CVE-2026-99114
kernel: ksmbd: initialize FileSystemControlFlags in FS_CONTROL_INFORMATION
Severity
ModerateRed Hat Product Security
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 · 4.3CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N
CWE-908 · Use of Uninitialized Resource