CVE-2026-46180

  1. OpenCVE
  2. Vulnerabilities (CVE)
  3. 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().

7.8 /10

CVSS v3 : HIGH

V3 Legend

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/c623b63580880cc742255eaed3d79804c1b91143 Patch
https://git.kernel.org/stable/c/d16827cb1d3936f7627d0da6044483f743ebde03 Patch
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

11 Jun 2026, 03:00

Type Values Removed Values Added
References () https://git.kernel.org/stable/c/658d2e46c2e9a8eb9b80c5e803ce3c89885b3366 - () https://git.kernel.org/stable/c/658d2e46c2e9a8eb9b80c5e803ce3c89885b3366 - Patch
References () https://git.kernel.org/stable/c/908b92231e1ded53e43fcfad5e0704d83e1b803c - () https://git.kernel.org/stable/c/908b92231e1ded53e43fcfad5e0704d83e1b803c - Patch
References () https://git.kernel.org/stable/c/c623b63580880cc742255eaed3d79804c1b91143 - () https://git.kernel.org/stable/c/c623b63580880cc742255eaed3d79804c1b91143 - Patch
References () https://git.kernel.org/stable/c/d16827cb1d3936f7627d0da6044483f743ebde03 - () https://git.kernel.org/stable/c/d16827cb1d3936f7627d0da6044483f743ebde03 - Patch
References () https://git.kernel.org/stable/c/ed4168d1a50fef5be8eca947fbbf05a28507d265 - () https://git.kernel.org/stable/c/ed4168d1a50fef5be8eca947fbbf05a28507d265 - Patch
CVSS v2 : unknown
v3 : unknown 		v2 : unknown
v3 : 7.8
First Time Linux linux Kernel
Linux
CWE CWE-416
CPE cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*
cpe:2.3:o:linux:linux_kernel:7.1:rc2:*:*:*:*:*:*
cpe:2.3:o:linux:linux_kernel:7.1:rc1:*:*:*:*:*:*

28 May 2026, 10:16

Type Values Removed Values Added
New CVE
Information

Published : 2026-05-28 10:16

Updated : 2026-06-11 03:00

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