What is CVE-2026-53392?

CVE-2026-53392 is a high-severity vulnerability in Linux. CVSS score: 7.5/10. Published 2026-07-19.

How severe is CVE-2026-53392?

High severity. CVSS v3 base score is 7.5 out of 10.

Vulnerability in Linux

CVE-2026-53392

In the Linux kernel, the following vulnerability has been resolved: NFSv4/flexfiles: reject zero filehandle version count ff_layout_alloc_lseg() decodes the filehandle-version array count from the flexfiles layout body. The value is used…

EPSS: 0.002 (6.4th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 7.5 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H.

Affected products

Linux — versions d67ae825a59d639e4d8b82413af84d854617a87e, 4.0, 0

References

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-2026-53392?: CVE-2026-53392 is a high-severity vulnerability in Linux. CVSS score: 7.5/10. Published 2026-07-19.
How severe is CVE-2026-53392?: High severity. CVSS v3 base score is 7.5 out of 10.