CVE-2022-49483
Published: Feb 26, 2025
Modified: May 11, 2026
Description
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/
| Vendor | Product | Versions |
|---|---|---|
Linux | Linux | affected f25f656608e3a54ac3e0747be415cf3d4a69cef8 - < a7ca30c3a8b2e8bda65f2b922d382ac056be8aa4affected f25f656608e3a54ac3e0747be415cf3d4a69cef8 - < a800701429313149afde18d98821554fbfcb3164affected f25f656608e3a54ac3e0747be415cf3d4a69cef8 - < 01013ba9bbddc62f7d011163cebfd7ed06bb698b |
Linux | Linux | affected 5.16unaffected 0 - < 5.16unaffected 5.17.14 - <= 5.17.*unaffected 5.18.3 - <= 5.18.*unaffected 5.19 - <= * |
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