{"id":"CVE-2024-50292","summary":"ASoC: stm32: spdifrx: fix dma channel release in stm32_spdifrx_remove","details":"In the Linux kernel, the following vulnerability has been resolved:\n\nASoC: stm32: spdifrx: fix dma channel release in stm32_spdifrx_remove\n\nIn case of error when requesting ctrl_chan DMA channel, ctrl_chan is not\nnull. So the release of the dma channel leads to the following issue:\n[    4.879000] st,stm32-spdifrx 500d0000.audio-controller:\ndma_request_slave_channel error -19\n[    4.888975] Unable to handle kernel NULL pointer dereference\nat virtual address 000000000000003d\n[...]\n[    5.096577] Call trace:\n[    5.099099]  dma_release_channel+0x24/0x100\n[    5.103235]  stm32_spdifrx_remove+0x24/0x60 [snd_soc_stm32_spdifrx]\n[    5.109494]  stm32_spdifrx_probe+0x320/0x4c4 [snd_soc_stm32_spdifrx]\n\nTo avoid this issue, release channel only if the pointer is valid.","modified":"2026-04-02T12:21:23.023295Z","published":"2024-11-19T01:30:38.036Z","related":["SUSE-SU-2024:4314-1","SUSE-SU-2024:4315-1","SUSE-SU-2024:4316-1","SUSE-SU-2024:4318-1","SUSE-SU-2024:4364-1","SUSE-SU-2024:4376-1","SUSE-SU-2024:4387-1","SUSE-SU-2025:20163-1","SUSE-SU-2025:20164-1","SUSE-SU-2025:20246-1","SUSE-SU-2025:20247-1","USN-7276-1","USN-7277-1"],"database_specific":{"osv_generated_from":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2024/50xxx/CVE-2024-50292.json","cna_assigner":"Linux"},"references":[{"type":"WEB","url":"https://git.kernel.org/stable/c/0d75f887aabd80cf37ea48d28f159afa7850ea28"},{"type":"WEB","url":"https://git.kernel.org/stable/c/22ae9321054cf7f36c537702af133659f51a0b88"},{"type":"WEB","url":"https://git.kernel.org/stable/c/23bdbd1ef3e063e03d3c50c15a591b005ebbae39"},{"type":"WEB","url":"https://git.kernel.org/stable/c/3a977b554f668382dfba31fd62e4cce4fe5643db"},{"type":"WEB","url":"https://git.kernel.org/stable/c/4f1d74f74752eab8af6b8b28797dc6490d57374c"},{"type":"WEB","url":"https://git.kernel.org/stable/c/9bb4af400c386374ab1047df44c508512c08c31f"},{"type":"WEB","url":"https://lists.debian.org/debian-lts-announce/2025/01/msg00001.html"},{"type":"WEB","url":"https://lists.debian.org/debian-lts-announce/2025/03/msg00002.html"},{"type":"ADVISORY","url":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2024/50xxx/CVE-2024-50292.json"},{"type":"ADVISORY","url":"https://nvd.nist.gov/vuln/detail/CVE-2024-50292"},{"type":"PACKAGE","url":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git"}],"affected":[{"ranges":[{"type":"GIT","repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","events":[{"introduced":"794df9448edb55978e50372f083aeedade1b2844"},{"fixed":"3a977b554f668382dfba31fd62e4cce4fe5643db"},{"fixed":"0d75f887aabd80cf37ea48d28f159afa7850ea28"},{"fixed":"4f1d74f74752eab8af6b8b28797dc6490d57374c"},{"fixed":"23bdbd1ef3e063e03d3c50c15a591b005ebbae39"},{"fixed":"22ae9321054cf7f36c537702af133659f51a0b88"},{"fixed":"9bb4af400c386374ab1047df44c508512c08c31f"}]}],"database_specific":{"source":"https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2024-50292.json"}}],"schema_version":"1.7.5","severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H"}]}