Linux Kernel: SPI mpc52xx Controller Deregistration Timing Flaw
CVE-2026-46200 Published on May 28, 2026
spi: mpc52xx: fix controller deregistration
In the Linux kernel, the following vulnerability has been resolved:
spi: mpc52xx: fix controller deregistration
Make sure to deregister the controller before disabling and releasing
underlying resources like interrupts and gpios during driver unbind.
Products Associated with CVE-2026-46200
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Affected Versions
Linux:- Version 42bbb70980f3720b0ae6da6af862af0e95a04351 and below a3669f678d0ee8b686d3eea4c0ed9817c9374945 is affected.
- Version 42bbb70980f3720b0ae6da6af862af0e95a04351 and below 28f28a0f4e327f792c230493a0ea00389ff68ff5 is affected.
- Version 42bbb70980f3720b0ae6da6af862af0e95a04351 and below 7fea80d93bfd34051b2ac1cec07766c87d8d28be is affected.
- Version 42bbb70980f3720b0ae6da6af862af0e95a04351 and below 0f997fdae819a8c2cc83bd4ff7d935ad76c727c9 is affected.
- Version 2.6.33 is affected.
- Before 2.6.33 is unaffected.
- Version 6.12.90, <= 6.12.* is unaffected.
- Version 6.18.32, <= 6.18.* is unaffected.
- Version 7.0.9, <= 7.0.* is unaffected.
- Version 7.1, <= * is unaffected.
Exploit Probability
EPSS
0.13%
Percentile
2.71%
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.