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Vulnerability record · CVE-2026-46203 · published 28 May 2026

CVE-2026-46203: Linux kernel out-of-bounds read vulnerability

Linux · Linux Kernel

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.

7.1 CVSS 3.1 High EPSS 0.17% · top 94.8% CWE-125 · Out-of-bounds read
7.1CVSS 3.1 base score
0.17%EPSS exploitation probability, 30 days
NoNot in CISA KEV
1Affected product versions listed by NVD
4References
19 Jun 2026Last modified by NVD

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.

CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:H

Affected products

1 vulnerable configurations from NVD's CPE data, grouped by vendor and product.

References

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

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Source: NIST National Vulnerability Database (record CVE-2026-46203), CISA KEV, FIRST EPSS (scores of 2026-09-26). This page is refreshed as NVD updates the record.