"value":"In the Linux kernel, the following vulnerability has been resolved:\n\ndrm/msm/dpu: cleanup FB if dpu_format_populate_layout fails\n\nIf the dpu_format_populate_layout() fails, then FB is prepared, but not\ncleaned up. This ends up leaking the pin_count on the GEM object and\ncauses a splat during DRM file closure:\n\nmsm_obj->pin_count\nWARNING: CPU: 2 PID: 569 at drivers/gpu/drm/msm/msm_gem.c:121 update_lru_locked+0xc4/0xcc\n[...]\nCall trace:\n update_lru_locked+0xc4/0xcc\n put_pages+0xac/0x100\n msm_gem_free_object+0x138/0x180\n drm_gem_object_free+0x1c/0x30\n drm_gem_object_handle_put_unlocked+0x108/0x10c\n drm_gem_object_release_handle+0x58/0x70\n idr_for_each+0x68/0xec\n drm_gem_release+0x28/0x40\n drm_file_free+0x174/0x234\n drm_release+0xb0/0x160\n __fput+0xc0/0x2c8\n __fput_sync+0x50/0x5c\n __arm64_sys_close+0x38/0x7c\n invoke_syscall+0x48/0x118\n el0_svc_common.constprop.0+0x40/0xe0\n do_el0_svc+0x1c/0x28\n el0_svc+0x4c/0x120\n el0t_64_sync_handler+0x100/0x12c\n el0t_64_sync+0x190/0x194\nirq event stamp: 129818\nhardirqs last enabled at (129817): [<ffffa5f6d953fcc0>] console_unlock+0x118/0x124\nhardirqs last disabled at (129818): [<ffffa5f6da7dcf04>] el1_dbg+0x24/0x8c\nsoftirqs last enabled at (129808): [<ffffa5f6d94afc18>] handle_softirqs+0x4c8/0x4e8\nsoftirqs last disabled at (129785): [<ffffa5f6d94105e4>] __do_softirq+0x14/0x20\n\nPatchwork: https://patchwork.freedesktop.org/patch/600714/"
"value":"En el kernel de Linux, se ha resuelto la siguiente vulnerabilidad: drm/msm/dpu: limpiar FB si dpu_format_populate_layout falla Si dpu_format_populate_layout() falla, entonces FB se prepara, pero no se limpia. Esto termina filtrando el pin_count en el objeto GEM y provoca un splat durante el cierre del archivo DRM: msm_obj->pin_count ADVERTENCIA: CPU: 2 PID: 569 en drivers/gpu/drm/msm/msm_gem.c:121 update_lru_locked+0xc4/0xcc [...] Rastreo de llamadas: update_lru_locked+0xc4/0xcc put_pages+0xac/0x100 msm_gem_free_object+0x138/0x180 drm_gem_object_free+0x1c/0x30 drm_gem_object_handle_put_unlocked+0x108/0x10c drm_gem_object_release_handle+0x58/0x70 idr_for_each+0x68/0xec drm_gem_release+0x28/0x40 drm_file_free+0x174/0x234 drm_release+0xb0/0x160 __fput+0xc0/0x2c8 __fput_sync+0x50/0x5c __arm64_sys_close+0x38/0x7c anybody_syscall+0x48/0x118 el0_svc_common.constprop.0+0x40/0xe0 do_el0_svc+0x1c/0x28 el0_svc+0x4c/0x120 el0t_64_sync_handler+0x100/0x12c el0t_64_sync+0x190/0x194 marca de evento irq: 129818 hardirqs habilitados por \u00faltima vez en (129817): [] console_unlock+0x118/0x124 hardirqs deshabilitados por \u00faltima vez en (129818): [] el1_dbg+0x24/0x8c softirqs habilitados por \u00faltima vez en (129808): [] handle_softirqs+0x4c8/0x4e8 softirqs deshabilitados por \u00faltima vez en (129785): [] __do_softirq+0x14/0x20 Patchwork: https://patchwork.freedesktop.org/patch/600714/"