Description
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.
Published: 2019-08-26
Score: 7.5 High
EPSS: < 1% Very Low
KEV: No
Impact: n/a
Action: n/a
AI Analysis

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Remediation

No vendor fix or workaround currently provided.

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Tracking

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Advisories
Source ID Title
EUVD EUVD EUVD-2019-17850 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:

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

Reserved: 2019-02-18T00:00:00.000Z

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.

cve-icon OpenCVE Enrichment

No data.

Weaknesses