{"id":"CVE-2024-26787","revision":null,"records":[{"revision":"559f57b7336743c2b058475465cb4dba","observedAt":"2026-10-23T15:48:27.903+00:00","statement":{"source":"cve-program","id":"CVE-2024-26787","aliases":[],"title":"mmc: mmci: stm32: fix DMA API overlapping mappings warning","description":"In the Linux kernel, the following vulnerability has been resolved:\n\nmmc: mmci: stm32: fix DMA API overlapping mappings warning\n\nTurning on CONFIG_DMA_API_DEBUG_SG results in the following warning:\n\nDMA-API: mmci-pl18x 48220000.mmc: cacheline tracking EEXIST,\noverlapping mappings aren't supported\nWARNING: CPU: 1 PID: 51 at kernel/dma/debug.c:568\nadd_dma_entry+0x234/0x2f4\nModules linked in:\nCPU: 1 PID: 51 Comm: kworker/1:2 Not tainted 6.1.28 #1\nHardware name: STMicroelectronics STM32MP257F-EV1 Evaluation Board (DT)\nWorkqueue: events_freezable mmc_rescan\nCall trace:\nadd_dma_entry+0x234/0x2f4\ndebug_dma_map_sg+0x198/0x350\n__dma_map_sg_attrs+0xa0/0x110\ndma_map_sg_attrs+0x10/0x2c\nsdmmc_idma_prep_data+0x80/0xc0\nmmci_prep_data+0x38/0x84\nmmci_start_data+0x108/0x2dc\nmmci_request+0xe4/0x190\n__mmc_start_request+0x68/0x140\nmmc_start_request+0x94/0xc0\nmmc_wait_for_req+0x70/0x100\nmmc_send_tuning+0x108/0x1ac\nsdmmc_execute_tuning+0x14c/0x210\nmmc_execute_tuning+0x48/0xec\nmmc_sd_init_uhs_card.part.0+0x208/0x464\nmmc_sd_init_card+0x318/0x89c\nmmc_attach_sd+0xe4/0x180\nmmc_rescan+0x244/0x320\n\nDMA API debug brings to light leaking dma-mappings as dma_map_sg and\ndma_unmap_sg are not correctly balanced.\n\nIf an error occurs in mmci_cmd_irq function, only mmci_dma_error\nfunction is called and as this API is not managed on stm32 variant,\ndma_unmap_sg is never called in this error path.","state":0,"publishedAt":"2024-04-04T08:20:19.751+00:00","modifiedAt":"2026-10-15T00:38:35.598+00:00","affected":[{"ecosystem":"Vendor product","name":"Linux","ranges":[],"versions":[],"rawVersionEvidence":"{\n \"product\": \"Linux\",\n \"vendor\": \"Linux\",\n \"defaultStatus\": \"unaffected\",\n \"repo\": \"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git\",\n \"programFiles\": [\n \"drivers/mmc/host/mmci_stm32_sdmmc.c\"\n ],\n \"versions\": [\n {\n \"version\": \"46b723dd867d599420fb640c0eaf2a866ef721d4\",\n \"lessThan\": \"0224cbc53ba82b84affa7619b6d1b1a254bc2c53\",\n \"status\": \"affected\",\n \"versionType\": \"git\"\n },\n {\n \"version\": \"46b723dd867d599420fb640c0eaf2a866ef721d4\",\n \"lessThan\": \"5ae5060e17a3fc38e54c3e5bd8abd6b1d5bfae7c\",\n \"status\": \"affected\",\n \"versionType\": \"git\"\n },\n {\n \"version\": \"46b723dd867d599420fb640c0eaf2a866ef721d4\",\n \"lessThan\": \"70af82bb9c897faa25a44e4181f36c60312b71ef\",\n \"status\": \"affected\",\n \"versionType\": \"git\"\n },\n {\n \"version\": \"46b723dd867d599420fb640c0eaf2a866ef721d4\",\n \"lessThan\": \"176e66269f0de327375fc0ea51c12c2f5a97e4c4\",\n \"status\": \"affected\",\n \"versionType\": \"git\"\n },\n {\n \"version\": \"46b723dd867d599420fb640c0eaf2a866ef721d4\",\n \"lessThan\": \"d610a307225951929b9dff807788439454476f85\",\n \"status\": \"affected\",\n \"versionType\": \"git\"\n },\n {\n \"version\": \"46b723dd867d599420fb640c0eaf2a866ef721d4\",\n \"lessThan\": \"6b1ba3f9040be5efc4396d86c9752cdc564730be\",\n \"status\": \"affected\",\n \"versionType\": \"git\"\n }\n ]\n }"},{"ecosystem":"Vendor product","name":"Linux","ranges":[],"versions":[],"rawVersionEvidence":"{\n \"product\": \"Linux\",\n \"vendor\": \"Linux\",\n \"defaultStatus\": \"affected\",\n \"repo\": \"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git\",\n \"programFiles\": [\n \"drivers/mmc/host/mmci_stm32_sdmmc.c\"\n ],\n \"versions\": [\n {\n \"version\": \"4.20\",\n \"status\": \"affected\"\n },\n {\n \"version\": \"0\",\n \"lessThan\": \"4.20\",\n \"status\": \"unaffected\",\n \"versionType\": \"semver\"\n },\n {\n \"version\": \"5.10.213\",\n \"lessThanOrEqual\": \"5.10.*\",\n \"status\": \"unaffected\",\n \"versionType\": \"semver\"\n },\n {\n \"version\": \"5.15.152\",\n \"lessThanOrEqual\": \"5.15.*\",\n \"status\": \"unaffected\",\n \"versionType\": \"semver\"\n },\n {\n \"version\": \"6.1.81\",\n \"lessThanOrEqual\": \"6.1.*\",\n \"status\": \"unaffected\",\n \"versionType\": \"semver\"\n },\n {\n \"version\": \"6.6.21\",\n \"lessThanOrEqual\": \"6.6.*\",\n \"status\": \"unaffected\",\n \"versionType\": \"semver\"\n },\n {\n \"version\": \"6.7.9\",\n \"lessThanOrEqual\": \"6.7.*\",\n \"status\": \"unaffected\",\n \"versionType\": \"semver\"\n },\n {\n \"version\": \"6.8\",\n \"lessThanOrEqual\": \"*\",\n \"status\": \"unaffected\",\n \"versionType\": \"original_commit_for_fix\"\n }\n ]\n }"}],"metrics":[],"references":["https://git.kernel.org/stable/c/0224cbc53ba82b84affa7619b6d1b1a254bc2c53","https://git.kernel.org/stable/c/5ae5060e17a3fc38e54c3e5bd8abd6b1d5bfae7c","https://git.kernel.org/stable/c/70af82bb9c897faa25a44e4181f36c60312b71ef","https://git.kernel.org/stable/c/176e66269f0de327375fc0ea51c12c2f5a97e4c4","https://git.kernel.org/stable/c/d610a307225951929b9dff807788439454476f85","https://git.kernel.org/stable/c/6b1ba3f9040be5efc4396d86c9752cdc564730be"],"sourceUrl":"https://www.cve.org/CVERecord?id=CVE-2024-26787","license":"CVE Program Terms of Use","key":"cve-program:CVE-2024-26787","identifiers":["CVE-2024-26787"]},"retained":false,"historicalAffected":[]}],"coverage":[{"source":"cisa-kev:global","scope":"Complete CISA KEV catalog; all vendors. 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