CVE-2022-49976

EUVD-2022-55256
In the Linux kernel, the following vulnerability has been resolved:

platform/x86: x86-android-tablets: Fix broken touchscreen on Chuwi Hi8 with Windows BIOS

The x86-android-tablets handling for the Chuwi Hi8 is only necessary with
the Android BIOS and it is causing problems with the Windows BIOS version.

Specifically when trying to register the already present touchscreen
x86_acpi_irq_helper_get() calls acpi_unregister_gsi(), this breaks
the working of the touchscreen and also leads to an oops:

[   14.248946] ------------[ cut here ]------------
[   14.248954] remove_proc_entry: removing non-empty directory 'irq/75', leaking at least 'MSSL0001:00'
[   14.248983] WARNING: CPU: 3 PID: 440 at fs/proc/generic.c:718 remove_proc_entry
...
[   14.249293]  unregister_irq_proc+0xe0/0x100
[   14.249305]  free_desc+0x29/0x70
[   14.249312]  irq_free_descs+0x4b/0x80
[   14.249320]  mp_unmap_irq+0x5c/0x60
[   14.249329]  acpi_unregister_gsi_ioapic+0x2a/0x40
[   14.249338]  x86_acpi_irq_helper_get+0x4b/0x190 [x86_android_tablets]
[   14.249355]  x86_android_tablet_init+0x178/0xe34 [x86_android_tablets]

Add an init callback for the Chuwi Hi8, which detects when the Windows BIOS
is in use and exits with -ENODEV in that case, fixing this.
ProviderTypeBase ScoreAtk. VectorAtk. ComplexityPriv. RequiredVector
NISTPrimary
5.5 MEDIUM
LOCAL
LOW
LOW
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
Base Score
CVSS 3.x
EPSS Score
Percentile: 5%
Affected Products (NVD)
VendorProductVersion
linuxlinux_kernel
5.17.1 ≤
𝑥
< 5.19.8
linuxlinux_kernel
5.17
linuxlinux_kernel
5.17:rc3
linuxlinux_kernel
5.17:rc4
linuxlinux_kernel
5.17:rc5
linuxlinux_kernel
5.17:rc6
linuxlinux_kernel
5.17:rc7
linuxlinux_kernel
5.17:rc8
linuxlinux_kernel
6.0:rc1
linuxlinux_kernel
6.0:rc2
linuxlinux_kernel
6.0:rc3
𝑥
= Vulnerable software versions
Debian logo
Debian Releases
Debian Product
Codename
linux
bookworm
6.1.137-1
fixed
bookworm (security)
6.1.140-1
fixed
bullseye
5.10.223-1
not-affected
bullseye (security)
5.10.237-1
fixed
sid
6.12.32-1
fixed
trixie
6.12.32-1
fixed
trixie (security)
6.12.31-1
fixed
Ubuntu logo
Ubuntu Releases
Ubuntu Product
Codename
linux
bionic
needs-triage
focal
needs-triage
jammy
needs-triage
noble
needs-triage
oracular
needs-triage
plucky
needs-triage
trusty
needs-triage
xenial
needs-triage
linux-allwinner-5.19
jammy
ignored
noble
dne
oracular
dne
plucky
dne
linux-aws
bionic
needs-triage
focal
needs-triage
jammy
needs-triage
noble
needs-triage
oracular
needs-triage
plucky
needs-triage
trusty
needs-triage
xenial
needs-triage
linux-aws-5.0
bionic
ignored
jammy
dne
noble
dne
oracular
dne
plucky
dne
linux-aws-5.11
focal
ignored
jammy
dne
noble
dne
oracular
dne
plucky
dne
linux-aws-5.13
focal
ignored
jammy
dne
noble
dne
oracular
dne
plucky
dne
linux-aws-5.15
focal
needs-triage
jammy
dne
noble
dne
oracular
dne
plucky
dne
linux-aws-5.19
jammy
ignored
noble
dne
oracular
dne
plucky
dne
linux-aws-5.3
bionic
ignored
jammy
dne
noble
dne
oracular
dne
plucky
dne
linux-aws-5.4
bionic
needs-triage
jammy
dne
noble
dne
oracular
dne
plucky
dne
linux-aws-5.8
focal
ignored
jammy
dne
noble
dne
oracular
dne
plucky
dne
linux-aws-6.2
jammy
ignored
noble
dne
oracular
dne
plucky
dne
linux-aws-6.5
jammy
ignored
noble
dne
oracular
dne
plucky
dne
linux-aws-6.8
jammy
needs-triage
noble
dne
oracular
dne
plucky
dne
linux-aws-fips
bionic
needs-triage
focal
needs-triage
jammy
needs-triage
noble
dne
oracular
dne
plucky
dne
linux-aws-hwe
jammy
dne
noble
dne
oracular
dne
plucky
dne
xenial
needs-triage
linux-azure
bionic
ignored
focal
needs-triage
jammy
needs-triage
noble
needs-triage
oracular
needs-triage
plucky
needs-triage
trusty
needs-triage
xenial
needs-triage
linux-azure-4.15
bionic
needs-triage
jammy
dne
noble
dne
oracular
dne
plucky
dne
linux-azure-5.11
focal
ignored
jammy
dne
noble
dne
oracular
dne
plucky
dne
linux-azure-5.13
focal
ignored
jammy
dne
noble
dne
oracular
dne
plucky
dne
linux-azure-5.15
focal
needs-triage
jammy
dne
noble
dne
oracular
dne
plucky
dne
linux-azure-5.19
jammy
ignored
noble
dne
oracular
dne
plucky
dne
linux-azure-5.3
bionic
ignored
jammy
dne
noble
dne
oracular
dne
plucky
dne
linux-azure-5.4
bionic
needs-triage
jammy
dne
noble
dne
oracular
dne
plucky
dne
linux-azure-5.8
focal
ignored
jammy
dne
noble
dne
oracular
dne
plucky
dne
linux-azure-6.11
jammy
dne
noble
needs-triage
oracular
dne
plucky
dne
linux-azure-6.2
jammy
ignored
noble
dne
oracular
dne
plucky
dne
linux-azure-6.5
jammy
ignored
noble
dne
oracular
dne
plucky
dne
linux-azure-6.8
jammy
needs-triage
noble
dne
oracular
dne
plucky
dne
linux-azure-edge
bionic
ignored
jammy
dne
noble
dne
oracular
dne
plucky
dne
linux-azure-fde
focal
ignored
jammy
needs-triage
noble
dne
oracular
dne
plucky
dne
linux-azure-fde-5.15
focal
needs-triage
jammy
dne
noble
dne
oracular
dne
plucky
dne
linux-azure-fde-5.19
jammy
ignored
noble
dne
oracular
dne
plucky
dne
linux-azure-fde-6.2
jammy
ignored
noble
dne
oracular
dne
plucky
dne
linux-azure-fips
bionic
needs-triage
focal
needs-triage
jammy
needs-triage
noble
dne
oracular
dne
plucky
dne
linux-azure-nvidia
jammy
dne
noble
needs-triage
oracular
dne
plucky
dne
linux-bluefield
focal
needs-triage
jammy
dne
noble
dne
oracular
dne
plucky
dne
linux-fips
bionic
needs-triage
focal
needs-triage
jammy
needs-triage
noble
dne
oracular
dne
plucky
dne
xenial
needs-triage
linux-gcp
bionic
ignored
focal
needs-triage
jammy
needs-triage
noble
needs-triage
oracular
needs-triage
plucky
needs-triage
xenial
needs-triage
linux-gcp-4.15
bionic
needs-triage
jammy
dne
noble
dne
oracular
dne
plucky
dne
linux-gcp-5.11
focal
ignored
jammy
dne
noble
dne
oracular
dne
plucky
dne
linux-gcp-5.13
focal
ignored
jammy
dne
noble
dne
oracular
dne
plucky
dne
linux-gcp-5.15
focal
needs-triage
jammy
dne
noble
dne
oracular
dne
plucky
dne
linux-gcp-5.19
jammy
ignored
noble
dne
oracular
dne
plucky
dne
linux-gcp-5.3
bionic
ignored
jammy
dne
noble
dne
oracular
dne
plucky
dne
linux-gcp-5.4
bionic
needs-triage
jammy
dne
noble
dne
oracular
dne
plucky
dne
linux-gcp-5.8
focal
ignored
jammy
dne
noble
dne
oracular
dne
plucky
dne
linux-gcp-6.11
jammy
dne
noble
needs-triage
oracular
dne
plucky
dne
linux-gcp-6.2
jammy
ignored
noble
dne
oracular
dne
plucky
dne
linux-gcp-6.5
jammy
ignored
noble
dne
oracular
dne
plucky
dne
linux-gcp-6.8
jammy
needs-triage
noble
dne
oracular
dne
plucky
dne
linux-gcp-fips
bionic
needs-triage
focal
needs-triage
jammy
needs-triage
noble
dne
oracular
dne
plucky
dne
linux-gke
focal
ignored
jammy
needs-triage
noble
needs-triage
oracular
dne
plucky
dne
linux-gke-4.15
bionic
ignored
jammy
dne
noble
dne
oracular
dne
plucky
dne
linux-gke-5.15
focal
ignored
jammy
dne
noble
dne
oracular
dne
plucky
dne
linux-gke-5.4
bionic
ignored
jammy
dne
noble
dne
oracular
dne
plucky
dne
linux-gkeop
focal
ignored
jammy
needs-triage
noble
needs-triage
oracular
dne
plucky
dne
linux-gkeop-5.15
focal
ignored
jammy
dne
noble
dne
oracular
dne
plucky
dne
linux-gkeop-5.4
bionic
ignored
jammy
dne
noble
dne
oracular
dne
plucky
dne
linux-hwe
bionic
ignored
jammy
dne
noble
dne
oracular
dne
plucky
dne
xenial
needs-triage
linux-hwe-5.11
focal
ignored
jammy
dne
noble
dne
oracular
dne
plucky
dne
linux-hwe-5.13
focal
ignored
jammy
dne
noble
dne
oracular
dne
plucky
dne
linux-hwe-5.15
focal
needs-triage
jammy
dne
noble
dne
oracular
dne
plucky
dne
linux-hwe-5.19
jammy
ignored
noble
dne
oracular
dne
plucky
dne
linux-hwe-5.4
bionic
needs-triage
jammy
dne
noble
dne
oracular
dne
plucky
dne
linux-hwe-5.8
focal
ignored
jammy
dne
noble
dne
oracular
dne
plucky
dne
linux-hwe-6.11
jammy
dne
noble
needs-triage
oracular
dne
plucky
dne
linux-hwe-6.2
jammy
ignored
noble
dne
oracular
dne
plucky
dne
linux-hwe-6.5
jammy
ignored
noble
dne
oracular
dne
plucky
dne
linux-hwe-6.8
jammy
needs-triage
noble
dne
oracular
dne
plucky
dne
linux-hwe-edge
bionic
ignored
jammy
dne
noble
dne
oracular
dne
plucky
dne
xenial
ignored
linux-ibm
focal
needs-triage
jammy
needs-triage
noble
needs-triage
oracular
dne
plucky
dne
linux-ibm-5.15
focal
needs-triage
jammy
dne
noble
dne
oracular
dne
plucky
dne
linux-ibm-5.4
bionic
needs-triage
jammy
dne
noble
dne
oracular
dne
plucky
dne
linux-intel-5.13
focal
ignored
jammy
dne
noble
dne
oracular
dne
plucky
dne
linux-intel-iot-realtime
jammy
needs-triage
noble
dne
oracular
dne
plucky
dne
linux-intel-iotg
jammy
needs-triage
noble
dne
oracular
dne
plucky
dne
linux-intel-iotg-5.15
focal
needs-triage
jammy
dne
noble
dne
oracular
dne
plucky
dne
linux-iot
focal
needs-triage
jammy
dne
noble
dne
oracular
dne
plucky
dne
linux-kvm
bionic
needs-triage
focal
needs-triage
jammy
needs-triage
noble
dne
oracular
dne
plucky
dne
xenial
needs-triage
linux-lowlatency
jammy
needs-triage
noble
needs-triage
oracular
needs-triage
plucky
dne
linux-lowlatency-hwe-5.15
focal
needs-triage
jammy
dne
noble
dne
oracular
dne
plucky
dne
linux-lowlatency-hwe-5.19
jammy
ignored
noble
dne
oracular
dne
plucky
dne
linux-lowlatency-hwe-6.11
jammy
dne
noble
needs-triage
oracular
dne
plucky
dne
linux-lowlatency-hwe-6.2
jammy
ignored
noble
dne
oracular
dne
plucky
dne
linux-lowlatency-hwe-6.5
jammy
ignored
noble
dne
oracular
dne
plucky
dne
linux-lowlatency-hwe-6.8
jammy
needs-triage
noble
dne
oracular
dne
plucky
dne
linux-lts-xenial
jammy
dne
noble
dne
oracular
dne
plucky
dne
trusty
needs-triage
linux-nvidia
jammy
needs-triage
noble
needs-triage
oracular
dne
plucky
dne
linux-nvidia-6.2
jammy
ignored
noble
dne
oracular
dne
plucky
dne
linux-nvidia-6.5
jammy
ignored
noble
dne
oracular
dne
plucky
dne
linux-nvidia-6.8
jammy
needs-triage
noble
dne
oracular
dne
plucky
dne
linux-nvidia-lowlatency
jammy
dne
noble
needs-triage
oracular
dne
plucky
dne
linux-nvidia-tegra
jammy
needs-triage
noble
needs-triage
oracular
dne
plucky
dne
linux-nvidia-tegra-5.15
focal
needs-triage
jammy
dne
noble
dne
oracular
dne
plucky
dne
linux-nvidia-tegra-igx
jammy
needs-triage
noble
dne
oracular
dne
plucky
dne
linux-oem
bionic
ignored
jammy
dne
noble
dne
oracular
dne
plucky
dne
linux-oem-5.10
focal
ignored
jammy
dne
noble
dne
oracular
dne
plucky
dne
linux-oem-5.13
focal
ignored
jammy
dne
noble
dne
oracular
dne
plucky
dne
linux-oem-5.14
focal
ignored
jammy
dne
noble
dne
oracular
dne
plucky
dne
linux-oem-5.17
jammy
ignored
noble
dne
oracular
dne
plucky
dne
linux-oem-5.6
focal
ignored
jammy
dne
noble
dne
oracular
dne
plucky
dne
linux-oem-6.0
jammy
ignored
noble
dne
oracular
dne
plucky
dne
linux-oem-6.1
jammy
ignored
noble
dne
oracular
dne
plucky
dne
linux-oem-6.11
jammy
dne
noble
needs-triage
oracular
dne
plucky
dne
linux-oem-6.14
jammy
dne
noble
needs-triage
oracular
dne
plucky
dne
linux-oem-6.5
jammy
ignored
noble
dne
oracular
dne
plucky
dne
linux-oem-6.8
jammy
dne
noble
needs-triage
oracular
dne
plucky
dne
linux-oracle
bionic
needs-triage
focal
needs-triage
jammy
needs-triage
noble
needs-triage
oracular
needs-triage
plucky
needs-triage
xenial
needs-triage
linux-oracle-5.0
bionic
ignored
jammy
dne
noble
dne
oracular
dne
plucky
dne
linux-oracle-5.11
focal
ignored
jammy
dne
noble
dne
oracular
dne
plucky
dne
linux-oracle-5.13
focal
ignored
jammy
dne
noble
dne
oracular
dne
plucky
dne
linux-oracle-5.15
focal
needs-triage
jammy
dne
noble
dne
oracular
dne
plucky
dne
linux-oracle-5.3
bionic
ignored
jammy
dne
noble
dne
oracular
dne
plucky
dne
linux-oracle-5.4
bionic
needs-triage
jammy
dne
noble
dne
oracular
dne
plucky
dne
linux-oracle-5.8
focal
ignored
jammy
dne
noble
dne
oracular
dne
plucky
dne
linux-oracle-6.5
jammy
ignored
noble
dne
oracular
dne
plucky
dne
linux-oracle-6.8
jammy
needs-triage
noble
dne
oracular
dne
plucky
dne
linux-raspi
focal
needs-triage
jammy
needs-triage
noble
needs-triage
oracular
needs-triage
plucky
needs-triage
linux-raspi-5.4
bionic
needs-triage
jammy
dne
noble
dne
oracular
dne
plucky
dne
linux-raspi-realtime
jammy
dne
noble
needs-triage
oracular
dne
plucky
dne
linux-raspi2
focal
ignored
jammy
dne
noble
dne
oracular
dne
plucky
dne
linux-realtime
jammy
needs-triage
noble
needs-triage
oracular
needs-triage
plucky
needs-triage
linux-riscv
focal
ignored
jammy
ignored
noble
needs-triage
oracular
needs-triage
plucky
needs-triage
linux-riscv-5.11
focal
ignored
jammy
dne
noble
dne
oracular
dne
plucky
dne
linux-riscv-5.15
focal
needs-triage
jammy
dne
noble
dne
oracular
dne
plucky
dne
linux-riscv-5.19
jammy
ignored
noble
dne
oracular
dne
plucky
dne
linux-riscv-5.8
focal
ignored
jammy
dne
noble
dne
oracular
dne
plucky
dne
linux-riscv-6.5
jammy
ignored
noble
dne
oracular
dne
plucky
dne
linux-riscv-6.8
jammy
needs-triage
noble
dne
oracular
dne
plucky
dne
linux-starfive-5.19
jammy
ignored
noble
dne
oracular
dne
plucky
dne
linux-starfive-6.2
jammy
ignored
noble
dne
oracular
dne
plucky
dne
linux-starfive-6.5
jammy
ignored
noble
dne
oracular
dne
plucky
dne
linux-xilinx-zynqmp
focal
needs-triage
jammy
needs-triage
noble
dne
oracular
dne
plucky
dne