21-generic-di< 3.19.0-21.21UNKNOWN
Ubuntu15.04noarchfirewire-core-modules-3.19.0-21-generic-di< 3.19.0-21.21UNKNOWN
Ubuntu15.04noarchfloppy-modules-3.19.0-21-generic-di< 3.19.0-21.21UNKNOWN
Ubuntu15.04noarchfs-core-modules-3.19.0-21-generic-di< 3.19.0-21.21UNKNOWN
Ubuntu15.04noarchfs-secondary-modules-3.19.0-21-generic-di< 3.19.0-21.21UNKNOWN
Ubuntu15.04noarchinput-modules-3.19.0-21-generic-di< 3.19.0-21.21UNKNOWN
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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:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

6 Medium

AI Score

Confidence

Low

7.2 High

CVSS2

Access Vector

LOCAL

Access 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

0.001 Low

EPSS

Percentile

25.3%

JSON
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