What is CVE-2026-53017?

CVE-2026-53017 is a medium-severity vulnerability in Linux. CVSS score: 5.5/10. Published 2026-06-24.

How severe is CVE-2026-53017?

Medium severity. CVSS v3 base score is 5.5 out of 10.

Vulnerability in Linux

CVE-2026-53017

In the Linux kernel, the following vulnerability has been resolved: f2fs: fix data loss caused by incorrect use of nat_entry flag Data loss can occur when fsync is performed on a newly created file (before any checkpoint has been written…

EPSS: 0.001 (1.6th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 5.5 (Medium). Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H.

Affected products

Linux — versions e05df3b115e7308afbca652769b54e4549fcc723, 3.8, 0
Linux Linux_kernel

References

416baaa9-dc9f-4396-8d5f-8c081fb06d67 (Patch)
416baaa9-dc9f-4396-8d5f-8c081fb06d67 (Patch)

Frequently asked questions

What is CVE-2026-53017?: CVE-2026-53017 is a medium-severity vulnerability in Linux. CVSS score: 5.5/10. Published 2026-06-24.
How severe is CVE-2026-53017?: Medium severity. CVSS v3 base score is 5.5 out of 10.