SB20190404113 - Information exposure in Linux kernel
Published: April 4, 2019
Security Bulletin ID
SB20190404113
Severity
Low
Patch available
YES
Number of vulnerabilities
1
Exploitation vector
Local access
Highest impact
Information disclosure
Breakdown by Severity
- Low
- Medium
- High
- Critical
Description
This security bulletin contains information about 1 security vulnerability.
1) Information exposure (CVE-ID: CVE-2018-20449)
The vulnerability allows a local user to gain access to sensitive information.
The hidma_chan_stats function in drivers/dma/qcom/hidma_dbg.c in the Linux kernel 4.14.90 allows local users to obtain sensitive address information by reading 'callback=' lines in a debugfs file.
Remediation
Install update from vendor's website.