linux-oem-5.6: Linux kernel for OEM systems - linux-gke-5.3: Linux kernel for Google Container Engine systems - linux-hwe: Linux hardware enablement kernel - linux-raspi2-5.3: Linux kernel for Raspberry Pi systems - linux: Linux kernel - linux-aws: Linux kernel for Amazon Web Services systems - linux-kvm: Linux kernel for cloud environments - linux-snapdragon: Linux kernel for Qualcomm Snapdragon processors - linux-lts-xenial: Linux hardware enablement kernel from Xenial for Trusty Details: USN-4916-1 fixed vulnerabilities in the Linux kernel. Unfortunately, the fix for CVE-2021-3493 introduced a memory leak in some situations. This update fixes the problem. We apologize for the inconvenience. Original advisory USN-4916-1 introduced a regression in the Linux kernel.