An issue was discovered in the Linux kernel through 5.11.3. Certain iSCSI data structures do not have appropriate length constraints or checks, and can exceed the PAGE_SIZE value. An unprivileged user can send a Netlink message that is associated with iSCSI, and has a length up to the maximum length of a Netlink message. CREATE(Triage):(User=admin) [CVE-2021-27365|https://nvd.nist.gov/vuln/detail/CVE-2021-27365]