CVE-2026-46180

In the Linux kernel, the following vulnerability has been resolved: wifi: brcmfmac: Fix potential use-after-free issue when stopping watchdog task Watchdog task might end between send_sig() and kthread_stop() calls, what results in the use-after-free issue. Fix this by increasing watchdog task reference count before calling send_sig() and dropping it by switching to kthread_stop_put().

CVSS v3 7.8 HIGH

7.8^/10

CVSS v3 : HIGH

Vector :

Exploitability : 1.8 / Impact : 5.9

Attack Vector LOCAL

Attack Complexity LOW

Privileges Required LOW

User Interaction NONE

Confidentiality Impact HIGH

Integrity Impact HIGH

Availability Impact HIGH

Scope UNCHANGED

References

Link	Resource
https://git.kernel.org/stable/c/658d2e46c2e9a8eb9b80c5e803ce3c89885b3366	Patch
https://git.kernel.org/stable/c/908b92231e1ded53e43fcfad5e0704d83e1b803c	Patch
https://git.kernel.org/stable/c/a21f735fb1017ef89c6f9dbf4d799513b4e7bd5a
https://git.kernel.org/stable/c/c623b63580880cc742255eaed3d79804c1b91143	Patch
https://git.kernel.org/stable/c/d16827cb1d3936f7627d0da6044483f743ebde03	Patch
https://git.kernel.org/stable/c/d616bb10de79e5c2bd8a24230a1128aeaf715615
https://git.kernel.org/stable/c/df2e90d6a9955510f24f1dada78cfc439fd9fa88
https://git.kernel.org/stable/c/ed4168d1a50fef5be8eca947fbbf05a28507d265	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::::::::
	cpe:2.3:o:linux:linux_kernel:7.1:rc1::::::
	cpe:2.3:o:linux:linux_kernel:7.1:rc2::::::

History

No history.

Information

Published : 2026-05-28 10:16

Updated : 2026-06-19 13:16

NVD link : CVE-2026-46180

Mitre link : CVE-2026-46180

CVE.ORG link : CVE-2026-46180

JSON object : View

Products Affected

linux

linux_kernel

CWE

CWE-416

Use After Free

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