CVE-2026-80771
Full vulnerability record from the local CVENow database.
Description
In the Linux kernel, the following vulnerability has been resolved: HID: nintendo: register input device after capabilities are set input_register_device() exposes the device to userspace immediately. In joycon_input_create() it was called before joycon_config_rumble() configures the FF_RUMBLE capability and the memless force-feedback device, so a concurrent EVIOCSFF could dereference a NULL dev->ff. Registering early also means the initial udev event lacks button and axis information, which can make input managers ignore the device. Move input_register_device() to the end of joycon_input_create(), after all capabilities, the IMU input device and the force-feedback callbacks have been configured.
Severity
Not scored
CVSS score
Not available
Vulnerability status
Received
Source identifier
416baaa9-dc9f-4396-8d5f-8c081fb06d67
Published
2026-09-04 16:18:02.620000
Last modified
2026-10-30 13:20:11.607000
View original CVE JSON
{
"id": "CVE-2026-80771",
"sourceIdentifier": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
"published": "2026-09-04T16:18:02.620",
"lastModified": "2026-10-30T13:20:11.607",
"vulnStatus": "Received",
"cveTags": [],
"descriptions": [
{
"lang": "en",
"value": "In the Linux kernel, the following vulnerability has been resolved:\n\nHID: nintendo: register input device after capabilities are set\n\ninput_register_device() exposes the device to userspace immediately.\nIn joycon_input_create() it was called before joycon_config_rumble()\nconfigures the FF_RUMBLE capability and the memless force-feedback\ndevice, so a concurrent EVIOCSFF could dereference a NULL dev->ff.\n\nRegistering early also means the initial udev event lacks button and\naxis information, which can make input managers ignore the device.\n\nMove input_register_device() to the end of joycon_input_create(), after\nall capabilities, the IMU input device and the force-feedback callbacks\nhave been configured."
}
],
"affected": [
{
"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
"affectedData": [
{
"vendor": "Linux",
"product": "Linux",
"defaultStatus": "unaffected",
"programFiles": [
"drivers/hid/hid-nintendo.c"
],
"repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
"versions": [
{
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"programFiles": [
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],
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{
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{
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{
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{
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},
{
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},
{
"version": "7.2.1",
"lessThanOrEqual": "7.2.*",
"versionType": "semver",
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},
{
"version": "7.3",
"lessThanOrEqual": "*",
"versionType": "original_commit_for_fix",
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}
]
}
]
}
],
"metrics": {},
"references": [
{
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}