SB2018090510 - Privilege escalation in Linux Kernel
Published: September 5, 2018
Security Bulletin ID
SB2018090510
CSH Severity
Low
Patch available
YES
Number of vulnerabilities
1
Exploitation vector
Local access
Highest impact
Code execution
Breakdown by Severity
- Low
- Medium
- High
- Critical
Description
This security bulletin contains information about 1 vulnerability.
1) Memory corruption (CVE-ID: CVE-2018-16276)
CWE-ID: CWE-119 - Memory corruption
CVSSv4: CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:U/U:Clear
The vulnerability allows a local attacker to gain elevated privileges on the target system.
The vulnerability exists due to an out-of-bounds access condition in the yurex_read function, as defined in the drivers/usb/misc/yurex.c source code file. A remote unauthenticated attacker can execute a specially crafted program that submits malicious, trigger memory corruption and gain elevated privileges or cause the service to crash.
Remediation
Install update from vendor's website.