What is CVE-2026-93801?

CVE-2026-93801 is a high-severity vulnerability in Linux. CVSS score: 7.0/10. Published 2026-09-24.

How severe is CVE-2026-93801?

High severity. CVSS v3 base score is 7.0 out of 10.

Vulnerability in Linux

CVE-2026-93801

In the Linux kernel, the following vulnerability has been resolved: smb/client: zero-initialize stack-allocated cifs_open_info_data Stack-allocated cifs_open_info_data may contain random data. This can make some fields have wrong value if they are not set later.

Published 2026-09-24 · last modified 2026-09-25.

CVSS v3 metric

CVSS v3 base score 7.0 (High). Vector: CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H.

EPSS exploit prediction

No EPSS score from FIRST.org yet. New CVEs usually get one within a few days; no score means no signal yet, not low risk. How EPSS works.

Affected products

Linux

References

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

Frequently asked questions

What is CVE-2026-93801?: CVE-2026-93801 is a high-severity vulnerability in Linux. CVSS score: 7.0/10. Published 2026-09-24.
How severe is CVE-2026-93801?: High severity. CVSS v3 base score is 7.0 out of 10.