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CVE-2026-31485: Linux

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CVSS

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Вероятност да бъде експлоатирана в следващите 30 дни (EPSS)

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Време до експлоатация

    Описание

    Оригинално описание

    In the Linux kernel, the following vulnerability has been resolved: spi: spi-fsl-lpspi: fix teardown order issue (UAF) There is a teardown order issue in the driver. The SPI controller is registered using devm_spi_register_controller(), which delays unregistration of the SPI controller until after the fsl_lpspi_remove() function returns. As the fsl_lpspi_remove() function synchronously tears down the DMA channels, a running SPI transfer triggers the following NULL pointer dereference due to use after free: | fsl_lpspi 42550000.spi: I/O Error in DMA RX | Unable to handle kernel NULL pointer dereference at virtual address 0000000000000000 [...] | Call trace: | fsl_lpspi_dma_transfer+0x260/0x340 [spi_fsl_lpspi] | fsl_lpspi_transfer_one+0x198/0x448 [spi_fsl_lpspi] | spi_transfer_one_message+0x49c/0x7c8 | __spi_pump_transfer_message+0x120/0x420 | __spi_sync+0x2c4/0x520 | spi_sync+0x34/0x60 | spidev_message+0x20c/0x378 [spidev] | spidev_ioctl+0x398/0x750 [spidev] [...] Switch from devm_spi_register_controller() to spi_register_controller() in fsl_lpspi_probe() and add the corresponding spi_unregister_controller() in fsl_lpspi_remove().

    Засегнати продукти

    • Linux Linux: 5314987de5e5f5e38436ef4a69328bc472bbd63e преди fbe6f40caeebb0b1ea9dfedc259124c1d3cda7a6; 5314987de5e5f5e38436ef4a69328bc472bbd63e преди ca4483f36ac1b62e69f8b182c5b8f059e0abecfb; 5314987de5e5f5e38436ef4a69328bc472bbd63e преди e3fd54f8b0317fbccc103961ddd660f2a32dcf0b; 5314987de5e5f5e38436ef4a69328bc472bbd63e преди adb25339b66112393fd6892ceff926765feb5b86; 5314987de5e5f5e38436ef4a69328bc472bbd63e преди d5d01f24bc6fbde40b4e567ef9160194b61267bc; 5314987de5e5f5e38436ef4a69328bc472bbd63e преди e89e2b97253c124d37bf88e96e5e8ce5c3aeeec3; 5314987de5e5f5e38436ef4a69328bc472bbd63e преди 15650dfbaeeb14bcaaf053b93cf631db8d465300; 5314987de5e5f5e38436ef4a69328bc472bbd63e преди b341c1176f2e001b3adf0b47154fc31589f7410e
    • Linux Linux: 4.10; преди 4.10; 5.10.253 до 5.10.*; 5.15.203 до 5.15.*; 6.1.168 до 6.1.*; 6.6.131 до 6.6.*; 6.12.80 до 6.12.*; 6.18.21 до 6.18.*; 6.19.11 до 6.19.*; от 7.0 нататък
    • Siemens: още 3 продукта, добавени от Siemens

      SIMATIC S7-1500 CPU 1518-4 PN/DP MFP, SIMATIC S7-1500 CPU 1518F-4 PN/DP MFP, SIPLUS S7-1500 CPU 1518-4 PN/DP MFP

    История

    • 22 април 2026 Публикувано

    Други уязвимости в Linux Linux

    Първоизточници

    CVE-2026-31485: Linux | freedomonline.bg