{"schema_version":"1.9.0","id":"CVE-2022-50378","published":"2025-09-18T13:33:00.694Z","modified":"2026-08-17T03:36:22.642317596Z","related":["SUSE-SU-2025:03615-1","SUSE-SU-2025:3761-1"],"summary":"drm/meson: reorder driver deinit sequence to fix use-after-free bug","details":"In the Linux kernel, the following vulnerability has been resolved:\n\ndrm/meson: reorder driver deinit sequence to fix use-after-free bug\n\nUnloading the driver triggers the following KASAN warning:\n\n[  +0.006275] =============================================================\n[  +0.000029] BUG: KASAN: use-after-free in __list_del_entry_valid+0xe0/0x1a0\n[  +0.000026] Read of size 8 at addr ffff000020c395e0 by task rmmod/2695\n\n[  +0.000019] CPU: 5 PID: 2695 Comm: rmmod Tainted: G         C O      5.19.0-rc6-lrmbkasan+ #1\n[  +0.000013] Hardware name: Hardkernel ODROID-N2Plus (DT)\n[  +0.000008] Call trace:\n[  +0.000007]  dump_backtrace+0x1ec/0x280\n[  +0.000013]  show_stack+0x24/0x80\n[  +0.000008]  dump_stack_lvl+0x98/0xd4\n[  +0.000011]  print_address_description.constprop.0+0x80/0x520\n[  +0.000011]  print_report+0x128/0x260\n[  +0.000007]  kasan_report+0xb8/0xfc\n[  +0.000008]  __asan_report_load8_noabort+0x3c/0x50\n[  +0.000010]  __list_del_entry_valid+0xe0/0x1a0\n[  +0.000009]  drm_atomic_private_obj_fini+0x30/0x200 [drm]\n[  +0.000172]  drm_bridge_detach+0x94/0x260 [drm]\n[  +0.000145]  drm_encoder_cleanup+0xa4/0x290 [drm]\n[  +0.000144]  drm_mode_config_cleanup+0x118/0x740 [drm]\n[  +0.000143]  drm_mode_config_init_release+0x1c/0x2c [drm]\n[  +0.000144]  drm_managed_release+0x170/0x414 [drm]\n[  +0.000142]  drm_dev_put.part.0+0xc0/0x124 [drm]\n[  +0.000143]  drm_dev_put+0x20/0x30 [drm]\n[  +0.000142]  meson_drv_unbind+0x1d8/0x2ac [meson_drm]\n[  +0.000028]  take_down_aggregate_device+0xb0/0x160\n[  +0.000016]  component_del+0x18c/0x360\n[  +0.000009]  meson_dw_hdmi_remove+0x28/0x40 [meson_dw_hdmi]\n[  +0.000015]  platform_remove+0x64/0xb0\n[  +0.000009]  device_remove+0xb8/0x154\n[  +0.000009]  device_release_driver_internal+0x398/0x5b0\n[  +0.000009]  driver_detach+0xac/0x1b0\n[  +0.000009]  bus_remove_driver+0x158/0x29c\n[  +0.000009]  driver_unregister+0x70/0xb0\n[  +0.000008]  platform_driver_unregister+0x20/0x2c\n[  +0.000008]  meson_dw_hdmi_platform_driver_exit+0x1c/0x30 [meson_dw_hdmi]\n[  +0.000012]  __do_sys_delete_module+0x288/0x400\n[  +0.000011]  __arm64_sys_delete_module+0x5c/0x80\n[  +0.000009]  invoke_syscall+0x74/0x260\n[  +0.000009]  el0_svc_common.constprop.0+0xcc/0x260\n[  +0.000009]  do_el0_svc+0x50/0x70\n[  +0.000007]  el0_svc+0x68/0x1a0\n[  +0.000012]  el0t_64_sync_handler+0x11c/0x150\n[  +0.000008]  el0t_64_sync+0x18c/0x190\n\n[  +0.000018] Allocated by task 0:\n[  +0.000007] (stack is not available)\n\n[  +0.000011] Freed by task 2695:\n[  +0.000008]  kasan_save_stack+0x2c/0x5c\n[  +0.000011]  kasan_set_track+0x2c/0x40\n[  +0.000008]  kasan_set_free_info+0x28/0x50\n[  +0.000009]  ____kasan_slab_free+0x128/0x1d4\n[  +0.000008]  __kasan_slab_free+0x18/0x24\n[  +0.000007]  slab_free_freelist_hook+0x108/0x230\n[  +0.000011]  kfree+0x110/0x35c\n[  +0.000008]  release_nodes+0xf0/0x16c\n[  +0.000009]  devres_release_group+0x180/0x270\n[  +0.000008]  component_unbind+0x128/0x1e0\n[  +0.000010]  component_unbind_all+0x1b8/0x264\n[  +0.000009]  meson_drv_unbind+0x1a0/0x2ac [meson_drm]\n[  +0.000025]  take_down_aggregate_device+0xb0/0x160\n[  +0.000009]  component_del+0x18c/0x360\n[  +0.000009]  meson_dw_hdmi_remove+0x28/0x40 [meson_dw_hdmi]\n[  +0.000012]  platform_remove+0x64/0xb0\n[  +0.000008]  device_remove+0xb8/0x154\n[  +0.000009]  device_release_driver_internal+0x398/0x5b0\n[  +0.000009]  driver_detach+0xac/0x1b0\n[  +0.000009]  bus_remove_driver+0x158/0x29c\n[  +0.000008]  driver_unregister+0x70/0xb0\n[  +0.000008]  platform_driver_unregister+0x20/0x2c\n[  +0.000008]  meson_dw_hdmi_platform_driver_exit+0x1c/0x30 [meson_dw_hdmi]\n[  +0.000011]  __do_sys_delete_module+0x288/0x400\n[  +0.000010]  __arm64_sys_delete_module+0x5c/0x80\n[  +0.000008]  invoke_syscall+0x74/0x260\n[  +0.000008]  el0_svc_common.constprop.0+0xcc/0x260\n[  +0.000008]  do_el0_svc+0x50/0x70\n[  +0.000007]  el0_svc+0x68/0x1a0\n[  +0.000009]  el0t_64_sync_handler+0x11c/0x150\n[  +0.000009]  el0t_64_sync+0x18c/0x190\n\n[  +0.000014] The buggy address belongs to the object at ffff000020c39000\n---truncated---","affected":[{"ranges":[{"type":"GIT","repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","events":[{"introduced":"e78ad18ba3658fbc8c63629e034b68d8e51acbf1"},{"fixed":"d76ff04a72f90767455059c8239b06042cd0ed23"},{"fixed":"9190d287f7a6b02b50b510045b0edf448ed68e88"},{"fixed":"9d33348513c36337f91f1991da23f41514d4de39"},{"fixed":"31c519981eb141c7ec39bfd5be25d35f02edb868"}]},{"type":"GIT","repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","events":[{"introduced":"0"},{"last_affected":"2777970add401e92d531a16dda30d84ec0831226"}]},{"type":"GIT","repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","events":[{"introduced":"5.10.4"},{"fixed":"5.11"}]}],"versions":["v5.10","v5.10-rc1","v5.10.3","v5.10.2","v5.10.1","v5.10-rc7","v5.10-rc4","v5.10-rc3","v5.10-rc6","v5.9","v5.10-rc2","v5.10-rc5","v5.9-rc1","v5.9-rc7","v5.9-rc8","v5.9-rc6","v5.9-rc4","v5.9-rc5","v5.9-rc3","v5.9-rc2","v5.8","v5.7","v5.8-rc2","v5.8-rc1","v5.8-rc7","v5.8-rc5","v5.8-rc3","v5.8-rc4","v5.8-rc6","v5.7-rc4","v5.7-rc7","v5.7-rc1","v5.7-rc3","v5.7-rc2","v5.7-rc5","v5.7-rc6","v5.6","v5.6-rc1","v5.6-rc7","v5.6-rc6","v5.6-rc3","v5.6-rc4","v5.6-rc2","v5.6-rc5","v5.5","v5.5-rc5","v5.5-rc7","v5.5-rc2","v5.5-rc1","v5.4","v5.5-rc4","v5.5-rc3","v5.5-rc6","v5.4-rc1","v5.4-rc6","v5.4-rc3","v5.4-rc4","v5.4-rc8","v5.4-rc7","v5.4-rc5","v5.3","v5.4-rc2","v5.3-rc5","v5.3-rc1","v5.3-rc2","v5.3-rc3","v5.3-rc8","v5.3-rc7","v5.3-rc4","v5.2","v5.3-rc6","v5.2-rc2","v5.2-rc7","v5.2-rc4","v5.2-rc1","v5.2-rc5","v5.2-rc6","v5.2-rc3","v5.1","v5.0-rc8","v5.1-rc7","v5.1-rc1","v5.1-rc6","v5.1-rc5","v5.0","v5.1-rc3","v5.1-rc2","v5.1-rc4","v5.0-rc1","v5.0-rc4","v5.0-rc3","v5.0-rc6","v5.0-rc7","v5.0-rc2","v5.0-rc5","v4.20-rc1","v4.19","v4.20","v4.20-rc7","v4.20-rc5","v4.20-rc6","v4.20-rc4","v4.20-rc2","v4.20-rc3","v4.19-rc2","v4.19-rc8","v4.19-rc4","v4.19-rc1","v4.19-rc7","v4.19-rc6","v4.19-rc5","v4.19-rc3","v4.18","v4.18-rc1","v4.18-rc8","v4.18-rc2","v4.18-rc5","v4.18-rc6","v4.18-rc7","v4.17","v4.18-rc3","v4.18-rc4","v4.17-rc1","v4.17-rc2","v4.17-rc7","v4.17-rc3","v4.17-rc4","v4.16","v4.17-rc6","v4.17-rc5","v4.16-rc7","v4.16-rc4","v4.16-rc1","v4.16-rc2","v4.16-rc5","v4.16-rc3","v4.16-rc6","v4.14","v4.15","v4.15-rc1","v4.15-rc4","v4.15-rc9","v4.15-rc8","v4.15-rc7","v4.15-rc3","v4.15-rc2","v4.15-rc5","v4.15-rc6","v4.14-rc1","v4.14-rc7","v4.14-rc3","v4.13","v4.14-rc8","v4.14-rc4","v4.14-rc6","v4.14-rc2","v4.14-rc5","v4.13-rc2","v4.13-rc1","v4.13-rc3","v4.13-rc7","v4.13-rc4","v4.13-rc5","v4.13-rc6","v4.12-rc1","v4.12","v4.12-rc5","v4.12-rc7","v4.12-rc6","v4.12-rc4","v4.12-rc2","v4.12-rc3","v4.11","v4.11-rc1","v4.11-rc6","v4.11-rc8","v4.11-rc7","v4.11-rc3","v4.11-rc5","v4.11-rc2","v4.11-rc4","v4.10","v4.9","v4.10-rc8","v4.10-rc3","v4.10-rc1","v4.10-rc7","v4.10-rc6","v4.10-rc2","v4.10-rc5","v4.10-rc4","v4.9-rc7","v4.9-rc6","v4.9-rc8","v4.9-rc1","v4.9-rc5","v4.9-rc3","v4.9-rc4","v4.9-rc2","v4.8","v4.8-rc8","v4.8-rc2","v4.8-rc1","v4.8-rc7","v4.8-rc6","v4.8-rc5","v4.8-rc4","v4.8-rc3","v4.7","v4.7-rc4","v4.7-rc2","v4.7-rc1","v4.7-rc7","v4.7-rc6","v4.7-rc3","v4.7-rc5","v4.6","v4.6-rc1","v4.6-rc6","v4.6-rc4","v4.6-rc7","v4.6-rc5","v4.5-rc4","v4.6-rc2","v4.6-rc3","v4.5","v4.4","v4.5-rc1","v4.5-rc6","v4.5-rc2","v4.5-rc7","v4.5-rc5","v4.5-rc3","v4.4-rc1","v4.4-rc2","v4.4-rc8","v4.4-rc3","v4.4-rc7","v4.4-rc5","v4.4-rc6","v4.4-rc4","v4.3","v4.3-rc1","v4.3-rc6","v4.3-rc4","v4.3-rc2","v4.3-rc7","v4.3-rc5","v4.3-rc3","v4.2","v4.2-rc2","v4.2-rc1","v4.2-rc8","v4.2-rc4","v4.2-rc6","v4.2-rc7","v4.0-rc5","v4.2-rc5","v4.2-rc3","v4.1-rc2","v4.1","v4.1-rc1","v4.1-rc8","v4.1-rc7","v4.1-rc6","v4.1-rc3","v4.1-rc4","v4.0","v4.1-rc5","v4.0-rc1","v4.0-rc2","v4.0-rc7","v4.0-rc3","v4.0-rc6","v4.0-rc4","v3.19","v3.19-rc7","v3.19-rc5","v3.19-rc1","v3.19-rc6","v3.19-rc4","v3.18-rc1","v3.19-rc3","v3.19-rc2","v3.18","v3.18-rc7","v3.18-rc6","v3.18-rc2","v3.18-rc3","v3.18-rc4","v3.18-rc5","v3.17","v3.17-rc1","v3.17-rc7","v3.17-rc2","v3.17-rc4","v3.16","v3.17-rc5","v3.17-rc6","v3.17-rc3","v3.16-rc7","v3.16-rc1","v3.16-rc3","v3.16-rc5","v3.16-rc6","v3.16-rc2","v3.16-rc4","v3.13","v3.15","v3.15-rc5","v3.15-rc8","v3.15-rc1","v3.15-rc6","v3.15-rc3","v3.15-rc7","v3.15-rc2","v3.15-rc4","v3.14","v3.14-rc4","v3.14-rc8","v3.14-rc7","v3.14-rc6","v3.14-rc1","v3.14-rc2","v3.14-rc5","v3.14-rc3","v3.13-rc6","v3.13-rc8","v3.12","v3.13-rc7","v3.13-rc1","v3.13-rc4","v3.13-rc3","v3.13-rc5","v3.13-rc2","v3.12-rc7","v3.12-rc3","v3.12-rc6","v3.12-rc1","v3.12-rc5","v3.11","v3.12-rc2","v3.12-rc4","v3.11-rc7","v3.11-rc2","v3.11-rc5","v3.11-rc1","v3.11-rc3","v3.11-rc4","v3.11-rc6","v3.10-rc2","v3.10","v3.10-rc7","v3.10-rc6","v3.10-rc1","v3.10-rc5","v3.10-rc3","v3.10-rc4","v3.9","v3.9-rc2","v3.9-rc7","v3.9-rc8","v3.9-rc3","v3.9-rc6","v3.9-rc5","v3.9-rc4","v3.9-rc1","v3.8","v3.8-rc7","v3.8-rc6","v3.8-rc5","v3.8-rc2","v3.8-rc1","v3.8-rc3","v3.8-rc4","v3.7","v3.7-rc1","v3.6","v3.7-rc6","v3.7-rc7","v3.7-rc3","v3.7-rc8","v3.7-rc2","v3.7-rc4","v3.7-rc5","v3.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/UI:N/S:U/C:H/I:H/A:H"}]}