CVE-2026-93078

CVE-2026-93078 is a vulnerability in the Linux kernel 's cxl/features subsystem. The function cxlctl_set_feature() sizes its output buffer from the user-supplied fwctl_rpc.out_len without verifying it is large enough to hold the fwctl_rpc_cxl_out header. When out_len is zero, kvzalloc() returns Z...

CVE-2026-93078 cxl/features: Reject Set Features output buffer smaller than the header

In the Linux kernel, the following vulnerability has been resolved: cxl/features: Reject Set Features output buffer smaller than the header cxlctlsetfeature sizes its output buffer from the user's fwctlrpc.outlen but never checks it is large enough to hold even the fwctlrpccxlout header. With...

PT-2026-94876

Name of the Vulnerable Software and Affected Versions Linux kernel affected versions not specified Description An issue exists in the cxlctl set feature function where the output buffer size is determined by the user-provided fwctl rpc.out len without verifying if it is large enough to accommodat...