NULL pointer dereference in Linux kernel - CVE-2019-15290
Published: September 9, 2019
Vulnerability identifier: #VU20931
CSH Severity: Low
CVSS v4.0: CVSS:4.0/AV:P/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:P/U:Clear
CVE-ID: CVE-2019-15290
CWE-ID: CWE-476
Exploitation vector: Local access
Exploit availability:
No public exploit available
Vendor: Linux Foundation
Affected software:
Linux kernel
Linux kernel
Detailed vulnerability description
The vulnerability allows a local attacker to perform a denial of service (DoS) attack.
The vulnerability exists due to a NULL pointer dereference error in the "ath6kl_usb_alloc_urb_from_pipe" function in the "drivers/net/wireless/ath/ath6kl/usb.c" file. A local attacker with physical access can insert a USB device that submits malicious input to the targeted system and cause a denial of service condition.
How to mitigate CVE-2019-15290
Install update from vendor's website.