What is CVE-2026-46203?

CVE-2026-46203 is a high-severity vulnerability in Linux, classified under Out-of-bounds Read. CVSS score: 7.1/10. Published 2026-05-28.

How severe is CVE-2026-46203?

High severity. CVSS v3 base score is 7.1 out of 10.

Out-of-bounds Read in Linux

CVE-2026-46203

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 regi…

Vulnerability class: Buffer Overflow

EPSS: 0.001 (3.0th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 7.1 (High). Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:H.

Affected products

Linux — versions 6.18.36, 0578a6dbfe7514db7134501cf93acc21cf13e479, 7.0.9
Linux Linux_kernel — versions 7.1

Weakness classification (CWE)

CWE-125 — Out-of-bounds Read

References

416baaa9-dc9f-4396-8d5f-8c081fb06d67 (Patch)
416baaa9-dc9f-4396-8d5f-8c081fb06d67 (Patch)
416baaa9-dc9f-4396-8d5f-8c081fb06d67
416baaa9-dc9f-4396-8d5f-8c081fb06d67

Frequently asked questions

What is CVE-2026-46203?: CVE-2026-46203 is a high-severity vulnerability in Linux, classified under Out-of-bounds Read. CVSS score: 7.1/10. Published 2026-05-28.
How severe is CVE-2026-46203?: High severity. CVSS v3 base score is 7.1 out of 10.