Denial of service in Linux kernel - CVE-2017-18200
Published: February 27, 2018
Vulnerability identifier: #VU10770
CSH Severity: Low
CVSS v4.0: 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-2017-18200
CWE-ID: CWE-20
Exploitation vector: Local access
Exploit availability:
No public exploit available
Vendor: Linux Foundation
Affected software:
Linux kernel
Linux kernel
Detailed vulnerability description
The vulnerability allows a local attacker to cause DoS condition ob the target system.
The weakness exists in the Flash-Friendly File System (F2FS) implementation due to the improper handling of reference counts that are associated with f2fs_wait_discard_bios calls. A remote attacker can send a specially crafted fstrim command and cause a kernel panic.
The weakness exists in the Flash-Friendly File System (F2FS) implementation due to the improper handling of reference counts that are associated with f2fs_wait_discard_bios calls. A remote attacker can send a specially crafted fstrim command and cause a kernel panic.
How to mitigate CVE-2017-18200
Install update from vendor's website.