vulnerability

Debian: CVE-2023-4130: linux -- security update

Severity
5
CVSS
(AV:L/AC:L/Au:S/C:N/I:N/A:C)
Published
Aug 18, 2025
Added
Aug 18, 2025
Modified
Oct 24, 2025

Description

In the Linux kernel, the following vulnerability has been resolved:

ksmbd: fix wrong next length validation of ea buffer in smb2_set_ea()

There are multiple smb2_ea_info buffers in FILE_FULL_EA_INFORMATION request
from client. ksmbd find next smb2_ea_info using ->NextEntryOffset of
current smb2_ea_info. ksmbd need to validate buffer length Before
accessing the next ea. ksmbd should check buffer length using buf_len,
not next variable. next is the start offset of current ea that got from
previous ea.

Solution

debian-upgrade-linux
Title
NEW

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