SB2019070207 - Denial of service in Linux Kernel NFC implementation
Published: July 2, 2019
Breakdown by Severity
- Low
- Medium
- High
- Critical
Description
This security bulletin contains information about 1 security vulnerability.
1) NULL pointer dereference (CVE-ID: CVE-2019-12984)
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.
Remediation
Install update from vendor's website.