#VU10711 NULL pointer dereference in Linux kernel - CVE-2017-12192

 

#VU10711 NULL pointer dereference in Linux kernel - CVE-2017-12192

Published: February 26, 2018 / Updated: February 26, 2018


Vulnerability identifier: #VU10711
Vulnerability risk: Low
CVSSv4.0: 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
CVE-ID: CVE-2017-12192
CWE-ID: CWE-476
Exploitation vector: Local access
Exploit availability: No public exploit available
Vulnerable software:
Linux kernel
Software vendor:
Linux Foundation

Description

The vulnerability allows a local attacker to cause DoS condition on the target system.

The weakness exists in the Key Management sub component of the Linux kernel when trying to issue a KEYTCL_READ on a negative key due to a NULL pointer dereference. A local attacker can cause the kernel and service to crash.

Remediation

Update to version 4.13.5.

External links