CVE-2019-16746

Description

An issue was discovered in net/wireless/nl80211.c in the Linux kernel through 5.2.17. It does not check the length of variable elements in a beacon head, leading to a buffer overflow.

Category

9.8
CVSS
Severity: Critical
CVSS 3.1 •
CVSS 2.0 •
EPSS 3.18% Top 15%
Vendor Advisory fedoraproject.org Vendor Advisory ubuntu.com Vendor Advisory ubuntu.com Vendor Advisory ubuntu.com Vendor Advisory ubuntu.com Vendor Advisory opensuse.org Vendor Advisory opensuse.org
Affected: n/a n/a
Published at:
Updated at:

References

Link Tags
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/TASE2ESEZAER6DTZH3DJ4K2JNO46TVL7/ vendor advisory
https://seclists.org/bugtraq/2019/Nov/11 third party advisory mailing list
https://usn.ubuntu.com/4183-1/ third party advisory vendor advisory
https://usn.ubuntu.com/4186-1/ third party advisory vendor advisory
https://usn.ubuntu.com/4209-1/ third party advisory vendor advisory
https://usn.ubuntu.com/4210-1/ third party advisory vendor advisory
https://lists.debian.org/debian-lts-announce/2020/01/msg00013.html third party advisory mailing list
https://lists.debian.org/debian-lts-announce/2020/03/msg00001.html third party advisory mailing list
http://lists.opensuse.org/opensuse-security-announce/2020-03/msg00021.html vendor advisory mailing list third party advisory
http://lists.opensuse.org/opensuse-security-announce/2020-08/msg00009.html vendor advisory mailing list third party advisory
https://www.oracle.com/security-alerts/cpuApr2021.html third party advisory
http://packetstormsecurity.com/files/155212/Slackware-Security-Advisory-Slackware-14.2-kernel-Updates.html third party advisory vdb entry
https://marc.info/?l=linux-wireless&m=156901391225058&w=2 patch mailing list third party advisory
https://security.netapp.com/advisory/ntap-20191031-0005/ third party advisory

Frequently Asked Questions

What is the severity of CVE-2019-16746?
CVE-2019-16746 has been scored as a critical severity vulnerability.
How to fix CVE-2019-16746?
To fix CVE-2019-16746, 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-2019-16746 being actively exploited in the wild?
It is possible that CVE-2019-16746 is being exploited or will be exploited in a near future based on public information. According to its EPSS score, there is a ~3% probability that this vulnerability will be exploited by malicious actors in the next 30 days.
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