#VU23563 Heap-based buffer overflow in Linux kernel - CVE-2019-9500
Published: December 12, 2019
Vulnerability identifier: #VU23563
Vulnerability risk: Low
CVSSv4.0: CVSS:4.0/AV:A/AC:L/AT:P/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:U/U:Clear
CVE-ID: CVE-2019-9500
CWE-ID: CWE-122
Exploitation vector: Adjecent network
Exploit availability:
No public exploit available
Vulnerable software:
Linux kernel
Linux kernel
Software vendor:
Linux Foundation
Linux Foundation
Description
The vulnerability allows a remote attacker to perform a denial of service (DoS) attack.
The vulnerability exists due to a boundary error in the "brcmf_wowl_nd_results()" function in "drivers/net/wireless/broadcom/brcm80211/brcmfmac/cfg80211.c" file. A remote attacker on the local network can trigger heap-based buffer overflow and cause a denial of service condition on the target system.
Remediation
Install updates from vendor's website.