VULNERABILITY INTELLIGENCE
CVE-2026-64559
CVSS score7.8 HIGH
EPSS probability0.12%
CISA KEVNot currently listed
Published2026-07-29
Last modified2026-10-19
CVSS vectorCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Description
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.
Weakness classification
- 134c704f-9b21-4f2e-91b3-4a467353bcc0: CWE-125