Vulnerability 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 Score
CRITICAL
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| Linux | Linux Kernel | >= 2.6.25, < 3.16.79 |
| Debian | Debian Linux | 8.0 |
| Canonical | Ubuntu Linux | 16.04 |
| Fedoraproject | Fedora | 30 |
| Opensuse | Leap | 15.1 |
Related Weaknesses (CWE)
References
- http://lists.opensuse.org/opensuse-security-announce/2020-03/msg00021.htmlMailing ListThird Party Advisory
- http://lists.opensuse.org/opensuse-security-announce/2020-08/msg00009.htmlMailing ListThird Party Advisory
- http://packetstormsecurity.com/files/155212/Slackware-Security-Advisory-SlackwarThird Party AdvisoryVDB Entry
- https://lists.debian.org/debian-lts-announce/2020/01/msg00013.htmlMailing ListThird Party Advisory
- https://lists.debian.org/debian-lts-announce/2020/03/msg00001.htmlMailing ListThird Party Advisory
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedorapro
- https://marc.info/?l=linux-wireless&m=156901391225058&w=2Mailing ListPatchThird Party Advisory
- https://seclists.org/bugtraq/2019/Nov/11Mailing ListThird 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.htmlThird Party Advisory
- http://lists.opensuse.org/opensuse-security-announce/2020-03/msg00021.htmlMailing ListThird Party Advisory
FAQ
What is CVE-2019-16746?
CVE-2019-16746 is a vulnerability with a CVSS score of 9.8 (CRITICAL). 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.
How severe is CVE-2019-16746?
CVE-2019-16746 has been rated CRITICAL with a CVSS base score of 9.8/10. This is considered a critical vulnerability requiring immediate attention.
Is there a patch for CVE-2019-16746?
Check the references section above for vendor advisories and patch information. Affected products include: Linux Linux Kernel, Debian Debian Linux, Canonical Ubuntu Linux, Fedoraproject Fedora, Opensuse Leap.