CVE-2017-12153

2017-09-2100:00:00

ubuntu.com

4.4 Medium

CVSS3

Attack Vector

LOCAL

Attack Complexity

LOW

Privileges Required

HIGH

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

NONE

Integrity Impact

NONE

Availability Impact

HIGH

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

4.9 Medium

CVSS2

Access Vector

LOCAL

Access Complexity

LOW

Authentication

NONE

Confidentiality Impact

NONE

Integrity Impact

NONE

Availability Impact

COMPLETE

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

0.001 Low

EPSS

Percentile

25.6%

JSON

A security flaw was discovered in the nl80211_set_rekey_data() function in
net/wireless/nl80211.c in the Linux kernel through 4.13.3. This function
does not check whether the required attributes are present in a Netlink
request. This request can be issued by a user with the CAP_NET_ADMIN
capability and may result in a NULL pointer dereference and system crash.

Bugs

<https://bugzilla.redhat.com/show_bug.cgi?id=1491046>

Notes

Author	Note
sbeattie	attacker needs CAP_NET_ADMIN either at system level or in a namespace that also has had a WiFi interface moved into it.

OSVersionArchitecturePackageVersionFilename
ubuntu17.10noarchlinux< 4.13.0-17.20UNKNOWN
ubuntu14.04noarchlinux< 3.13.0-142.191UNKNOWN
ubuntu16.04noarchlinux< 4.4.0-98.121UNKNOWN
ubuntu16.04noarchlinux-aws< 4.4.0-1039.48UNKNOWN
ubuntu16.04noarchlinux-azure< 4.13.0-1005.7UNKNOWN
ubuntu16.04noarchlinux-gcp< 4.13.0-1002.5UNKNOWN
ubuntu16.04noarchlinux-gke< 4.4.0-1033.33UNKNOWN
ubuntu16.04noarchlinux-hwe< 4.13.0-26.29~16.04.2UNKNOWN
ubuntu18.04noarchlinux-hwe-edge< 4.18.0-8.9~18.04.1UNKNOWN
ubuntu16.04noarchlinux-hwe-edge< 4.13.0-26.29~16.04.2UNKNOWN

OS	Version	Architecture	Package	Version	Filename
ubuntu	17.10	noarch	linux	< 4.13.0-17.20	UNKNOWN
ubuntu	14.04	noarch	linux	< 3.13.0-142.191	UNKNOWN
ubuntu	16.04	noarch	linux	< 4.4.0-98.121	UNKNOWN
ubuntu	16.04	noarch	linux-aws	< 4.4.0-1039.48	UNKNOWN
ubuntu	16.04	noarch	linux-azure	< 4.13.0-1005.7	UNKNOWN
ubuntu	16.04	noarch	linux-gcp	< 4.13.0-1002.5	UNKNOWN
ubuntu	16.04	noarch	linux-gke	< 4.4.0-1033.33	UNKNOWN
ubuntu	16.04	noarch	linux-hwe	< 4.13.0-26.29~16.04.2	UNKNOWN
ubuntu	18.04	noarch	linux-hwe-edge	< 4.18.0-8.9~18.04.1	UNKNOWN
ubuntu	16.04	noarch	linux-hwe-edge	< 4.13.0-26.29~16.04.2	UNKNOWN