SB2019060425 - NULL pointer dereference in Linux kernel sparc kernel



SB2019060425 - NULL pointer dereference in Linux kernel sparc kernel

Published: June 4, 2019

Security Bulletin ID SB2019060425
Severity
Medium
Patch available
YES
Number of vulnerabilities 1
Exploitation vector Remote access
Highest impact Denial of service

Breakdown by Severity

Medium 100%
  • Low
  • Medium
  • High
  • Critical

Description

This security bulletin contains information about 1 security vulnerability.


1) NULL pointer dereference (CVE-ID: CVE-2019-12615)

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.


Remediation

Install update from vendor's website.