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ubuntuUbuntuUSN-3221-1
HistoryMar 08, 2017 - 12:00 a.m.

Linux kernel vulnerability

2017-03-0800:00:00
ubuntu.com
43

7 High

CVSS3

Attack Vector

LOCAL

Attack Complexity

HIGH

Privileges Required

LOW

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

HIGH

Integrity Impact

HIGH

Availability Impact

HIGH

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

7.6 High

AI Score

Confidence

High

6.9 Medium

CVSS2

Access Vector

LOCAL

Access Complexity

MEDIUM

Authentication

NONE

Confidentiality Impact

COMPLETE

Integrity Impact

COMPLETE

Availability Impact

COMPLETE

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

0.0004 Low

EPSS

Percentile

9.4%

JSON

Releases

  • Ubuntu 16.10

Packages

  • linux - Linux kernel
  • linux-raspi2 - Linux kernel for Raspberry Pi 2

Details

Alexander Popov discovered that the N_HDLC line discipline implementation
in the Linux kernel contained a double-free vulnerability. A local attacker
could use this to cause a denial of service (system crash) or possibly gain
administrative privileges.

OSVersionArchitecturePackageVersionFilename
Ubuntu16.10noarchlinux-image-powerpc-smp<ย 4.8.0.41.52UNKNOWN
Ubuntu16.10noarchlinux-image-powerpc-e500mc<ย 4.8.0.41.52UNKNOWN
Ubuntu16.10noarchlinux-image-4.8.0-41-generic<ย 4.8.0-41.44UNKNOWN
Ubuntu16.10noarchblock-modules-4.8.0-41-generic-di<ย 4.8.0-41.44UNKNOWN
Ubuntu16.10noarchcrypto-modules-4.8.0-41-generic-di<ย 4.8.0-41.44UNKNOWN
Ubuntu16.10noarchfat-modules-4.8.0-41-generic-di<ย 4.8.0-41.44UNKNOWN
Ubuntu16.10noarchfb-modules-4.8.0-41-generic-di<ย 4.8.0-41.44UNKNOWN
Ubuntu16.10noarchfirewire-core-modules-4.8.0-41-generic-di<ย 4.8.0-41.44UNKNOWN
Ubuntu16.10noarchfloppy-modules-4.8.0-41-generic-di<ย 4.8.0-41.44UNKNOWN
Ubuntu16.10noarchfs-core-modules-4.8.0-41-generic-di<ย 4.8.0-41.44UNKNOWN
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7 High

CVSS3

Attack Vector

LOCAL

Attack Complexity

HIGH

Privileges Required

LOW

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

HIGH

Integrity Impact

HIGH

Availability Impact

HIGH

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

7.6 High

AI Score

Confidence

High

6.9 Medium

CVSS2

Access Vector

LOCAL

Access Complexity

MEDIUM

Authentication

NONE

Confidentiality Impact

COMPLETE

Integrity Impact

COMPLETE

Availability Impact

COMPLETE

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

0.0004 Low

EPSS

Percentile

9.4%

JSON
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