Use-after-free in Linux kernel - CVE-2019-15215

 

Use-after-free in Linux kernel - CVE-2019-15215

Published: September 3, 2019


Vulnerability identifier: #VU20816
CSH Severity: Medium
CVSS v4.0: CVSS:4.0/AV:P/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:U/U:Green
CVE-ID: CVE-2019-15215
CWE-ID: CWE-416
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 user to compromise vulnerable system.

The vulnerability exists due to a use-after-free error in the CPiA2 video4linux device driver in the "drivers/media/usb/cpia2/cpia2_usb.c" driver. A local authenticated user with physical access to the system can use a malicious USB device and cause a denial of service (system crash) or possibly execute arbitrary code.

Successful exploitation of the vulnerability may allow an attacker to compromise vulnerable system.


How to mitigate CVE-2019-15215

Install updates from vendor's website.

Sources