CVEvulnerability
CVE-2017-18200
5.5 MEDIUM
Official page ↗
- Status
- Modified
- Published
- 2018-02-26
- Last modified
- 2026-06-17
- Assigner
- [email protected]
- CVSS 3.0 ([email protected])
- 5.5 MEDIUM — CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
- CVSS 2.0 ([email protected])
- 4.9 MEDIUM — AV:L/AC:L/Au:N/C:N/I:N/A:C
- Weaknesses
- CWE-20
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.
Affected configurations
• linux linux kernel (<= 4.13)
Related
Weakness · CWE (1)
- CWE-20 Improper Input Validation weakness
References
- http://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=638164a2718f337ea224b747cf5977ef143166a4 Patch, Third Party Advisory
- https://github.com/torvalds/linux/commit/638164a2718f337ea224b747cf5977ef143166a4 Patch, Third Party Advisory
- http://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=638164a2718f337ea224b747cf5977ef143166a4 Patch, Third Party Advisory
- https://github.com/torvalds/linux/commit/638164a2718f337ea224b747cf5977ef143166a4 Patch, Third Party Advisory