SB2017100408 - Privilege escalation in Linux kernel
Published: October 4, 2017
Security Bulletin ID
SB2017100408
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) Memory leak (CVE-ID: CVE-2017-14991)
The vulnerability allows a local user to perform a denial of service (DoS) attack.
The vulnerability exists due to memory leak in sg_ioctl() function in drivers/scsi/sg.c. A local user can obtain sensitive information from uninitialized kernel heap-memory locations via an SG_GET_REQUEST_TABLE ioctl call for /dev/sg0.
Remediation
Install update from vendor's website.