CVE-2019-16746

CRITICAL EPSS 95.8%

Published Sep 24, 20196y ago · Modified Jun 17, 20262w ago

9.8 CVSS 3.1

Critical

Published Sep 24, 2019 6y ago

Last Modified Jun 17, 2026 2w ago

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 Details

Base Score

9.8

Exploitability

3.9

Impact

5.9

Vector string

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

Attack Vector Network

Attack Complexity Low

Privileges Required None

User Interaction None

Scope Unchanged

Confidentiality High

Integrity High

Availability High

Threat Intelligence

EPSS Exploit Probability

95.8% percentile

Exploit & Patch Status

No Known Exploit

Patch Available

Weaknesses 1

CWE-120

Affected Products 13

Vendor	Product	Version	Range
linux	linux_kernel	*	≥2.6.25 – <3.16.79
linux	linux_kernel	*	≥3.17 – <4.4.197
linux	linux_kernel	*	≥4.5 – <4.9.197
linux	linux_kernel	*	≥4.10 – <4.14.149
linux	linux_kernel	*	≥4.15 – <4.19.79
linux	linux_kernel	*	≥4.20 – <5.3.6
debian	debian_linux	8.0	any
canonical	ubuntu_linux	16.04	any
canonical	ubuntu_linux	18.04	any
canonical	ubuntu_linux	19.04	any
canonical	ubuntu_linux	19.10	any
fedoraproject	fedora	30	any
opensuse	leap	15.1	any

References 14

lists.opensuse.org http://lists.opensuse.org/opensuse-security-announce/2020-03/msg00021.html

Mailing ListThird Party Advisory
lists.opensuse.org http://lists.opensuse.org/opensuse-security-announce/2020-08/msg00009.html

Mailing ListThird Party Advisory
packetstormsecurity.com http://packetstormsecurity.com/files/155212/Slackware-Security-Advisory-Slackware-14.2-kernel-Updates.html

Third Party AdvisoryVDB Entry
lists.debian.org https://lists.debian.org/debian-lts-announce/2020/01/msg00013.html

Mailing ListThird Party Advisory
lists.debian.org https://lists.debian.org/debian-lts-announce/2020/03/msg00001.html

Mailing ListThird Party Advisory
lists.fedoraproject.org https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/TASE2ESEZAER6DTZH3DJ4K2JNO46TVL7/
marc.info https://marc.info/?l=linux-wireless&m=156901391225058&w=2

Mailing ListPatchThird Party Advisory
seclists.org https://seclists.org/bugtraq/2019/Nov/11

Mailing ListThird Party Advisory
security.netapp.com https://security.netapp.com/advisory/ntap-20191031-0005/

Third Party Advisory
usn.ubuntu.com https://usn.ubuntu.com/4183-1/

Third Party Advisory
usn.ubuntu.com https://usn.ubuntu.com/4186-1/

Third Party Advisory
usn.ubuntu.com https://usn.ubuntu.com/4209-1/

Third Party Advisory
usn.ubuntu.com https://usn.ubuntu.com/4210-1/

Third Party Advisory
oracle.com https://www.oracle.com/security-alerts/cpuApr2021.html

Third Party Advisory

Remediation

marc.info https://marc.info/?l=linux-wireless&m=156901391225058&w=2

Mailing ListPatchThird Party Advisory