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.

Metrics

No CVSS v4.0

Attack Vector Network

Attack Complexity High

Privileges Required Low

Scope Changed

Confidentiality Impact High

Integrity Impact High

Availability Impact High

User Interaction None

No CVSS v3.0

No CVSS v2

This CVE is not in the KEV list.

Exploitation none

Automatable no

Technical Impact total

Affected Vendors & Products

Vendors Products
Linux
  • Linux Kernel

No data.

No data.

References
Link Providers
https://git.kernel.org/stable/c/44a3059c4c8cc635a1fb2afd692d0730ca1ba4b6 cve-icon cve-icon
https://git.kernel.org/stable/c/6613887da1d18dd2ecfd6c6148a873c4d903ebdc cve-icon cve-icon
https://git.kernel.org/stable/c/7d7c0c5304c88bcbd7a85e9bcd61d27e998ba5fc cve-icon cve-icon
https://git.kernel.org/stable/c/b69fd87076daa66f3d186bd421a7b0ee0cb45829 cve-icon cve-icon
https://git.kernel.org/stable/c/edeecc7871e8fc0878d53ce286c75040a0e38f6c cve-icon cve-icon
https://git.kernel.org/stable/c/fbf5c0845ed15122a770bca9be1d9b60b470d3aa cve-icon cve-icon
https://lore.kernel.org/linux-cve-announce/2025081907-CVE-2025-38561-0f75@gregkh/T cve-icon
https://nvd.nist.gov/vuln/detail/CVE-2025-38561 cve-icon
https://www.cve.org/CVERecord?id=CVE-2025-38561 cve-icon
https://www.zerodayinitiative.com/advisories/ZDI-25-916/ cve-icon cve-icon
History

Fri, 17 Oct 2025 13:15:00 +0000

Type Values Removed Values Added
Weaknesses CWE-362
Metrics cvssV3_1

{'score': 5.5, 'vector': 'CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H'}

 ssvc

{'options': {'Automatable': 'no', 'Exploitation': 'none', 'Technical Impact': 'total'}, 'version': '2.0.3'}

cvssV3_1

{'score': 8.5, 'vector': 'CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:C/C:H/I:H/A:H'}

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

None

 cvssV3_1

{'score': 5.5, 'vector': 'CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H'}

threat_severity

Moderate

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
cve-icon MITRE

Status: PUBLISHED

Assigner: Linux

Published: 2025-08-19T17:02:38.719Z

Updated: 2025-10-17T12:16:49.041Z

Reserved: 2025-04-16T04:51:24.025Z

Link: CVE-2025-38561

cve-icon Vulnrichment

Updated: 2025-10-17T12:16:45.598Z

cve-icon NVD

Status : Awaiting Analysis

Published: 2025-08-19T17:15:32.503

Modified: 2025-10-17T13:15:43.863

Link: CVE-2025-38561

cve-icon Redhat

Severity : Moderate

Publid Date: 2025-08-19T00:00:00Z

Links: CVE-2025-38561 - Bugzilla