CVE Database›Document archive›CVE-2026-99114

CVE-2026-99114

kernel: ksmbd: initialize FileSystemControlFlags in FS_CONTROL_INFORMATION

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Severity

Moderate

Red Hat Product Security

4.3

CVSS 3.1

Review impact separately from score.

Published · October 28, 2026

Updated · October 29, 2026

Description

A flaw was found in the Linux kernel's ksmbd, an in-kernel Server Message Block (SMB) file server. This vulnerability allows an information disclosure where residual data from previous responses can be leaked to a client. A remote client can exploit this flaw by sending crafted compound requests, triggering the server to return uninitialized buffer data containing remnants of earlier operations.

CVSS score applicability

The CVSS score(s) listed for this vulnerability do not reflect the associated product's status, and are included for informational purposes to better understand the severity of this vulnerability.

Mitigation

No mitigation is specified in collected source.

CVSS / CWE

CVSS 3.1 · 4.3
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N

CWE-908 · Use of Uninitialized Resource