GHSA-4PG4-5MFG-2P8V
Vulnerability from github – Published: 2026-10-06 09:31 – Updated: 2026-10-06 09:31In the Linux kernel, the following vulnerability has been resolved:
Input: synaptics-rmi4 - fix GPF in suspend and resume when unbound
Transport drivers (such as rmi_i2c and rmi_spi) invoke rmi_driver_suspend() and rmi_driver_resume() on their child rmi_dev device during system power management events. However, transport drivers are fully registered and operational even if the physical RMI driver failed to bind or probe the rmi_dev device.
When rmi_driver_suspend() or rmi_driver_resume() is called on an unbound rmi_dev, dev_get_drvdata() returns NULL. Calling rmi_disable_irq() or rmi_enable_irq() without driver data attached causes a NULL pointer dereference and General Protection Fault when attempting to lock data->enabled_mutex.
Fix this by checking if driver data is attached to rmi_dev in rmi_driver_suspend() and rmi_driver_resume(), exiting early if no driver data is present.
{
"affected": [],
"aliases": [
"CVE-2026-98202"
],
"database_specific": {
"cwe_ids": [],
"github_reviewed": false,
"github_reviewed_at": null,
"nvd_published_at": "2026-10-06T09:18:06Z",
"severity": null
},
"details": "In the Linux kernel, the following vulnerability has been resolved:\n\nInput: synaptics-rmi4 - fix GPF in suspend and resume when unbound\n\nTransport drivers (such as rmi_i2c and rmi_spi) invoke\nrmi_driver_suspend() and rmi_driver_resume() on their child rmi_dev\ndevice during system power management events. However, transport drivers\nare fully registered and operational even if the physical RMI driver\nfailed to bind or probe the rmi_dev device.\n\nWhen rmi_driver_suspend() or rmi_driver_resume() is called on an unbound\nrmi_dev, dev_get_drvdata() returns NULL. Calling rmi_disable_irq() or\nrmi_enable_irq() without driver data attached causes a NULL pointer\ndereference and General Protection Fault when attempting to lock\ndata-\u003eenabled_mutex.\n\nFix this by checking if driver data is attached to rmi_dev in\nrmi_driver_suspend() and rmi_driver_resume(), exiting early if\nno driver data is present.",
"id": "GHSA-4pg4-5mfg-2p8v",
"modified": "2026-10-06T09:31:30Z",
"published": "2026-10-06T09:31:30Z",
"references": [
{
"type": "ADVISORY",
"url": "https://nvd.nist.gov/vuln/detail/CVE-2026-98202"
},
{
"type": "WEB",
"url": "https://git.kernel.org/stable/c/30366f507ce3e408caf7f7375bb343df54b9a4f9"
},
{
"type": "WEB",
"url": "https://git.kernel.org/stable/c/7a3d7c68aa36f68e2a4824da4782c0e5d7c4eba4"
},
{
"type": "WEB",
"url": "https://git.kernel.org/stable/c/84145a4a1dc58f8959811913c5f61f3235dd9f6c"
},
{
"type": "WEB",
"url": "https://git.kernel.org/stable/c/942b06a19252908d0f952c0590caf20e47f88252"
},
{
"type": "WEB",
"url": "https://git.kernel.org/stable/c/e2b6703465c1ce43edb91c1626604b7092b3c431"
},
{
"type": "WEB",
"url": "https://git.kernel.org/stable/c/fa1713dc3d43d028d6cb66e5659d9d7e83b73362"
},
{
"type": "WEB",
"url": "https://git.kernel.org/stable/c/fafca210631d8c2d4311bdfccc5ec46b9fe65977"
},
{
"type": "WEB",
"url": "https://git.kernel.org/stable/c/fe10579b6dc3f0dac61e51e1797cacbba5039ac2"
}
],
"schema_version": "1.4.0",
"severity": []
}
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