CVE-2017-12153

Severity: medium (CVSS 4.4 v3.0)
Exploited in the wild: not listed in CISA KEV
EPSS: 0.5% probability of exploitation in the next 30 days
Public exploit or detection template: none known
Published: 2017-09-21 · updated 2026-06-17
Weakness: CWE-476

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.

Affected products

Canonical Ubuntu Linux: 12.04, 14.04
Debian Linux: 8.0, 9.0
Linux kernel: through 4.13.3

References

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/
http://seclists.org/oss-sec/2017/q3/437
http://www.debian.org/security/2017/dsa-3981
http://www.securityfocus.com/bid/100855

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