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ubuntucveUbuntu.comUB:CVE-2017-17449
HistoryDec 06, 2017 - 12:00 a.m.

CVE-2017-17449

2017-12-0600:00:00
ubuntu.com
ubuntu.com
42

CVSS2

1.9

Attack Vector

LOCAL

Attack Complexity

MEDIUM

Authentication

NONE

Confidentiality Impact

PARTIAL

Integrity Impact

NONE

Availability Impact

NONE

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

CVSS3

4.7

Attack Vector

LOCAL

Attack Complexity

HIGH

Privileges Required

LOW

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

HIGH

Integrity Impact

NONE

Availability Impact

NONE

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

EPSS

0

Percentile

10.1%

The __netlink_deliver_tap_skb function in net/netlink/af_netlink.c in the
Linux kernel through 4.14.4, when CONFIG_NLMON is enabled, does not
restrict observations of Netlink messages to a single net namespace, which
allows local users to obtain sensitive information by leveraging the
CAP_NET_ADMIN capability to sniff an nlmon interface for all Netlink
activity on the system.

OSVersionArchitecturePackageVersionFilename
ubuntu17.10noarchlinux< 4.13.0-43.48UNKNOWN
ubuntu14.04noarchlinux< 3.13.0-149.199UNKNOWN
ubuntu16.04noarchlinux< 4.4.0-119.143UNKNOWN
ubuntu14.04noarchlinux-aws< 4.4.0-1016.16UNKNOWN
ubuntu16.04noarchlinux-aws< 4.4.0-1054.63UNKNOWN
ubuntu16.04noarchlinux-azure< 4.13.0-1018.21UNKNOWN
ubuntu16.04noarchlinux-gcp< 4.13.0-1017.21UNKNOWN
ubuntu16.04noarchlinux-hwe< 4.13.0-43.48~16.04.1UNKNOWN
ubuntu18.04noarchlinux-hwe-edge< 4.18.0-8.9~18.04.1UNKNOWN
ubuntu16.04noarchlinux-hwe-edge< 4.13.0-43.48~16.04.1UNKNOWN
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CVSS2

1.9

Attack Vector

LOCAL

Attack Complexity

MEDIUM

Authentication

NONE

Confidentiality Impact

PARTIAL

Integrity Impact

NONE

Availability Impact

NONE

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

CVSS3

4.7

Attack Vector

LOCAL

Attack Complexity

HIGH

Privileges Required

LOW

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

HIGH

Integrity Impact

NONE

Availability Impact

NONE

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

EPSS

0

Percentile

10.1%