NULL pointer dereference in Linux kernel - CVE-2019-15291
Published: September 6, 2019
Vulnerability identifier: #VU20918
CSH Severity: Low
CVSS v4: 5.1 [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]
CVE-ID: CVE-2019-15291
CWE-ID: CWE-476
Exploitation vector: Local access
Exploit availability:
No public exploit available
Vulnerability details
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.
Affected software
Linux kernel
Slackware Linux
Opensuse
RSA Authentication Manager
Slackware Linux
Opensuse
RSA Authentication Manager
How to mitigate CVE-2019-15291
Install update from vendor's website.
Linux kernel - update to 5.2.10
RSA Authentication Manager - update to 8.4 Patch 9
RSA Authentication Manager - update to 8.4 Patch 9