This update for the Linux Kernel 4.4.121-92_138 fixes several issues. The following security issues were fixed: - CVE-2021-27365: Fixed an issue where data structures did not have appropriate length constraints or checks, and could exceed the PAGE_SIZE value . - CVE-2021-27363: Fixed a kernel pointer leak which could have been used to determine the address of the iscsi_transport structure . - CVE-2021-27364: Fixed an issue where an unprivileged user could craft Netlink messages .