cve-2024-26787
Vulnerability from cvelistv5
Published
2024-04-04 08:20
Modified
2024-12-19 08:47
Severity ?
Summary
In the Linux kernel, the following vulnerability has been resolved: mmc: mmci: stm32: fix DMA API overlapping mappings warning Turning on CONFIG_DMA_API_DEBUG_SG results in the following warning: DMA-API: mmci-pl18x 48220000.mmc: cacheline tracking EEXIST, overlapping mappings aren't supported WARNING: CPU: 1 PID: 51 at kernel/dma/debug.c:568 add_dma_entry+0x234/0x2f4 Modules linked in: CPU: 1 PID: 51 Comm: kworker/1:2 Not tainted 6.1.28 #1 Hardware name: STMicroelectronics STM32MP257F-EV1 Evaluation Board (DT) Workqueue: events_freezable mmc_rescan Call trace: add_dma_entry+0x234/0x2f4 debug_dma_map_sg+0x198/0x350 __dma_map_sg_attrs+0xa0/0x110 dma_map_sg_attrs+0x10/0x2c sdmmc_idma_prep_data+0x80/0xc0 mmci_prep_data+0x38/0x84 mmci_start_data+0x108/0x2dc mmci_request+0xe4/0x190 __mmc_start_request+0x68/0x140 mmc_start_request+0x94/0xc0 mmc_wait_for_req+0x70/0x100 mmc_send_tuning+0x108/0x1ac sdmmc_execute_tuning+0x14c/0x210 mmc_execute_tuning+0x48/0xec mmc_sd_init_uhs_card.part.0+0x208/0x464 mmc_sd_init_card+0x318/0x89c mmc_attach_sd+0xe4/0x180 mmc_rescan+0x244/0x320 DMA API debug brings to light leaking dma-mappings as dma_map_sg and dma_unmap_sg are not correctly balanced. If an error occurs in mmci_cmd_irq function, only mmci_dma_error function is called and as this API is not managed on stm32 variant, dma_unmap_sg is never called in this error path.
References
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/0224cbc53ba82b84affa7619b6d1b1a254bc2c53
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/176e66269f0de327375fc0ea51c12c2f5a97e4c4
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/5ae5060e17a3fc38e54c3e5bd8abd6b1d5bfae7c
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/6b1ba3f9040be5efc4396d86c9752cdc564730be
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/70af82bb9c897faa25a44e4181f36c60312b71ef
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/d610a307225951929b9dff807788439454476f85
af854a3a-2127-422b-91ae-364da2661108https://git.kernel.org/stable/c/0224cbc53ba82b84affa7619b6d1b1a254bc2c53
af854a3a-2127-422b-91ae-364da2661108https://git.kernel.org/stable/c/176e66269f0de327375fc0ea51c12c2f5a97e4c4
af854a3a-2127-422b-91ae-364da2661108https://git.kernel.org/stable/c/5ae5060e17a3fc38e54c3e5bd8abd6b1d5bfae7c
af854a3a-2127-422b-91ae-364da2661108https://git.kernel.org/stable/c/6b1ba3f9040be5efc4396d86c9752cdc564730be
af854a3a-2127-422b-91ae-364da2661108https://git.kernel.org/stable/c/70af82bb9c897faa25a44e4181f36c60312b71ef
af854a3a-2127-422b-91ae-364da2661108https://git.kernel.org/stable/c/d610a307225951929b9dff807788439454476f85
af854a3a-2127-422b-91ae-364da2661108https://lists.debian.org/debian-lts-announce/2024/06/msg00017.html
Impacted products
Vendor Product Version
Linux Linux Version: 4.20
Show details on NVD website

To clipboard 

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}


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