CVE-2019-16746

high-risk
Published 2019-09-24

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.

Do I need to act?

~
2.6% chance of exploitation in next 30 days
EPSS score — moderate exploit probability
-
Not on CISA KEV list
No confirmed active exploitation reported to CISA
?
Patch status unknown
Check vendor advisories for fix availability and mitigation guidance
9
CVSS 9.8/10 Critical
NETWORK / LOW complexity

Affected Products (8)

Affected Vendors

Debian Linux Canonical Fedoraproject Opensuse

References (28)

Mailing List http://lists.opensuse.org/opensuse-security-announce/2020-03/msg00021.html
Mailing List http://lists.opensuse.org/opensuse-security-announce/2020-08/msg00009.html
Third Party Advisory http://packetstormsecurity.com/files/155212/Slackware-Security-Advisory-Slackwar...
Mailing List https://lists.debian.org/debian-lts-announce/2020/01/msg00013.html
Mailing List https://lists.debian.org/debian-lts-announce/2020/03/msg00001.html
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedorapro...
Mailing List https://marc.info/?l=linux-wireless&m=156901391225058&w=2
Mailing List https://seclists.org/bugtraq/2019/Nov/11
Third Party Advisory https://security.netapp.com/advisory/ntap-20191031-0005/
Third Party Advisory https://usn.ubuntu.com/4183-1/
Third Party Advisory https://usn.ubuntu.com/4186-1/
Third Party Advisory https://usn.ubuntu.com/4209-1/
Third Party Advisory https://usn.ubuntu.com/4210-1/
Third Party Advisory https://www.oracle.com/security-alerts/cpuApr2021.html
Mailing List http://lists.opensuse.org/opensuse-security-announce/2020-03/msg00021.html
Mailing List http://lists.opensuse.org/opensuse-security-announce/2020-08/msg00009.html
Third Party Advisory http://packetstormsecurity.com/files/155212/Slackware-Security-Advisory-Slackwar...
Mailing List https://lists.debian.org/debian-lts-announce/2020/01/msg00013.html
Mailing List https://lists.debian.org/debian-lts-announce/2020/03/msg00001.html
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedorapro...
and 8 more references
52
/ 100
high-risk
Severity 32/34 · Critical
Exploitability 6/34 · Minimal
Exposure 14/34 · Moderate