Linux Kernel SPI tegra210-Quad curr_xfer Race Leading to Null Deref
CVE-2026-23202 Published on February 14, 2026
spi: tegra210-quad: Protect curr_xfer in tegra_qspi_combined_seq_xfer
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.
Products Associated with CVE-2026-23202
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Affected Versions
Linux:- Version 88db8bb7ed1bb474618acdf05ebd4f0758d244e2 and below 9fa4262a80f751d14a6a39d2c03f57db68da2618 is affected.
- Version 83309dd551cfd60a5a1a98d9cab19f435b44d46d and below 762e2ce71c8f0238e9eaf05d14da803d9a24422f is affected.
- Version c934e40246da2c5726d14e94719c514e30840df8 and below 712cde8d916889e282727cdf304a43683adf899e is affected.
- Version 551060efb156c50fe33799038ba8145418cfdeef and below 6fd446178a610a48e80e5c5b487b0707cd01daac is affected.
- Version 01bbf25c767219b14c3235bfa85906b8d2cb8fbc and below 3bc293d5b56502068481478842f57b3d96e432c7 is affected.
- Version b4e002d8a7cee3b1d70efad0e222567f92a73000 and below bf4528ab28e2bf112c3a2cdef44fd13f007781cd is affected.
- Version bb0c58be84f907285af45657c1d4847b960a12bf is affected.
- Version 5.15.198 and below 5.15.200 is affected.
- Version 6.1.160 and below 6.1.163 is affected.
- Version 6.6.120 and below 6.6.124 is affected.
- Version 6.12.63 and below 6.12.70 is affected.
- Version 6.18.2 and below 6.18.10 is affected.
Exploit Probability
EPSS (Exploit Prediction Scoring System) scores estimate the probability that a vulnerability will be exploited in the wild within the next 30 days. The percentile shows you how this score compares to all other vulnerabilities.