CVE-2019-8460
UNKNOWN
Published 2019-08-26T19:18:49
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No CVSS data available
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.
Available Exploits
No exploits available for this CVE.
Related News
No news articles found for this CVE.
GitHub Security Advisories
Community-driven vulnerability intelligence from GitHub
⚠ Unreviewed
HIGH
GHSA-9q38-5hh6-p5gw
Advisory Details
Reuven Plevinsky and Tal Vainshtein of Check Point Software Technologies Ltd. discovered that OpenBSD kernel (all versions, including 6.5) can be forced to create long chains of TCP SACK holes that cause very expensive calls to tcp_sack_option() for every incoming SACK packet which can lead to a denial of service.
CVSS Scoring
CVSS Score
7.5
CVSS Vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
References
Advisory provided by GitHub Security Advisory Database. Published: May 24, 2022, Modified: April 4, 2024
References
Published: 2019-08-26T19:18:49
Last Modified: 2024-08-04T21:17:31.425Z
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