CVE-2025-39720

In the Linux kernel, the following vulnerability has been resolved: ksmbd: fix refcount leak causing resource not released When ksmbd_conn_releasing(opinfo->conn) returns true,the refcount was not decremented properly, causing a refcount leak that prevents the count from reaching zero and the memory from being released.

CVSS v3 7.5 HIGH

7.5^/10

CVSS v3 : HIGH

Vector :

Exploitability : 3.9 / Impact : 3.6

Attack Vector NETWORK

Attack Complexity LOW

Privileges Required NONE

User Interaction NONE

Confidentiality Impact NONE

Integrity Impact NONE

Availability Impact HIGH

Scope UNCHANGED

References

Link	Resource
https://git.kernel.org/stable/c/263680d314eaaa27334f486d86c9fe7d19f50c8a
https://git.kernel.org/stable/c/36e010bb865fbaa1202fe9bcce3fd486d6db7606	Patch
https://git.kernel.org/stable/c/89bb430f621124af39bb31763c4a8b504c9651e2	Patch
https://git.kernel.org/stable/c/9a7abce6e8c0e2145b346a6d4abf0d9655e9b0e8	Patch
https://git.kernel.org/stable/c/a1d2bab4d53368a526c97aba92671dd71814f95a	Patch

Configurations

Configuration 1 (hide)

OR	cpe:2.3:o:linux:linux_kernel::::::::
	cpe:2.3:o:linux:linux_kernel::::::::
	cpe:2.3:o:linux:linux_kernel::::::::
	cpe:2.3:o:linux:linux_kernel:6.17:rc1::::::
	cpe:2.3:o:linux:linux_kernel:6.17:rc2::::::

History

30 Oct 2026, 13:18

Type	Values Removed	Values Added
References		() https://git.kernel.org/stable/c/263680d314eaaa27334f486d86c9fe7d19f50c8a -

19 Oct 2026, 21:10

Type	Values Removed	Values Added
Summary		(es) En el kernel de Linux, la siguiente vulnerabilidad ha sido resuelta: ksmbd: corrección de fuga de refcount que causa que el recurso no sea liberado Cuando ksmbd_conn_releasing(opinfo->conn) devuelve verdadero, el refcount no se decrementaba correctamente, causando una fuga de refcount que impide que el contador llegue a cero y que la memoria sea liberada.

Information

Published : 2025-09-05 18:15

Updated : 2026-10-30 13:18

NVD link : CVE-2025-39720

Mitre link : CVE-2025-39720

CVE.ORG link : CVE-2025-39720

JSON object : View

Products Affected

linux

linux_kernel

CWE

NVD-CWE-Other

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