CVE-2017-12153

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.

CVSS v3.0 4.4 MEDIUM
CVSS v2.0 4.9 MEDIUM

4.4^/10

CVSS v3.0 : MEDIUM

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

Exploitability : 0.8 / Impact : 3.6

Attack Vector LOCAL

Attack Complexity LOW

Privileges Required HIGH

User Interaction NONE

Confidentiality Impact NONE

Integrity Impact NONE

Availability Impact HIGH

Scope UNCHANGED

4.9^/10

CVSS v2.0 : MEDIUM

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

Exploitability : 3.9 / Impact : 6.9

Access Vector LOCAL

Access Complexity LOW

Authentication NONE

Confidentiality Impact NONE

Integrity Impact NONE

Availability Impact COMPLETE

References

Link	Resource
https://git.kernel.org/pub/scm/linux/kernel/git/jberg/mac80211.git/commit/?id=e785fa0a164aa11001cba931367c7f94ffaff888	Issue Tracking Patch Third Party Advisory
https://bugzilla.redhat.com/show_bug.cgi?id=1491046	Issue Tracking Patch Third Party Advisory
https://bugzilla.novell.com/show_bug.cgi?id=1058410	Issue Tracking Patch Third Party Advisory
http://seclists.org/oss-sec/2017/q3/437	Mailing List Patch Third Party Advisory
https://marc.info/?t=150525503100001&r=1&w=2	Patch Third Party Advisory
http://www.securityfocus.com/bid/100855	Third Party Advisory VDB Entry
http://www.debian.org/security/2017/dsa-3981	Third Party Advisory
https://usn.ubuntu.com/3583-2/	Third Party Advisory
https://usn.ubuntu.com/3583-1/	Third Party Advisory

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Configurations

Configuration 1 (hide)

cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*

Configuration 2 (hide)

OR	cpe:2.3:o:debian:debian_linux:8.0:::::::*
	cpe:2.3:o:debian:debian_linux:9.0:::::::*

Configuration 3 (hide)

OR	cpe:2.3:o:canonical:ubuntu_linux:12.04::::esm:::
	cpe:2.3:o:canonical:ubuntu_linux:14.04::::lts:::

Information

Published : 2017-09-21 08:29

Updated : 2019-10-09 16:22

NVD link : CVE-2017-12153

Mitre link : CVE-2017-12153

JSON object : View

CWE

CWE-476

NULL Pointer Dereference

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Products Affected

debian

debian_linux

canonical

ubuntu_linux

linux

linux_kernel

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