CVE-2017-12153

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.

Category

4.4
CVSS
Severity: Medium
CVSS 3.0 •
CVSS 2.0 •
EPSS 0.03%
Vendor Advisory ubuntu.com Vendor Advisory debian.org Vendor Advisory ubuntu.com
Affected: n/a kernel since v3.1-rc1 through v4.13
Published at:
Updated at:

References

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

Frequently Asked Questions

What is the severity of CVE-2017-12153?
CVE-2017-12153 has been scored as a medium severity vulnerability.
How to fix CVE-2017-12153?
To fix CVE-2017-12153, make sure you are using an up-to-date version of the affected component(s) by checking the vendor release notes. As for now, there are no other specific guidelines available.
Is CVE-2017-12153 being actively exploited in the wild?
As for now, there are no information to confirm that CVE-2017-12153 is being actively exploited. According to its EPSS score, there is a ~0% probability that this vulnerability will be exploited by malicious actors in the next 30 days.
What software or system is affected by CVE-2017-12153?
CVE-2017-12153 affects n/a kernel since v3.1-rc1 through v4.13.
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