SB2018032204 - Privilege escalation in Linux kernel
Published: March 22, 2018
Security Bulletin ID
SB2018032204
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 security vulnerability.
1) Privilege escalation (CVE-ID: CVE-2018-8822)
The vulnerability allows a local attacker to gain elevated privileges on the target system.The weakness exists in the ncp_read_kernel function due to incorrect buffer length handling. A local attacker can submit specially crafted data from a malicious NCPFS server, trigger memory corruption and execute arbitrary code with root privileges.
Remediation
Install update from vendor's website.