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ubuntucveUbuntu.comUB:CVE-2016-0728
HistoryJan 19, 2016 - 12:00 a.m.

CVE-2016-0728

2016-01-1900:00:00
ubuntu.com
ubuntu.com
18

7.2 High

CVSS2

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

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

0.0004 Low

EPSS

Percentile

0.4%

JSON

The join_session_keyring function in security/keys/process_keys.c in the
Linux kernel before 4.4.1 mishandles object references in a certain error
case, which allows local users to gain privileges or cause a denial of
service (integer overflow and use-after-free) via crafted keyctl commands.

Bugs

Notes

Author Note
jdstrand android kernels (flo, goldfish, grouper, maguro, mako and manta) are not supported on the Ubuntu Touch 14.10 and earlier preview kernels linux-lts-saucy no longer receives official support linux-lts-quantal no longer receives official support
OSVersionArchitecturePackageVersionFilename
ubuntu14.04noarchlinux<ย 3.13.0-76.120UNKNOWN
ubuntu15.04noarchlinux<ย 3.19.0-47.53UNKNOWN
ubuntu15.10noarchlinux<ย 4.2.0-25.30UNKNOWN
ubuntu12.04noarchlinux-lts-trusty<ย 3.13.0-76.120~precise1UNKNOWN
ubuntu14.04noarchlinux-lts-utopic<ย 3.16.0-59.79~14.04.1UNKNOWN
ubuntu14.04noarchlinux-lts-vivid<ย 3.19.0-47.53~14.04.1UNKNOWN
ubuntu14.04noarchlinux-lts-wily<ย 4.2.0-25.30~14.04.1UNKNOWN
ubuntu15.10noarchlinux-raspi2<ย 4.2.0-1020.27UNKNOWN

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7.2 High

CVSS2

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

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

0.0004 Low

EPSS

Percentile

0.4%

JSON
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