CVE-2023-1206
MediumA hash collision flaw was found in the IPv6 connection lookup table in the Linux kernel’s IPv6 functionality when a user makes a new kind of SYN flood attack. A user located in the local network or with a high bandwidth connection can increase the CPU usage of the server that accepts IPV6 connections up to 95%.
CVSS 3.1 score
5.7
CVSS:3.1/AV:A/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
Weakness type
CWE-400CVE-2023-1206 is a Uncontrolled Resource Consumption vulnerability
What is Uncontrolled Resource Consumption?
The product does not properly control the amount of resources it consumes, leading to exhaustion. Learn more on MITRE CWE
References
6 total-
Issue Tracking Third Party Advisory
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Debian Securityhttps://www.debian.org/security/2023/dsa-5480
Frequently asked questions
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What is CVE-2023-1206?
CVE-2023-1206 is a Medium severity Linux kernel vulnerability with a CVSS score of 5.7 out of 10 , classified as an Uncontrolled Resource Consumption flaw (CWE-400) . CVE-2023-1206 has not been confirmed as actively exploited and is not listed in the CISA KEV catalog.
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What is the CVSS score for CVE-2023-1206?
CVE-2023-1206 has a CVSS score of 5.7 out of 10, rated Medium severity (CVSS 3.1). The vector string is
CVSS:3.1/AV:A/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H. -
Is there a patch available for CVE-2023-1206?
Monitor the NIST NVD and your Linux distribution's security advisories for CVE-2023-1206 patch availability.
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Is CVE-2023-1206 actively exploited?
No. CVE-2023-1206 has not been confirmed as actively exploited. It is not listed in the CISA Known Exploited Vulnerabilities (KEV) catalog.