SB2018030629 - NULL pointer dereference in xen (Alpine package)
Published: March 6, 2018
Security Bulletin ID
SB2018030629
CSH Severity
Low
Patch available
YES
Number of vulnerabilities
1
Exploitation vector
Adjecent network
Highest impact
Partial DoS
Breakdown by Severity
- Low
- Medium
- High
- Critical
Description
This security bulletin contains information about 1 vulnerability.
1) NULL pointer dereference (CVE-ID: CVE-2018-7542)
CWE-ID: CWE-476 - NULL Pointer Dereference
CVSSv4: CVSS:4.0/AV:A/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N/E:U/U:Clear
The vulnerability allows an adjacent attacker to cause DoS condition on the target system.
The weakness exists due to NULL pointer dereference. An adjacent attacker can cause the service to crash by leveraging the mishandling of configurations that lack a Local APIC.
Remediation
Install update from vendor's website.