SOC status:Duty analyst on shift

UK Cyber Defence
VulnerabilityModified

CVE-2019-16746

It does not check the length of variable elements in a beacon head, leading to a buffer overflow.

CRITICAL 9.8EPSS 12.7%

Does this matter?

EPSS puts the probability of exploitation in the next 30 days at 12.7%, higher than 96% of all known CVEs. Patch or mitigate before the next change window.

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 3.1
9.8 CRITICALCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
EPSS
12.65% probability · 96th percentile
Public exploits
None in Exploit-DB
CISA KEV
Not listed
Weakness
CWE-120
Affected
linux/linux kernel · debian/debian linux · canonical/ubuntu linux · fedoraproject/fedora · opensuse/leap
Source
cve@mitre.org
EPSS trend
0%8%15%26 October 2026: 12.65%26 October 202626 October 2026

EPSS 12.7% since 26 October 2026; no change recorded yet. The dashed line is the ten per cent mark our analysts treat as “patch before the next change window”. Points are recorded when the score first appears and whenever it moves by a percentage point or more.

References

Source: NVD record, EPSS from FIRST.org, KEV from CISA, exploits from Exploit-DB. Refreshed daily. Download this record as JSON.