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ubuntuUbuntuUSN-2872-1
HistoryJan 19, 2016 - 12:00 a.m.

Linux kernel vulnerability

2016-01-1900:00:00
ubuntu.com
53

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

7.8

Attack Vector

LOCAL

Attack Complexity

LOW

Privileges Required

LOW

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

HIGH

Integrity Impact

HIGH

Availability Impact

HIGH

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

AI Score

7.6

Confidence

High

EPSS

0

Percentile

0.4%

JSON

Releases

  • Ubuntu 15.10

Packages

  • linux - Linux kernel

Details

Yevgeny Pats discovered that the session keyring implementation in the
Linux kernel did not properly reference count when joining an existing
session keyring. A local attacker could use this to cause a denial of
service (system crash) or possibly execute arbitrary code with
administrative privileges.

OSVersionArchitecturePackageVersionFilename
Ubuntu15.10noarchlinux-image-4.2.0-25-powerpc64-smp<ย 4.2.0-25.30UNKNOWN
Ubuntu15.10noarchblock-modules-4.2.0-25-generic-di<ย 4.2.0-25.30UNKNOWN
Ubuntu15.10noarchcrypto-modules-4.2.0-25-generic-di<ย 4.2.0-25.30UNKNOWN
Ubuntu15.10noarchfat-modules-4.2.0-25-generic-di<ย 4.2.0-25.30UNKNOWN
Ubuntu15.10noarchfb-modules-4.2.0-25-generic-di<ย 4.2.0-25.30UNKNOWN
Ubuntu15.10noarchfirewire-core-modules-4.2.0-25-generic-di<ย 4.2.0-25.30UNKNOWN
Ubuntu15.10noarchfloppy-modules-4.2.0-25-generic-di<ย 4.2.0-25.30UNKNOWN
Ubuntu15.10noarchfs-core-modules-4.2.0-25-generic-di<ย 4.2.0-25.30UNKNOWN
Ubuntu15.10noarchfs-secondary-modules-4.2.0-25-generic-di<ย 4.2.0-25.30UNKNOWN
Ubuntu15.10noarchinput-modules-4.2.0-25-generic-di<ย 4.2.0-25.30UNKNOWN
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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

7.8

Attack Vector

LOCAL

Attack Complexity

LOW

Privileges Required

LOW

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

HIGH

Integrity Impact

HIGH

Availability Impact

HIGH

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

AI Score

7.6

Confidence

High

EPSS

0

Percentile

0.4%

JSON
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