CVE-2026-64559 — Vulnerability intelligence
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Published:
- CVSS
- 7.8
- CISA KEV
- Not listed; not proof of no exploitation
Original source text (not a translation)
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.