CVE-2019-16746: An issue was discovered in net/wireless/nl80211.c in the Linux kernel through 5.2.17

Critical severity · published Sep 24, 2019

CVE-2019-16746

An issue was discovered in net/wireless/nl80211.c in the Linux kernel through 5.2.17

9.8

CVSS

12.7%

EPSS

On KEV

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.

CVSS vector

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Attack vector

Network

Complexity

Low

Privileges

None

User interaction

None

Confidentiality

High

Integrity

High

Availability

High

Scope

Unchanged

Exploitation

Is it being used?

Exploit prediction (EPSS)12.7% · higher than 96% of CVEs

Exploited in the wildNo evidence yet

CISA KEVNot listed

Ransomware campaign useNot known

Affected products

Which versions

Kernel · Linux

2.6.25 before 3.16.79; 3.17 before 4.4.197; 4.5 before 4.9.197; 4.10 before 4.14.149; 4.15 before 4.19.79; 4.20 before 5.3.6 · source: NVD

Debian Linux · Debian

8.0 · source: NVD

Fedora · Fedoraproject

30 · source: NVD

Leap · Opensuse

15.1 · source: NVD

Ubuntu Linux · Canonical

16.04; 18.04; 19.04; 19.10 · source: NVD

Affected product

Kernel

Linux

All Kernel CVEs

References

NVD

https://nvd.nist.gov/vuln/detail/CVE-2019-16746

CVE.org

https://www.cve.org/CVERecord?id=CVE-2019-16746

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-Slackware-14.2-kernel-Updates.html

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

lists.fedoraproject.org

https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/TASE2ESEZAER6DTZH3DJ4K2JNO46TVL7/