#VU14183 Null pointer dereference in Linux kernel - CVE-2018-14616
Published: August 3, 2018
Vulnerability identifier: #VU14183
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:P/U:Clear
CVE-ID: CVE-2018-14616
CWE-ID: CWE-476
Exploitation vector: Local access
Exploit availability:
No public exploit available
Vulnerable software:
Linux kernel
Linux kernel
Software vendor:
Linux Foundation
Linux Foundation
Description
The vulnerability allows a local attacker to cause DoS condition on the target system.
The vulnerability exists due to NULL pointer dereference when the fscrypt_do_page_crypto() function, as defined in the fs/crypto/crypto.c source code file of the affected software, operates on a file in a corrupted Flash-Friendly File System (F2FS) image. A local attacker can mount a malicious F2FS image on a targeted system, operat on a file in the image, and cause the software to crash.
Remediation
Install update from vendor's website.