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CVE-2019-17133

kernel: buffer overflow in cfg80211_mgd_wext_giwessid in net/wireless/wext-sme.c

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Severity

Important

Red Hat Product Security

8

CVSS 3.1

Review impact separately from score.

Published · October 4, 2019

Updated · November 2, 2026

Description

A vulnerability was found in the Linux kernel's generic WiFi ESSID handling implementation. The flaw allows a system to join a wireless network where the ESSID is longer than the maximum length of 32 characters, which can cause the system to crash or execute code.

CVSS score applicability

The CVSS score(s) listed for this vulnerability do not reflect the associated product's status, and are included for informational purposes to better understand the severity of this vulnerability.

Mitigation

No mitigation is specified in collected source.

CVSS / CWE

CVSS 3.1 · 8
CVSS:3.1/AV:A/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

CWE-120 · Buffer Copy without Checking Size of Input