CVE-2021-47568
kernel: ksmbd: fix memleak in get_file_stream_info()
Severity
ModerateRed Hat Product Security
CVSS 3.1
Review impact separately from score.
Published · May 24, 2024
Updated · November 21, 2025
Description
A flaw was found in the ksmbd module in the Linux kernel. Under some conditions, a memory leak can occur in the get_file_stream_info function in the fs/ksmbd/smb2pdu.c file, potentially impacting system performance and possibly resulting in a denial of service.
Statement
The ksmbd module is not built in the kernel shipped in Red Hat Enterprise Linux, so it is not affected by this vulnerability.
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 · 5.5CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
CWE-401 · Missing Release of Memory after Effective Lifetime