CVE-2017-12153 Information

Description

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 Vector

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

Reference

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

Attack Complexity

LOW

Privileges Required

HIGH

User Interaction Required

HIGH

Scope

NONE

Confidentiality Impact

UNCHANGED

Integrity Impact

NONE

Availability Impact

NONE

Base Score

HIGH

Base Severity

4.4