SB2017120406 - Denial of service in Linux Kernel
Published: December 4, 2017
Security Bulletin ID
SB2017120406
CSH Severity
Medium
Patch available
YES
Number of vulnerabilities
1
Exploitation vector
Remote 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-2018-1066)
CWE-ID: CWE-476 - NULL Pointer Dereference
CVSSv4: 8.7 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N]
The vulnerability allows a remote unauthenticated attacker to cause DoS condition on the target system.
The weakness exists in the fs/cifs/cifsencrypt.c:setup_ntlmv2_rsp() function due to NULL pointer dereference. A remote attacker can cause the service to crash.
Remediation
Install update from vendor's website.