CVE-2025-68315

f2fs: fix to detect potential corrupted nid in free_nid_list

CVE-2025-68315 is fixed in linux on 1 platform, first by DEBIAN-CVE-2025-68315, released December 16, 2025. It is not reported as exploited. Patch Radar priority: High.

High

CVSS

9.8

Important

Exploitation

None reported

No vendor assessment

CISA KEV

Not listed

Not in the Known Exploited Vulnerabilities catalog

EPSS

0.0043

37th percentile

In the Linux kernel, the following vulnerability has been resolved: f2fs: fix to detect potential corrupted nid in free_nid_list As reported, on-disk footer.ino and footer.nid is the same and out-of-range, let's add sanity check on f2fs_alloc_nid() to detect any potential corruption in free_nid_list.

Where it's fixed

Product	Fixed in	Fix	Released
Linux
linux · Debian 12.15 (bookworm)	6.1.176-1	DEBIAN-CVE-2025-68315	Dec 16, 2025
linux · Debian 13.5 (trixie)	6.12.63-1	DEBIAN-CVE-2025-68315	Dec 16, 2025
linux · Debian 14	6.17.8-1	DEBIAN-CVE-2025-68315	Dec 16, 2025

Details

Published
December 16, 2025
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Vendor advisory
https://msrc.microsoft.com/update-guide/vulnerability/CVE-2025-68315

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