NULL pointer dereference in Linux kernel - CVE-2019-12615

 

NULL pointer dereference in Linux kernel - CVE-2019-12615

Published: June 4, 2019 / Updated: June 2, 2021


Vulnerability identifier: #VU90671
CSH Severity: Medium
CVSS v4.0: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:U/U:Green
CVE-ID: CVE-2019-12615
CWE-ID: CWE-476
Exploitation vector: Remote access
Exploit availability: No public exploit available
Vendor: Linux Foundation
Affected software:
Linux kernel

Detailed vulnerability description

The vulnerability allows a remote non-authenticated attacker to perform a denial of service (DoS) attack.

The vulnerability exists due to NULL pointer dereference within the get_vdev_port_node_info() function in arch/sparc/kernel/mdesc.c. A remote non-authenticated attacker can perform a denial of service (DoS) attack.


How to mitigate CVE-2019-12615

Install update from vendor's website.

Sources