Resource exhaustion in Linux kernel - CVE-2019-15118

 

Resource exhaustion in Linux kernel - CVE-2019-15118

Published: October 23, 2019


Vulnerability identifier: #VU22212
CSH Severity: Low
CVSS v4.0: 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/E:U/U:Clear
CVE-ID: CVE-2019-15118
CWE-ID: CWE-400
Exploitation vector: Local access
Exploit availability: No public exploit available
Vendor: Linux Foundation
Affected software:
Linux kernel

Detailed vulnerability description

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.


How to mitigate CVE-2019-15118

Install update from vendor's website.

Sources