PT-2025-44389 · Linux+3 · Linux Kernel+3
Published
2025-10-15
·
Updated
2026-05-26
·
CVE-2025-40099
CVSS v2.0
4.6
Medium
| Vector | AV:L/AC:L/Au:S/C:N/I:N/A:C |
Name of the Vulnerable Software and Affected Versions
Linux kernel (affected versions not specified)
Description
A flaw exists in the Linux kernel related to the handling of Distributed File System (DFS) referrals within the SMB protocol. A malicious SMB server can send crafted responses to
FSCTL DFS GET REFERRALS requests, specifically replies that are either smaller than the expected size or contain inconsistent referral counts. Processing these malformed replies can lead to an out-of-bounds read condition. The issue is triggered when processing replies to the FSCTL DFS GET REFERRALS request. The vulnerability is related to the parse dfs referrals function.Recommendations
At the moment, there is no information about a newer version that contains a fix for this vulnerability.
Exploit
Buffer Overflow
Out of bounds Read
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Related Identifiers
Affected Products
Debian
Linuxmint
Linux Kernel
Ubuntu