2025-06-18 12:04:02 +00:00

25 lines
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{
"id": "CVE-2022-49976",
"sourceIdentifier": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
"published": "2025-06-18T11:15:25.007",
"lastModified": "2025-06-18T11:15:25.007",
"vulnStatus": "Received",
"cveTags": [],
"descriptions": [
{
"lang": "en",
"value": "In the Linux kernel, the following vulnerability has been resolved:\n\nplatform/x86: x86-android-tablets: Fix broken touchscreen on Chuwi Hi8 with Windows BIOS\n\nThe x86-android-tablets handling for the Chuwi Hi8 is only necessary with\nthe Android BIOS and it is causing problems with the Windows BIOS version.\n\nSpecifically when trying to register the already present touchscreen\nx86_acpi_irq_helper_get() calls acpi_unregister_gsi(), this breaks\nthe working of the touchscreen and also leads to an oops:\n\n[ 14.248946] ------------[ cut here ]------------\n[ 14.248954] remove_proc_entry: removing non-empty directory 'irq/75', leaking at least 'MSSL0001:00'\n[ 14.248983] WARNING: CPU: 3 PID: 440 at fs/proc/generic.c:718 remove_proc_entry\n...\n[ 14.249293] unregister_irq_proc+0xe0/0x100\n[ 14.249305] free_desc+0x29/0x70\n[ 14.249312] irq_free_descs+0x4b/0x80\n[ 14.249320] mp_unmap_irq+0x5c/0x60\n[ 14.249329] acpi_unregister_gsi_ioapic+0x2a/0x40\n[ 14.249338] x86_acpi_irq_helper_get+0x4b/0x190 [x86_android_tablets]\n[ 14.249355] x86_android_tablet_init+0x178/0xe34 [x86_android_tablets]\n\nAdd an init callback for the Chuwi Hi8, which detects when the Windows BIOS\nis in use and exits with -ENODEV in that case, fixing this."
}
],
"metrics": {},
"references": [
{
"url": "https://git.kernel.org/stable/c/2986c51540ed50ac654ffb5a772e546c02628c91",
"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"
},
{
"url": "https://git.kernel.org/stable/c/c77b724cddfb8ac1291a60e3e68937e62cbfc5e0",
"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"
}
]
}