NULL pointer dereference in Linux kernel - CVE-2019-12984
Published: July 2, 2019 / Updated: July 2, 2019
Vulnerability identifier: #VU18956
CSH Severity: Low
CVSS v4.0: CVSS:4.0/AV:P/AC:L/AT:N/PR:N/UI:A/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:U/U:Clear
CVE-ID: CVE-2019-12984
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 an attacker to perform a denial of service (DoS) attack.
The vulnerability exists due to a NULL pointer dereference error within the "nfc_genl_deactivate_target()" function in "net/nfc/netlink.c" file. An attacker with physical access to the system can persuade a user to execute an application that omits certain near-field communication (NFC) attributes and perform a denial of service (DoS) attack.
How to mitigate CVE-2019-12984
Install update from vendor's website.