ksmbd: fix Preauh_HashValue race condition
If client send multiple session setup requests to ksmbd,
Preauh_HashValue race condition could happen.
There is no need to free sess->Preauh_HashValue at session setup phase.
It can be freed together with session at connection termination phase.
No analysis available yet.
No remediation available yet.
Tracking
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| Source | ID | Title |
|---|---|---|
Debian DLA |
DLA-4328-1 | linux-6.1 security update |
EUVD |
EUVD-2025-26504 | In the Linux kernel, the following vulnerability has been resolved: ksmbd: fix Preauh_HashValue race condition If client send multiple session setup requests to ksmbd, Preauh_HashValue race condition could happen. There is no need to free sess->Preauh_HashValue at session setup phase. It can be freed together with session at connection termination phase. |
Ubuntu USN |
USN-7879-1 | Linux kernel vulnerabilities |
Ubuntu USN |
USN-7879-2 | Linux kernel (Real-time) vulnerabilities |
Ubuntu USN |
USN-7880-1 | Linux kernel (OEM) vulnerabilities |
Ubuntu USN |
USN-7879-3 | Linux kernel vulnerabilities |
Ubuntu USN |
USN-7879-4 | Linux kernel vulnerabilities |
Ubuntu USN |
USN-7934-1 | Linux kernel (Azure) vulnerabilities |
Ubuntu USN |
USN-8013-1 | Linux kernel vulnerabilities |
Ubuntu USN |
USN-8015-1 | Linux kernel vulnerabilities |
Ubuntu USN |
USN-8013-2 | Linux kernel (FIPS) vulnerabilities |
Ubuntu USN |
USN-8013-3 | Linux kernel (Real-time) vulnerabilities |
Ubuntu USN |
USN-8015-2 | Linux kernel (Real-time) vulnerabilities |
Ubuntu USN |
USN-8016-1 | Linux kernel (NVIDIA) vulnerabilities |
Ubuntu USN |
USN-8015-3 | Linux kernel (FIPS) vulnerabilities |
Ubuntu USN |
USN-8013-4 | Linux kernel vulnerabilities |
Ubuntu USN |
USN-8015-4 | Linux kernel vulnerabilities |
Ubuntu USN |
USN-8052-1 | Linux kernel (Low Latency) vulnerabilities |
Ubuntu USN |
USN-8015-5 | Linux kernel vulnerabilities |
Ubuntu USN |
USN-8074-1 | Linux kernel (Azure) vulnerabilities |
Ubuntu USN |
USN-8074-2 | Linux kernel (Azure FIPS) vulnerabilities |
Ubuntu USN |
USN-8126-1 | Linux kernel (Azure) vulnerabilities |
Wed, 07 Jan 2026 20:45:00 +0000
| Type | Values Removed | Values Added |
|---|---|---|
| First Time appeared |
Debian
Debian debian Linux |
|
| CPEs | cpe:2.3:o:debian:debian_linux:11.0:*:*:*:*:*:*:* cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:* |
|
| Vendors & Products |
Debian
Debian debian Linux |
Mon, 03 Nov 2025 18:30:00 +0000
| Type | Values Removed | Values Added |
|---|---|---|
| References |
|
Fri, 17 Oct 2025 13:15:00 +0000
| Type | Values Removed | Values Added |
|---|---|---|
| Weaknesses | CWE-362 | |
| Metrics |
cvssV3_1
|
ssvc
|
Fri, 10 Oct 2025 15:45:00 +0000
| Type | Values Removed | Values Added |
|---|---|---|
| References |
|
Thu, 21 Aug 2025 12:45:00 +0000
| Type | Values Removed | Values Added |
|---|---|---|
| First Time appeared |
Linux
Linux linux Kernel |
|
| Vendors & Products |
Linux
Linux linux Kernel |
Wed, 20 Aug 2025 12:15:00 +0000
| Type | Values Removed | Values Added |
|---|---|---|
| References |
| |
| Metrics |
threat_severity
|
cvssV3_1
|
Tue, 19 Aug 2025 17:15:00 +0000
| Type | Values Removed | Values Added |
|---|---|---|
| Description | In the Linux kernel, the following vulnerability has been resolved: ksmbd: fix Preauh_HashValue race condition If client send multiple session setup requests to ksmbd, Preauh_HashValue race condition could happen. There is no need to free sess->Preauh_HashValue at session setup phase. It can be freed together with session at connection termination phase. | |
| Title | ksmbd: fix Preauh_HashValue race condition | |
| References |
|
|
Status: PUBLISHED
Assigner: Linux
Published:
Updated: 2026-02-26T17:48:28.579Z
Reserved: 2025-04-16T04:51:24.025Z
Link: CVE-2025-38561
Updated: 2025-11-03T17:39:50.588Z
Status : Analyzed
Published: 2025-08-19T17:15:32.503
Modified: 2026-01-07T20:41:54.540
Link: CVE-2025-38561
OpenCVE Enrichment
Updated: 2025-08-21T12:31:42Z
Debian DLA
EUVD
Ubuntu USN