CVE-2025-21944

In the Linux kernel, the following vulnerability has been resolved: ksmbd: fix bug on trap in smb2_lock If lock count is greater than 1, flags could be old value. It should be checked with flags of smb_lock, not flags. It will cause bug-on trap from locks_free_lock in error handling routine.

CVSS v3 5.5 MEDIUM

5.5^/10

CVSS v3 : MEDIUM

Vector :

Exploitability : 1.8 / Impact : 3.6

Attack Vector LOCAL

Attack Complexity LOW

Privileges Required LOW

User Interaction NONE

Confidentiality Impact NONE

Integrity Impact NONE

Availability Impact HIGH

Scope UNCHANGED

References

Link	Resource
https://git.kernel.org/stable/c/11e0e74e14f1832a95092f2c98ed3b99f57797ee	Patch
https://git.kernel.org/stable/c/2b70e3ac79eacbdf32571f7af48dd81cdd957ca8	Patch
https://git.kernel.org/stable/c/8994f0ce8259f812b4f4a681d8298c6ff682efaa	Patch
https://git.kernel.org/stable/c/dbcd7fdd86f77529210fe8978154a81cd479844c	Patch
https://git.kernel.org/stable/c/e26e2d2e15daf1ab33e0135caf2304a0cfa2744b	Patch
https://lists.debian.org/debian-lts-announce/2025/05/msg00045.html

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::::::::
	cpe:2.3:o:linux:linux_kernel:6.14:rc1::::::
	cpe:2.3:o:linux:linux_kernel:6.14:rc2::::::
	cpe:2.3:o:linux:linux_kernel:6.14:rc3::::::
	cpe:2.3:o:linux:linux_kernel:6.14:rc4::::::
	cpe:2.3:o:linux:linux_kernel:6.14:rc5::::::

History

No history.

Information

Published : 2025-04-01 16:15

Updated : 2025-11-03 20:17

NVD link : CVE-2025-21944

Mitre link : CVE-2025-21944

CVE.ORG link : CVE-2025-21944

JSON object : View

Products Affected

linux

linux_kernel

CWE

CWE-667

Improper Locking

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