{"cve":"CVE-2021-45485","nvd":{"published":"2021-12-25T02:15:06.667","modified":"2026-08-05T18:42:43.487","status":"Analyzed","description":"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.","cvss_v4":null,"cvss_v3":{"version":"3.1","vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N","score":7.5},"cwes":["CWE-327"],"references":["https://arxiv.org/pdf/2112.09604.pdf","https://cdn.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.13.3","https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=62f20e068ccc50d6ab66fdb72ba90da2b9418c99","https://security.netapp.com/advisory/ntap-20220121-0001/","https://www.oracle.com/security-alerts/cpujul2022.html"],"products":["linux:linux_kernel","netapp:aff_a400_firmware","netapp:all_flash_fabric-attached_storage_8300_firmware","netapp:all_flash_fabric-attached_storage_8700_firmware","netapp:brocade_fabric_operating_system_firmware","netapp:e-series_santricity_os_controller","netapp:fabric-attached_storage_8300_firmware","netapp:fabric-attached_storage_8700_firmware","netapp:fabric-attached_storage_a400_firmware","netapp:h300e_firmware","netapp:h300s_firmware","netapp:h410c_firmware","netapp:h410s_firmware","netapp:h500e_firmware","netapp:h500s_firmware","netapp:h610c_firmware","netapp:h610s_firmware","netapp:h615c_firmware","netapp:h700e_firmware","netapp:h700s_firmware","netapp:hci_compute_node_firmware","netapp:solidfire\\,_enterprise_sds_\\&_hci_storage_node","netapp:solidfire_\\&_hci_management_node","oracle:communications_cloud_native_core_binding_support_function","oracle:communications_cloud_native_core_network_exposure_function","oracle:communications_cloud_native_core_policy"],"source":"nvd","synced_at":"2026-10-19T21:26:33.761856376+00:00"},"epss":{"cve":"CVE-2021-45485","score":0.03822,"percentile":0.90069,"date":"2026-10-31"},"kev":null,"osv":[],"attribution":["This product uses the NVD API but is not endorsed or certified by the NVD.","EPSS scores: FIRST Exploit Prediction Scoring System, https://www.first.org/epss","Known exploited vulnerabilities: CISA Known Exploited Vulnerabilities Catalog, https://www.cisa.gov/known-exploited-vulnerabilities-catalog","Package advisories: OSV (https://osv.dev), from the GitHub Advisory Database, PyPA, Go, RustSec and other ecosystem databases, under CC-BY 4.0 or CC0","CVE records: the CVE Program's CVE List (https://www.cve.org), under its terms of use (https://www.cve.org/Legal/TermsOfUse). CVE is a registered trademark of The MITRE Corporation; this product is not affiliated with the CVE Program."]}