Vulnerability Details CVE-2022-49483
In the Linux kernel, the following vulnerability has been resolved:
drm/msm/disp/dpu1: avoid clearing hw interrupts if hw_intr is null during drm uninit
If edp modeset init is failed due to panel being not ready and
probe defers during drm bind, avoid clearing irqs and dereference
hw_intr when hw_intr is null.
BUG: Unable to handle kernel NULL pointer dereference at virtual address 0000000000000000
Call trace:
dpu_core_irq_uninstall+0x50/0xb0
dpu_irq_uninstall+0x18/0x24
msm_drm_uninit+0xd8/0x16c
msm_drm_bind+0x580/0x5fc
try_to_bring_up_master+0x168/0x1c0
__component_add+0xb4/0x178
component_add+0x1c/0x28
dp_display_probe+0x38c/0x400
platform_probe+0xb0/0xd0
really_probe+0xcc/0x2c8
__driver_probe_device+0xbc/0xe8
driver_probe_device+0x48/0xf0
__device_attach_driver+0xa0/0xc8
bus_for_each_drv+0x8c/0xd8
__device_attach+0xc4/0x150
device_initial_probe+0x1c/0x28
Changes in V2:
- Update commit message and coreect fixes tag.
Patchwork: https://patchwork.freedesktop.org/patch/484430/
Exploit prediction scoring system (EPSS) score
EPSS Score 0.0
EPSS Ranking 7.2%
CVSS Severity
CVSS v3 Score 5.5
Products affected by CVE-2022-49483
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cpe:2.3:o:linux:linux_kernel:5.16
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cpe:2.3:o:linux:linux_kernel:5.16.0
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cpe:2.3:o:linux:linux_kernel:5.16.1
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cpe:2.3:o:linux:linux_kernel:5.16.10
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cpe:2.3:o:linux:linux_kernel:5.16.11
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cpe:2.3:o:linux:linux_kernel:5.16.12
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cpe:2.3:o:linux:linux_kernel:5.16.13
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cpe:2.3:o:linux:linux_kernel:5.16.14
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cpe:2.3:o:linux:linux_kernel:5.16.15
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cpe:2.3:o:linux:linux_kernel:5.16.16
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cpe:2.3:o:linux:linux_kernel:5.16.17
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cpe:2.3:o:linux:linux_kernel:5.16.18
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cpe:2.3:o:linux:linux_kernel:5.16.19
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cpe:2.3:o:linux:linux_kernel:5.16.2
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cpe:2.3:o:linux:linux_kernel:5.16.20
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cpe:2.3:o:linux:linux_kernel:5.16.3
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cpe:2.3:o:linux:linux_kernel:5.16.4
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cpe:2.3:o:linux:linux_kernel:5.16.5
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cpe:2.3:o:linux:linux_kernel:5.16.6
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cpe:2.3:o:linux:linux_kernel:5.16.62
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cpe:2.3:o:linux:linux_kernel:5.16.7
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cpe:2.3:o:linux:linux_kernel:5.16.8
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cpe:2.3:o:linux:linux_kernel:5.16.9
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cpe:2.3:o:linux:linux_kernel:5.17
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cpe:2.3:o:linux:linux_kernel:5.17.1
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cpe:2.3:o:linux:linux_kernel:5.17.10
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cpe:2.3:o:linux:linux_kernel:5.17.11
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cpe:2.3:o:linux:linux_kernel:5.17.12
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cpe:2.3:o:linux:linux_kernel:5.17.13
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cpe:2.3:o:linux:linux_kernel:5.17.2
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cpe:2.3:o:linux:linux_kernel:5.17.3
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cpe:2.3:o:linux:linux_kernel:5.17.4
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cpe:2.3:o:linux:linux_kernel:5.17.5
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cpe:2.3:o:linux:linux_kernel:5.17.6
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cpe:2.3:o:linux:linux_kernel:5.17.7
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cpe:2.3:o:linux:linux_kernel:5.17.8
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cpe:2.3:o:linux:linux_kernel:5.17.9
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cpe:2.3:o:linux:linux_kernel:5.18
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cpe:2.3:o:linux:linux_kernel:5.18.1
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cpe:2.3:o:linux:linux_kernel:5.18.2