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CVE-2025-40356spi: rockchip-sfc: Fix DMA-API usage

Description

In the Linux kernel, the following vulnerability has been resolved: spi: rockchip-sfc: Fix DMA-API usage Use DMA-API dma_map_single() call for getting the DMA address of the transfer buffer instead of hacking with virt_to_phys(). This fixes the following DMA-API debug warning: ------------[ cut here ]------------ DMA-API: rockchip-sfc fe300000.spi: device driver tries to sync DMA memory it has not allocated [device address=0x000000000cf70000] [size=288 bytes] WARNING: kernel/dma/debug.c:1106 at check_sync+0x1d8/0x690, CPU#2: systemd-udevd/151 Modules linked in: ... Hardware name: Hardkernel ODROID-M1 (DT) pstate: 604000c9 (nZCv daIF +PAN -UAO -TCO -DIT -SSBS BTYPE=--) pc : check_sync+0x1d8/0x690 lr : check_sync+0x1d8/0x690 .. Call trace: check_sync+0x1d8/0x690 (P) debug_dma_sync_single_for_cpu+0x84/0x8c __dma_sync_single_for_cpu+0x88/0x234 rockchip_sfc_exec_mem_op+0x4a0/0x798 [spi_rockchip_sfc] spi_mem_exec_op+0x408/0x498 spi_nor_read_data+0x170/0x184 spi_nor_read_sfdp+0x74/0xe4 spi_nor_parse_sfdp+0x120/0x11f0 spi_nor_sfdp_init_params_deprecated+0x3c/0x8c spi_nor_scan+0x690/0xf88 spi_nor_probe+0xe4/0x304 spi_mem_probe+0x6c/0xa8 spi_probe+0x94/0xd4 really_probe+0xbc/0x298 ...

Timeline

  1. ID reserved

    By Linux

  2. · 8 months later

    Published

  3. · 8 months later

    Record updated

Changes after publication (a new score, a public exploit, EPSS crossing 1, 10 or 50 %, leaving KEV) are kept since November 2026; earlier ones are not known.

Scores

CVSS scores of CVE-2025-40356, by who scored it
Scored byCVSSScoreVector
LinuxCNA (assigner)3.1High7.8CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
NVDNVD · Deferred3.1High7.8CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
EPSS (exploitation in 30 days)
0.14% · top 96% of all CVEs (14 Nov 2026)
Loading the EPSS history…

The list uses the assigner's score when there is one, then CISA's, then NVD's: High 7.8.

Affected products

  • Linux · Linux

    • affected b69386fcbc6066fb4885667743ab4d4967d561b8 – < 22810d4cb0e8a7d51b24527e73beac60afc1c693
    • affected b69386fcbc6066fb4885667743ab4d4967d561b8 – < ee795e82e10197c070efd380dc9615c73dffad6c

  • Linux · Linux

    • affected 6.14
    • unaffected < 6.14
    • unaffected 6.17.6 – ≤ 6.17.*
    • unaffected 6.18 – ≤ *

References

References2

Sources

The same CVE in the primary databases and aggregators, to check against.

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Record last updated .