Linux Kernel Cadence QuadSPI: Unclocked Reg Access on Unbind
CVE-2026-46203 Published on May 28, 2026
spi: cadence-quadspi: fix unclocked access on unbind
In the Linux kernel, the following vulnerability has been resolved:
spi: cadence-quadspi: fix unclocked access on unbind
Make sure that the controller is runtime resumed before disabling it
during driver unbind to avoid an unclocked register access.
This issue was flagged by Sashiko when reviewing a controller
deregistration fix.
Products Associated with CVE-2026-46203
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Affected Versions
Linux:- Version 0578a6dbfe7514db7134501cf93acc21cf13e479 and below d67a5311818b3e6481a1e4293c9337ebfee73111 is affected.
- Version 0578a6dbfe7514db7134501cf93acc21cf13e479 and below 233db2cb14db8b1935dda52a6affd97276462b82 is affected.
- Version 6.7 is affected.
- Before 6.7 is unaffected.
- Version 7.0.9, <= 7.0.* is unaffected.
- Version 7.1-rc2, <= * is unaffected.