SB2019082033 - NULL pointer dereference in Linux kernel
Published: August 20, 2019 Updated: September 9, 2019
Security Bulletin ID
SB2019082033
Severity
Low
Patch available
YES
Number of vulnerabilities
1
Exploitation vector
Physical access
Highest impact
Denial of service
Breakdown by Severity
- Low
- Medium
- High
- Critical
Description
This security bulletin contains information about 1 security vulnerability.
1) NULL pointer dereference (CVE-ID: CVE-2019-15290)
The vulnerability allows a local attacker to perform a denial of service (DoS) attack.
The vulnerability exists due to a NULL pointer dereference error in the "ath6kl_usb_alloc_urb_from_pipe" function in the "drivers/net/wireless/ath/ath6kl/usb.c" file. A local attacker with physical access can insert a USB device that submits malicious input to the targeted system and cause a denial of service condition.
Remediation
Install update from vendor's website.