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CVE-2026-46203

spi: cadence-quadspi: fix unclocked access on unbind

HIGH
7.1
CVSS Score
Published: May 28, 2026 at 09:40 AM UTC
Updated: June 20, 2026 at 03:50 AM UTC
1 product affected across 1 vendorLinux Kernel

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Severity
HIGH7.1
Exploit prediction
EPSS 0.1%

Description

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.

Affected

Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.

Linux Kernel· Linux
95%
6.7 ≤ v < 6.12.946.7 ≤ v < 6.18.366.7 ≤ v < 7.0.96.7 ≤ v < 7.1578a6dbfe7514db7134501cf93acc21cf13e4797.1 rc1
Vendor states this is fixed in 233db2cb14db8b1935dda52a6affd97276462b82 (fixed)
Vendor states this is fixed in 2e7cd62c37f51823c2bb79de1d4d76d0c1678c7e (fixed)
Vendor states this is fixed in 63a9f6012f453578898c9fcc13c8452a8651104e (fixed)
Vendor states this is fixed in d67a5311818b3e6481a1e4293c9337ebfee73111 (fixed)
Vendor states this is fixed in 6.12.94 (unaffected)
Vendor states this is fixed in 6.18.36 (unaffected)
Vendor states this is fixed in 6.7 (unaffected)
Vendor states this is fixed in 7.0.9 (unaffected)
Vendor states this is fixed in 7.1 (unaffected)

Remediation

No guide yet

No remediation guidance has been written for this CVE yet. What the record does show:

Patch and advisory references

References (4)

Patch
Source: cverecord
https://git.kernel.org/stable/c/d67a5311818b3e6481a1e4293c9337ebfee73111
Patch
Source: cverecord
https://git.kernel.org/stable/c/233db2cb14db8b1935dda52a6affd97276462b82
Source: cverecord
https://git.kernel.org/stable/c/2e7cd62c37f51823c2bb79de1d4d76d0c1678c7e
Source: cverecord
https://git.kernel.org/stable/c/63a9f6012f453578898c9fcc13c8452a8651104e

CVSS

7.1HIGH[email protected]
Attack Vector
LOCAL
Complexity
LOW
Privileges
LOW
User Interaction
NONE
Scope
UNCHANGED
Confidentiality
HIGH
Integrity
NONE
Availability
HIGH
Vector?

Quick Info

StatusMODIFIED
CWE
CWE-125

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