SB2020060360 - Input validation error in Linux kernel



SB2020060360 - Input validation error in Linux kernel

Published: June 3, 2020 Updated: August 8, 2020

Security Bulletin ID SB2020060360
Severity
Low
Patch available
YES
Number of vulnerabilities 1
Exploitation vector Local access
Highest impact Data manipulation

Breakdown by Severity

Low 100%
  • Low
  • Medium
  • High
  • Critical

Description

This security bulletin contains information about 1 security vulnerability.


1) Input validation error (CVE-ID: CVE-2019-20811)

The vulnerability allows a local authenticated user to manipulate data.

An issue was discovered in the Linux kernel before 5.0.6. In rx_queue_add_kobject() and netdev_queue_add_kobject() in net/core/net-sysfs.c, a reference count is mishandled, aka CID-a3e23f719f5c.


Remediation

Install update from vendor's website.