CVE-2026-64558 — s390/pkey: Check length in pkey_pckmo handler implementation
In the Linux kernel, the following vulnerability has been resolved: s390/pkey: Check length in pkey_pckmo handler implementation Explicitly check the length of the target buff…
Published: 2026-07-29 · CVSS: 7.8 · CVSS 3.1
In the Linux kernel, the following vulnerability has been resolved: s390/pkey: Check length in pkey_pckmo handler implementation Explicitly check the length of the target buffer in the pkey_pckmo implementation of the key_to_protkey() handler function. The handler function fails, if the generated output data exceeds the length of the provided target buffer.
Source: CVE Program · Revision 8b16575c39f1e1810c5e863010da073d2d3285e7