Vulnerability in Linux

CVE-2026-64559

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.

Affected products

  • Linux — versions 8fcc231ce3bea12b78bb94b280cdc03cff342435, 6.12, 0

References