Question 1

What is CVE-2026-64559 — CVE-2026-64559?

Accepted Answer

In the Linux kernel, the following vulnerability has been resolved: s390/pkey: Check length in PKEY_VERIFYPROTK ioctl Explicitly check the buffer length request structure provided by user-space and fail, if it exceeds the buffer size.

Question 2

What is the authoritative source for CVE-2026-64559?

Accepted Answer

CVE-2026-64559 (CVE-2026-64559) is catalogued in NVD + CISA KEV + FIRST EPSS and curated for EU compliance use cases by SQUR.

CVE-2026-64559CVE-2026-64559

Description

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