Improper input validation in Linux kernel - CVE-2017-18257
Published: April 8, 2018
Vulnerability identifier: #VU11614
CSH Severity: Low
CVSS v4: 6.8 [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]
CVE-ID: CVE-2017-18257
CWE-ID: CWE-20
Exploitation vector: Local access
Exploit availability:
No public exploit available
Vulnerability details
The vulnerability allows a local attacker to cause DoS condition on the target system.
The weakness exists in get_data_block function of the fs/f2fs/data.c library due to improper validation of user-supplied input. A local attacker can run a specially crafted program, designed to send malicious requests to the Linux Kernel and cause the system to stop responding.
The weakness exists in get_data_block function of the fs/f2fs/data.c library due to improper validation of user-supplied input. A local attacker can run a specially crafted program, designed to send malicious requests to the Linux Kernel and cause the system to stop responding.
Affected software
Linux kernel
Debian Linux
SUSE Linux
openSUSE Leap
Debian Linux
SUSE Linux
openSUSE Leap
How to mitigate CVE-2017-18257
Install update from vendor's website.