SB2019081623 - Resource exhaustion in Linux kernel



SB2019081623 - Resource exhaustion in Linux kernel

Published: August 16, 2019 Updated: October 23, 2019

Security Bulletin ID SB2019081623
CSH 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 vulnerability.


1) Resource exhaustion (CVE-ID: CVE-2019-15118)

CWE-ID: CWE-400 - Resource exhaustion

CVSSv4: 6.8 [CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N]


The vulnerability allows a local user to perform a denial of service (DoS) attack.

The vulnerability exists due to incorrect handling of recursion within the check_input_term() function in sound/usb/mixer.c. A local user can run a specially crafted application to trigger resource exhaustion and perform a denial of service (DoS) attack.


Remediation

Install update from vendor's website.