CVE-2017-18200

MediumCVSS 5.5/10Last modified Jun 17, 2026

Description

The f2fs implementation in the Linux kernel before 4.14 mishandles reference counts associated with f2fs_wait_discard_bios calls, which allows local users to cause a denial of service (BUG), as demonstrated by fstrim.

Metrics

CVSS 3.0 5.5/10CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H

Weakness enumeration

CWE-20

Affected software

Vendor	Product	Versions
n/a	n/a	n/a

References

http://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=638164a2718f337ea224b747cf5977ef143166a4Patch, Third Party Advisory
https://github.com/torvalds/linux/commit/638164a2718f337ea224b747cf5977ef143166a4Patch, Third Party Advisory
http://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=638164a2718f337ea224b747cf5977ef143166a4Patch, Third Party Advisory
https://github.com/torvalds/linux/commit/638164a2718f337ea224b747cf5977ef143166a4Patch, Third Party Advisory

Timeline

Published: Feb 26, 2018
Last modified: Jun 17, 2026
NVD status: Modified

Related CVEs from 2017

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