TI-2017-13434 Aliases CVE-2017-18249 GHSA-3g3f-97cc-fc4h

The add_free_nid function in fs/f2fs/node.c in the Linux kernel before 4.12 does not…

LOW 31CWE-362Published 2018-03-26 · Updated 2024-08-05

Key facts

Attack vector: Local
Privileges required: Low
User interaction: None
Attack complexity: High
Impact type: —
Confidentiality · integrity · availability: High · High · High
Fix status: No fix listed

Attack profile from CVSS 3.0 · NVD. Fix status from CNA.

Summary

The add_free_nid function in fs/f2fs/node.c in the Linux kernel before 4.12 does not properly track an allocated nid, which allows local users to cause a denial of service (race condition) or possibly have unspecified other impact via concurrent threads.

Why it matters now

EPSS 0.00306 23rd percentileScored 2026-11-07

Fix No fix listed No fixed version in the sources yet

SSVC decision points

Not available: CISA has not published SSVC decision points for this record.

Affected products

Vendor	Product	Affected versions	Fixed in	Status	Source
—	—	all versions	—	No fix listed	CNA

— Vendor— Affected all versions Fixed in — No fix listed CNA

CPE configurations NVD · 2

CPE	Versions	Role	Vendor
cpe:2.3:o:linux:linux_kernel::::::::	before 4.12	Vulnerable	Linux
cpe:2.3:o:debian:debian_linux:8.0:::::::*	8.0	Vulnerable	Debian

cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:* Versions before 4.12 Vulnerable ·Linux
cpe:2.3:o:debian:debian_linux:8.0:*:*:*:*:*:*:* Versions 8.0 Vulnerable ·Debian

Remediation

No fixed version listed by the sources yet.

Vendor assessments

Red Hat

Red Hat rating: Moderate. Red Hat's page for this CVE →

Not affected: 5 products

Red Hat Enterprise Linux 5
Red Hat Enterprise Linux 6
Red Hat Enterprise Linux 7
Red Hat Enterprise Linux 8
Red Hat Enterprise MRG 2

Timeline

2026-10-02 Threatist record created from CVE-2017-18249
2026-10-03 Alias added: GHSA-3g3f-97cc-fc4h

References

Patch 2

Advisory 3

Sources

This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences