NULL pointer dereference in Linux kernel - CVE-2019-15291

 

NULL pointer dereference in Linux kernel - CVE-2019-15291

Published: September 6, 2019


Vulnerability identifier: #VU20918
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:U/U:Clear
CVE-ID: CVE-2019-15291
CWE-ID: CWE-476
Exploitation vector: Local access
Exploit availability: No public exploit available
Vendor: Linux Foundation
Affected software:
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 "flexcop_usb_probe" function in the "drivers/media/usb/b2c2/flexcop-usb.c" driver. A local attacker with physical access can use a malicious USB device and perform a denial of service (DoS) attack.


How to mitigate CVE-2019-15291

Install update from vendor's website.

Sources