HIGH 7.8 NVD
CVE-2026-64558
In the Linux kernel, the following vulnerability has been resolved: s390/pkey: Check length in pkey_pckmo handler implementation Explicitly check the length o
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.
References
- https://git.kernel.org/stable/c/02028a24e26d85262ab9c8fc4344e1f3503007fc
- https://git.kernel.org/stable/c/1ac287e2af9a9112fe271427ef45eceb26bce8b4
- https://git.kernel.org/stable/c/433e5e70cdc1edf382d28d08a885b22e2b98b7da
- https://git.kernel.org/stable/c/614aa0491c7a190556c2345dddee0b6f5ed90989
This high severity vulnerability with a CVSS score of 7.8 was published on 2026-07-29 via NVD.
vulnfeed aggregates 9166 vulnerabilities from NVD, CISA KEV,
Ubuntu, Debian, Red Hat, Kubernetes, Exploit-DB, OSS-Security, GitHub and OpenStack — updated every 4 hours.