CVE-2026-43215

In the Linux kernel, the following vulnerability has been resolved: cifs: Fix locking usage for tcon fields We used to use the cifs_tcp_ses_lock to protect a lot of objects that are not just the server, ses or tcon lists. We later introduced srv_lock, ses_lock and tc_lock to protect fields within the corresponding structs. This was done to provide a more granular protection and avoid unnecessary serialization. There were still a couple of uses of cifs_tcp_ses_lock to provide tcon fields. In this patch, I've replaced them with tc_lock.

CVSS v3 8.8 HIGH

8.8^/10

CVSS v3 : HIGH

Vector :

Exploitability : 2.8 / Impact : 5.9

Attack Vector NETWORK

Attack Complexity LOW

Privileges Required NONE

User Interaction REQUIRED

Confidentiality Impact HIGH

Integrity Impact HIGH

Availability Impact HIGH

Scope UNCHANGED

References

Link	Resource
https://git.kernel.org/stable/c/3969db6b22e3d90d8c5f22ac1a7fe0350a94c136	Patch
https://git.kernel.org/stable/c/601dd3b79769b38d30b693c40afdb2a4b7edf9d0	Patch
https://git.kernel.org/stable/c/8c59eeeeffa1524ef57e173a89a1a3ff539888d5	Patch
https://git.kernel.org/stable/c/953953abb66e52c224057ab91e404284fefeab62	Patch
https://git.kernel.org/stable/c/96c4af418586ee9a6aab61738644366426e05316	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::::::::

History

No history.

Information

Published : 2026-05-06 12:16

Updated : 2026-06-17 10:49

NVD link : CVE-2026-43215

Mitre link : CVE-2026-43215

CVE.ORG link : CVE-2026-43215

JSON object : View

Products Affected

linux

linux_kernel

CWE

CWE-667

Improper Locking

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