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ubuntuUbuntuUSN-2857-2
HistoryJan 05, 2016 - 12:00 a.m.

Linux kernel (Vivid HWE) vulnerability

2016-01-0500:00:00
ubuntu.com
35

CVSS2

7.2

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

CVSS3

6.7

Attack Vector

LOCAL

Attack Complexity

LOW

Privileges Required

HIGH

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

HIGH

Integrity Impact

HIGH

Availability Impact

HIGH

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

AI Score

6.1

Confidence

High

EPSS

0.001

Percentile

45.5%

JSON

Releases

  • Ubuntu 14.04 ESM

Packages

  • linux-lts-vivid - Linux hardware enablement kernel from Vivid

Details

Nathan Williams discovered that overlayfs in the Linux kernel incorrectly
handled setattr operations. A local unprivileged attacker could use this to
create files with administrative permission attributes and execute
arbitrary code with elevated privileges.

OSVersionArchitecturePackageVersionFilename
Ubuntu14.04noarchlinux-image-3.19.0-43-generic< 3.19.0-43.49~14.04.1UNKNOWN
Ubuntu14.04noarchblock-modules-3.19.0-43-generic-di< 3.19.0-43.49~14.04.1UNKNOWN
Ubuntu14.04noarchcrypto-modules-3.19.0-43-generic-di< 3.19.0-43.49~14.04.1UNKNOWN
Ubuntu14.04noarchfat-modules-3.19.0-43-generic-di< 3.19.0-43.49~14.04.1UNKNOWN
Ubuntu14.04noarchfb-modules-3.19.0-43-generic-di< 3.19.0-43.49~14.04.1UNKNOWN
Ubuntu14.04noarchfirewire-core-modules-3.19.0-43-generic-di< 3.19.0-43.49~14.04.1UNKNOWN
Ubuntu14.04noarchfloppy-modules-3.19.0-43-generic-di< 3.19.0-43.49~14.04.1UNKNOWN
Ubuntu14.04noarchfs-core-modules-3.19.0-43-generic-di< 3.19.0-43.49~14.04.1UNKNOWN
Ubuntu14.04noarchfs-secondary-modules-3.19.0-43-generic-di< 3.19.0-43.49~14.04.1UNKNOWN
Ubuntu14.04noarchinput-modules-3.19.0-43-generic-di< 3.19.0-43.49~14.04.1UNKNOWN
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1-10 of 571

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CVSS2

7.2

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

CVSS3

6.7

Attack Vector

LOCAL

Attack Complexity

LOW

Privileges Required

HIGH

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

HIGH

Integrity Impact

HIGH

Availability Impact

HIGH

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

AI Score

6.1

Confidence

High

EPSS

0.001

Percentile

45.5%

JSON
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