SB2018121814 - Red Hat update for kernel
Published: December 18, 2018
Security Bulletin ID
SB2018121814
Severity
Low
Patch available
YES
Number of vulnerabilities
1
Exploitation vector
Local 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-2018-14646)
The vulnerability allows a local attacker to cause DoS condition on the target system.
The vulnerability exists due to NULL pointer dereference bug in the __netlink_ns_capable() function in the net/netlink/af_netlink.c file. A local attacker can trigger NULL pointer dereference when a net namespace with a netnsid is assigned to cause a kernel panic and a denial of service.
Remediation
Install update from vendor's website.