What is CVE-2025-68315?

CVE-2025-68315 is a critical-severity vulnerability in Linux. CVSS score: 9.8/10. Published 2025-12-16.

How severe is CVE-2025-68315?

Critical severity. CVSS v3 base score is 9.8 out of 10.

Vulnerability in Linux

CVE-2025-68315

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.

EPSS: 0.002 (5.9th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 9.8 (Critical). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H.

Affected products

Linux — versions 6.1.175, 6.17.8, 6.6.140

References

416baaa9-dc9f-4396-8d5f-8c081fb06d67
416baaa9-dc9f-4396-8d5f-8c081fb06d67
416baaa9-dc9f-4396-8d5f-8c081fb06d67
416baaa9-dc9f-4396-8d5f-8c081fb06d67
416baaa9-dc9f-4396-8d5f-8c081fb06d67

Frequently asked questions

What is CVE-2025-68315?: CVE-2025-68315 is a critical-severity vulnerability in Linux. CVSS score: 9.8/10. Published 2025-12-16.
How severe is CVE-2025-68315?: Critical severity. CVSS v3 base score is 9.8 out of 10.