OpenBSD kernel version <= 6.5 can be forced to create long chains of TCP SACK holes that causes very expensive calls to tcp_sack_option() for every incoming SACK packet which can lead to a denial of service.
History

No history.

cve-icon MITRE

Status: PUBLISHED

Assigner: checkpoint

Published: 2019-08-26T19:18:49

Updated: 2024-08-04T21:17:31.425Z

Reserved: 2019-02-18T00:00:00

Link: CVE-2019-8460

cve-icon Vulnrichment

No data.

cve-icon NVD

Status : Modified

Published: 2019-08-26T20:15:10.030

Modified: 2024-11-21T04:49:56.840

Link: CVE-2019-8460

cve-icon Redhat

No data.