In the IPv6 implementation in the Linux kernel before 5.13.3, net/ipv6/output_core.c has an information leak because of certain use of a hash table which, although big, doesn't properly consider that IPv6-based attackers can typically choose among many IPv6 source addresses. CREATE(Triage):(User=admin) [CVE-2021-45485|https://nvd.nist.gov/vuln/detail/CVE-2021-45485]
