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.
Fixes

Solution

No solution given by the vendor.


Workaround

No workaround given by the vendor.

History

Wed, 16 Jul 2025 13:45:00 +0000

Type Values Removed Values Added
Metrics epss

{'score': 0.00377}

epss

{'score': 0.00512}


cve-icon MITRE

Status: PUBLISHED

Assigner: mitre

Published:

Updated: 2024-08-04T04:39:21.141Z

Reserved: 2021-12-25T00:00:00

Link: CVE-2021-45485

cve-icon Vulnrichment

No data.

cve-icon NVD

Status : Modified

Published: 2021-12-25T02:15:06.667

Modified: 2024-11-21T06:32:18.733

Link: CVE-2021-45485

cve-icon Redhat

Severity : Moderate

Publid Date: 2021-05-31T00:00:00Z

Links: CVE-2021-45485 - Bugzilla

cve-icon OpenCVE Enrichment

No data.