FKIE_CVE-2026-23202

Vulnerability from fkie_nvd - Published: 2026-02-14 17:15 - Updated: 2026-03-19 16:35
Severity ?
5.5 (Medium) - CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
Summary
In the Linux kernel, the following vulnerability has been resolved: spi: tegra210-quad: Protect curr_xfer in tegra_qspi_combined_seq_xfer The curr_xfer field is read by the IRQ handler without holding the lock to check if a transfer is in progress. When clearing curr_xfer in the combined sequence transfer loop, protect it with the spinlock to prevent a race with the interrupt handler. Protect the curr_xfer clearing at the exit path of tegra_qspi_combined_seq_xfer() with the spinlock to prevent a race with the interrupt handler that reads this field. Without this protection, the IRQ handler could read a partially updated curr_xfer value, leading to NULL pointer dereference or use-after-free.
References
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/3bc293d5b56502068481478842f57b3d96e432c7Patch
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/6fd446178a610a48e80e5c5b487b0707cd01daacPatch
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/712cde8d916889e282727cdf304a43683adf899ePatch
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/762e2ce71c8f0238e9eaf05d14da803d9a24422fPatch
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/9fa4262a80f751d14a6a39d2c03f57db68da2618Patch
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/bf4528ab28e2bf112c3a2cdef44fd13f007781cdPatch
Impacted products
Vendor Product Version
linux linux_kernel *
linux linux_kernel *
linux linux_kernel *
linux linux_kernel *
linux linux_kernel *
linux linux_kernel *
linux linux_kernel 6.19
linux linux_kernel 6.19
linux linux_kernel 6.19
linux linux_kernel 6.19
linux linux_kernel 6.19
linux linux_kernel 6.19
linux linux_kernel 6.19
linux linux_kernel 6.19
To clipboard 

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      "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nspi: tegra210-quad: Protect curr_xfer in tegra_qspi_combined_seq_xfer\n\nThe curr_xfer field is read by the IRQ handler without holding the lock\nto check if a transfer is in progress. When clearing curr_xfer in the\ncombined sequence transfer loop, protect it with the spinlock to prevent\na race with the interrupt handler.\n\nProtect the curr_xfer clearing at the exit path of\ntegra_qspi_combined_seq_xfer() with the spinlock to prevent a race\nwith the interrupt handler that reads this field.\n\nWithout this protection, the IRQ handler could read a partially updated\ncurr_xfer value, leading to NULL pointer dereference or use-after-free."
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      "lang": "es",
      "value": "En el kernel de Linux, la siguiente vulnerabilidad ha sido resuelta:\n\nspi: tegra210-quad: Proteger curr_xfer en tegra_qspi_combined_seq_xfer\n\nEl campo curr_xfer es le\u00eddo por el manejador IRQ sin mantener el bloqueo para verificar si una transferencia est\u00e1 en curso. Al limpiar curr_xfer en el bucle de transferencia de secuencia combinada, protegerlo con el spinlock para evitar una condici\u00f3n de carrera con el manejador de interrupciones.\n\nProteger la limpieza de curr_xfer en la ruta de salida de tegra_qspi_combined_seq_xfer() con el spinlock para evitar una condici\u00f3n de carrera con el manejador de interrupciones que lee este campo.\n\nSin esta protecci\u00f3n, el manejador IRQ podr\u00eda leer un valor curr_xfer parcialmente actualizado, lo que llevar\u00eda a una desreferencia de puntero NULL o uso despu\u00e9s de liberaci\u00f3n."
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  "id": "CVE-2026-23202",
  "lastModified": "2026-03-19T16:35:07.930",
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          "attackVector": "LOCAL",
          "availabilityImpact": "HIGH",
          "baseScore": 5.5,
          "baseSeverity": "MEDIUM",
          "confidentialityImpact": "NONE",
          "integrityImpact": "NONE",
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          "scope": "UNCHANGED",
          "userInteraction": "NONE",
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        "impactScore": 3.6,
        "source": "nvd@nist.gov",
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  "published": "2026-02-14T17:15:58.050",
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