CVE-2026-64558

A flaw was found in the Linux kernel, specifically within the s390/pkey component. This vulnerability occurs because the pkeypckmo handler function does not explicitly check the length of the target buffer. If the generated output data exceeds the provided buffer's length, the handler function...

CVE-2026-64558

The CVE affects the Linux kernel s390/pkey component. The vulnerability was due to an missing length check in the pkey_pckmo handler of the key_to_protkey() function, allowing a local attacker to trigger a denial of service if generated output exceeds the target buffer. The issue has been resolve...

CVE-2026-64558

In the Linux kernel, the following vulnerability has been resolved: s390/pkey: Check length in pkeypckmo handler implementation Explicitly check the length of the target buffer in the pkeypckmo implementation of the keytoprotkey handler function. The handler function fails, if the generated outpu...

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 pkeypckmo handler implementation Explicitly check the length of the target buffer in the pkeypckmo implementation of the keytoprotkey handler function. The handler function fails, if the generated outpu...