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ubuntucveUbuntu.comUB:CVE-2016-4998
HistoryJun 24, 2016 - 12:00 a.m.

CVE-2016-4998

2016-06-2400:00:00
ubuntu.com
ubuntu.com
21

7.1 High

CVSS3

Attack Vector

LOCAL

Attack Complexity

LOW

Privileges Required

LOW

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

HIGH

Integrity Impact

NONE

Availability Impact

HIGH

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

5.6 Medium

CVSS2

Access Vector

LOCAL

Access Complexity

LOW

Authentication

NONE

Confidentiality Impact

PARTIAL

Integrity Impact

NONE

Availability Impact

COMPLETE

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

0.0004 Low

EPSS

Percentile

9.3%

JSON

The IPT_SO_SET_REPLACE setsockopt implementation in the netfilter subsystem
in the Linux kernel before 4.6 allows local users to cause a denial of
service (out-of-bounds read) or possibly obtain sensitive information from
kernel heap memory by leveraging in-container root access to provide a
crafted offset value that leads to crossing a ruleset blob boundary.

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
seth-arnold Can be mitigated against by a sysctl to disable userns support
OSVersionArchitecturePackageVersionFilename
ubuntu14.04noarchlinux< 3.13.0-91.138UNKNOWN
ubuntu15.10noarchlinux< 4.2.0-41.48UNKNOWN
ubuntu16.04noarchlinux< 4.4.0-28.47UNKNOWN
ubuntu12.04noarchlinux-lts-trusty< 3.13.0-91.138~precise1UNKNOWN
ubuntu14.04noarchlinux-lts-utopic< 3.16.0-76.98~14.04.1UNKNOWN
ubuntu14.04noarchlinux-lts-vivid< 3.19.0-64.72~14.04.1UNKNOWN
ubuntu14.04noarchlinux-lts-wily< 4.2.0-41.48~14.04.1UNKNOWN
ubuntu14.04noarchlinux-lts-xenial< 4.4.0-28.47~14.04.1UNKNOWN
ubuntu15.10noarchlinux-raspi2< 4.2.0-1033.43UNKNOWN
ubuntu16.04noarchlinux-raspi2< 4.4.0-1016.22UNKNOWN
Rows per page:
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7.1 High

CVSS3

Attack Vector

LOCAL

Attack Complexity

LOW

Privileges Required

LOW

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

HIGH

Integrity Impact

NONE

Availability Impact

HIGH

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

5.6 Medium

CVSS2

Access Vector

LOCAL

Access Complexity

LOW

Authentication

NONE

Confidentiality Impact

PARTIAL

Integrity Impact

NONE

Availability Impact

COMPLETE

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

0.0004 Low

EPSS

Percentile

9.3%

JSON
Related for UB:CVE-2016-4998
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