SB2018051609 - Denial of service in Linux Kernel
Published: May 16, 2018
Security Bulletin ID
SB2018051609
CSH 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 vulnerability.
1) Null pointer dereference (CVE-ID: CVE-2018-1000200)
CWE-ID: CWE-476 - NULL Pointer Dereference
CVSSv4: CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:U/U:Clear
The vulnerability allows a remote attacker to cause DoS condition on the target system.
The weakness exists due to a flaw in the Linux kernel where an out of memory (oom) killing of a process that has large spans of mlocked memory. A local attacker can trigger NULL pointer dereference and cause the system to crash.
Remediation
Install update from vendor's website.