SB2019010404 - Denial of service in Linux Kernel



SB2019010404 - Denial of service in Linux Kernel

Published: January 4, 2019

Security Bulletin ID SB2019010404
Severity
Low
Patch available
YES
Number of vulnerabilities 1
Exploitation vector Local access
Highest impact Denial of service

Breakdown by Severity

Low 100%
  • Low
  • Medium
  • High
  • Critical

Description

This security bulletin contains information about 1 security vulnerability.


1) Denial of service (CVE-ID: CVE-2019-3701)

The vulnerability allows a local unauthenticated attacker to cause DoS condition on the target system.

The weakness exists in can_can_gw_rcv in net/can/gw.c due to missing check. A local attacker can write arbitrary content beyond the data registers in the CAN controller's I/O memory when processing can-gw manipulated outgoing frames, trigger general protection fault and cause the system to crash.

Remediation

Install update from vendor's website.