In OpenWrt 19.07.x before 19.07.7, when IPv6 is used, a routing loop can occur that generates excessive network traffic between an affected device and its upstream ISP's router. This occurs when a link prefix route points to a point-to-point link, a destination IPv6 address belongs to the prefix and is not a local IPv6 address, and a router advertisement is received with at least one global unique IPv6 prefix for which the on-link flag is set. This affects the netifd and odhcp6c packages.
References
Link | Resource |
---|---|
https://openwrt.org/advisory/2021-02-02-1 | Vendor Advisory |
History
No history.
MITRE Information
Status: PUBLISHED
Assigner: mitre
Published: 2021-02-07T22:56:39
Updated: 2021-02-08T01:04:45
Reserved: 2021-01-05T00:00:00
Link: CVE-2021-22161
JSON object: View
NVD Information
Status : Analyzed
Published: 2021-02-07T23:15:12.273
Modified: 2023-05-24T15:01:02.763
Link: CVE-2021-22161
JSON object: View
Redhat Information
No data.
CWE