CVE-2024-57800

In the Linux kernel, the following vulnerability has been resolved:<br /> <br /> ALSA: memalloc: prefer dma_mapping_error() over explicit address checking<br /> <br /> With CONFIG_DMA_API_DEBUG enabled, the following warning is observed:<br /> <br /> DMA-API: snd_hda_intel 0000:03:00.1: device driver failed to check map error[device address=0x00000000ffff0000] [size=20480 bytes] [mapped as single]<br /> WARNING: CPU: 28 PID: 2255 at kernel/dma/debug.c:1036 check_unmap+0x1408/0x2430<br /> CPU: 28 UID: 42 PID: 2255 Comm: wireplumber Tainted: G W L 6.12.0-10-133577cad6bf48e5a7848c4338124081393bfe8a+ #759<br /> debug_dma_unmap_page+0xe9/0xf0<br /> snd_dma_wc_free+0x85/0x130 [snd_pcm]<br /> snd_pcm_lib_free_pages+0x1e3/0x440 [snd_pcm]<br /> snd_pcm_common_ioctl+0x1c9a/0x2960 [snd_pcm]<br /> snd_pcm_ioctl+0x6a/0xc0 [snd_pcm]<br /> ...<br /> <br /> Check for returned DMA addresses using specialized dma_mapping_error()<br /> helper which is generally recommended for this purpose by<br /> Documentation/core-api/dma-api.rst.