What is CVE-2025-68761?

CVE-2025-68761 is a high-severity vulnerability in Linux. CVSS score: 7.8/10. Published 2026-01-05.

How severe is CVE-2025-68761?

High severity. CVSS v3 base score is 7.8 out of 10.

Vulnerability in Linux

CVE-2025-68761

In the Linux kernel, the following vulnerability has been resolved: hfs: fix potential use after free in hfs_correct_next_unused_CNID() This code calls hfs_bnode_put(node) which drops the refcount and then dreferences "node" on the next line. It's only safe to use "node" when we're holding a reference so flip these two lines around.

EPSS: 0.001 (4.2th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 7.8 (High). Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H.

Affected products

Linux — versions a06ec283e125e334155fe13005c76c9f484ce759, 6.18, 0

References

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

Frequently asked questions

What is CVE-2025-68761?: CVE-2025-68761 is a high-severity vulnerability in Linux. CVSS score: 7.8/10. Published 2026-01-05.
How severe is CVE-2025-68761?: High severity. CVSS v3 base score is 7.8 out of 10.