{"api_version":"1","generated_at":"2026-04-22T23:52:23+00:00","cve":"CVE-2023-1206","urls":{"html":"https://cve.report/CVE-2023-1206","api":"https://cve.report/api/cve/CVE-2023-1206.json","docs":"https://cve.report/api","cve_org":"https://www.cve.org/CVERecord?id=CVE-2023-1206","nvd":"https://nvd.nist.gov/vuln/detail/CVE-2023-1206"},"summary":{"title":"CVE-2023-1206","description":"A 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%.","state":"PUBLIC","assigner":"secalert@redhat.com","published_at":"2023-06-30 22:15:00","updated_at":"2024-01-11 19:15:00"},"problem_types":["CWE-400"],"metrics":[],"references":[{"url":"https://bugzilla.redhat.com/show_bug.cgi?id=2175903","name":"https://bugzilla.redhat.com/show_bug.cgi?id=2175903","refsource":"MISC","tags":[],"title":"2175903 – (CVE-2023-1206) CVE-2023-1206 kernel: hash collisions in the IPv6 connection lookup table","mime":"text/html","httpstatus":"200","archivestatus":"404"},{"url":"https://www.debian.org/security/2023/dsa-5480","name":"DSA-5480","refsource":"DEBIAN","tags":[],"title":"Debian -- Security Information -- DSA-5480-1 linux","mime":"text/html","httpstatus":"200","archivestatus":"404"},{"url":"https://lists.debian.org/debian-lts-announce/2024/01/msg00004.html","name":"[debian-lts-announce] 20240111 [SECURITY] [DLA 3710-1] linux security update","refsource":"","tags":[],"title":"","mime":"","httpstatus":"200","archivestatus":"200"},{"url":"https://security.netapp.com/advisory/ntap-20230929-0006/","name":"https://security.netapp.com/advisory/ntap-20230929-0006/","refsource":"CONFIRM","tags":[],"title":"CVE-2023-1206 Linux Kernel Vulnerability in NetApp Products | NetApp Product Security","mime":"text/html","httpstatus":"200","archivestatus":"404"},{"url":"https://www.debian.org/security/2023/dsa-5492","name":"DSA-5492","refsource":"DEBIAN","tags":[],"title":"Debian -- Security Information -- DSA-5492-1 linux","mime":"text/html","httpstatus":"200","archivestatus":"404"},{"url":"https://lists.debian.org/debian-lts-announce/2023/10/msg00027.html","name":"[debian-lts-announce] 20231019 [SECURITY] [DLA 3623-1] linux-5.10 security update","refsource":"MLIST","tags":[],"title":"[SECURITY] [DLA 3623-1] linux-5.10 security update","mime":"text/html","httpstatus":"200","archivestatus":"404"},{"url":"https://www.cve.org/CVERecord?id=CVE-2023-1206","name":"CVE Program record","refsource":"CVE.ORG","tags":["canonical"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2023-1206","name":"NVD vulnerability detail","refsource":"NVD","tags":["canonical","analysis"]}],"affected":[],"timeline":[],"solutions":[],"workarounds":[],"exploits":[],"credits":[],"nvd_cpes":[{"cve_year":"2023","cve_id":"1206","vulnerable":"1","versionEndIncluding":"","cpe1":"cpe","cpe2":"2.3","cpe3":"o","cpe4":"fedoraproject","cpe5":"fedora","cpe6":"38","cpe7":"*","cpe8":"*","cpe9":"*","cpe10":"*","cpe11":"*","cpe12":"*","cpe13":"*"},{"cve_year":"2023","cve_id":"1206","vulnerable":"1","versionEndIncluding":"","cpe1":"cpe","cpe2":"2.3","cpe3":"o","cpe4":"linux","cpe5":"linux_kernel","cpe6":"*","cpe7":"*","cpe8":"*","cpe9":"*","cpe10":"*","cpe11":"*","cpe12":"*","cpe13":"*"},{"cve_year":"2023","cve_id":"1206","vulnerable":"1","versionEndIncluding":"","cpe1":"cpe","cpe2":"2.3","cpe3":"o","cpe4":"redhat","cpe5":"enterprise_linux","cpe6":"8.0","cpe7":"*","cpe8":"*","cpe9":"*","cpe10":"*","cpe11":"*","cpe12":"*","cpe13":"*"},{"cve_year":"2023","cve_id":"1206","vulnerable":"1","versionEndIncluding":"","cpe1":"cpe","cpe2":"2.3","cpe3":"o","cpe4":"redhat","cpe5":"enterprise_linux","cpe6":"9.0","cpe7":"*","cpe8":"*","cpe9":"*","cpe10":"*","cpe11":"*","cpe12":"*","cpe13":"*"}],"vendor_comments":[],"enrichments":{"kev":null,"epss":null,"legacy_qids":[{"cve":"CVE-2023-1206","qid":"161066","title":"Oracle Enterprise Linux Security Update for kernel (ELSA-2023-6583)"},{"cve":"CVE-2023-1206","qid":"161147","title":"Oracle Enterprise Linux Security Update for kernel (ELSA-2023-7077)"},{"cve":"CVE-2023-1206","qid":"199764","title":"Ubuntu Security Notification for Linux kernel (OEM) Vulnerabilities (USN-6385-1)"},{"cve":"CVE-2023-1206","qid":"199804","title":"Ubuntu Security Notification for Linux kernel Vulnerabilities (USN-6417-1)"},{"cve":"CVE-2023-1206","qid":"199809","title":"Ubuntu Security Notification for Linux kernel Vulnerabilities (USN-6416-1)"},{"cve":"CVE-2023-1206","qid":"199810","title":"Ubuntu Security Notification for Linux kernel Vulnerabilities (USN-6412-1)"},{"cve":"CVE-2023-1206","qid":"199814","title":"Ubuntu Security Notification for Linux kernel Vulnerabilities (USN-6416-2)"},{"cve":"CVE-2023-1206","qid":"199840","title":"Ubuntu Security Notification for Linux kernel (Raspberry Pi) Vulnerabilities (USN-6416-3)"},{"cve":"CVE-2023-1206","qid":"199842","title":"Ubuntu Security Notification for Linux kernel Vulnerabilities (USN-6440-1)"},{"cve":"CVE-2023-1206","qid":"199843","title":"Ubuntu Security Notification for Linux kernel Vulnerabilities (USN-6439-1)"},{"cve":"CVE-2023-1206","qid":"199844","title":"Ubuntu Security Notification for Linux kernel (Intel IoTG) Vulnerabilities (USN-6445-1)"},{"cve":"CVE-2023-1206","qid":"199849","title":"Ubuntu Security Notification for Linux kernel (Azure) Vulnerabilities (USN-6440-2)"},{"cve":"CVE-2023-1206","qid":"199855","title":"Ubuntu Security Notification for Linux kernel (AWS) Vulnerabilities (USN-6439-2)"},{"cve":"CVE-2023-1206","qid":"199858","title":"Ubuntu Security Notification for Linux kernel (Intel IoTG) Vulnerabilities (USN-6445-2)"},{"cve":"CVE-2023-1206","qid":"199864","title":"Ubuntu Security Notification for Linux kernel (HWE) Vulnerabilities (USN-6440-3)"},{"cve":"CVE-2023-1206","qid":"199874","title":"Ubuntu Security Notification for Linux kernel Vulnerabilities (USN-6460-1)"},{"cve":"CVE-2023-1206","qid":"199883","title":"Ubuntu Security Notification for Linux kernel (NVIDIA) Vulnerabilities (USN-6466-1)"},{"cve":"CVE-2023-1206","qid":"242151","title":"Red Hat Update for kernel security (RHSA-2023:5627)"},{"cve":"CVE-2023-1206","qid":"242154","title":"Red Hat Update for kernel (RHSA-2023:5604)"},{"cve":"CVE-2023-1206","qid":"242157","title":"Red Hat Update for kernel-rt (RHSA-2023:5603)"},{"cve":"CVE-2023-1206","qid":"242399","title":"Red Hat Update for kernel security (RHSA-2023:6583)"},{"cve":"CVE-2023-1206","qid":"242434","title":"Red Hat Update for kernel-rt security (RHSA-2023:6901)"},{"cve":"CVE-2023-1206","qid":"242451","title":"Red Hat Update for kernel security (RHSA-2023:7077)"},{"cve":"CVE-2023-1206","qid":"355525","title":"Amazon Linux Security Advisory for kernel : ALAS2023-2023-233"},{"cve":"CVE-2023-1206","qid":"355527","title":"Amazon Linux Security Advisory for kernel : ALAS2KERNEL-5.4-2023-048"},{"cve":"CVE-2023-1206","qid":"355534","title":"Amazon Linux Security Advisory for kernel : ALAS2KERNEL-5.10-2023-035"},{"cve":"CVE-2023-1206","qid":"355537","title":"Amazon Linux Security Advisory for kernel : ALAS2KERNEL-5.15-2023-022"},{"cve":"CVE-2023-1206","qid":"355551","title":"Amazon Linux Security Advisory for kernel : ALAS2-2023-2108"},{"cve":"CVE-2023-1206","qid":"355561","title":"Amazon Linux Security Advisory for kernel : ALAS-2023-1776"},{"cve":"CVE-2023-1206","qid":"379043","title":"Alibaba Cloud Linux Security Update for cloud-kernel (ALINUX3-SA-2023:0136)"},{"cve":"CVE-2023-1206","qid":"379435","title":"Alibaba Cloud Linux Security Update for cloud-kernel (ALINUX2-SA-2024:0012)"},{"cve":"CVE-2023-1206","qid":"6000212","title":"Debian Security Update for linux (DSA 5480-1)"},{"cve":"CVE-2023-1206","qid":"6000220","title":"Debian Security Update for linux (DSA 5492-1)"},{"cve":"CVE-2023-1206","qid":"6000265","title":"Debian Security Update for linux-5.10 (DLA 3623-1)"},{"cve":"CVE-2023-1206","qid":"6000429","title":"Debian Security Update for linux (DLA 3710-1)"},{"cve":"CVE-2023-1206","qid":"6120001","title":"Google COS Security Update for sys-kernel/lakitu-kernel-5_4 (CVE-2023-1206)"},{"cve":"CVE-2023-1206","qid":"6140349","title":"AWS Bottlerocket Security Update for kernel (GHSA-rrr3-w6jw-97j7)"},{"cve":"CVE-2023-1206","qid":"673406","title":"EulerOS Security Update for kernel (EulerOS-SA-2023-3182)"},{"cve":"CVE-2023-1206","qid":"673449","title":"EulerOS Security Update for kernel (EulerOS-SA-2023-2898)"},{"cve":"CVE-2023-1206","qid":"673484","title":"EulerOS Security Update for kernel (EulerOS-SA-2023-3033)"},{"cve":"CVE-2023-1206","qid":"673498","title":"EulerOS Security Update for kernel (EulerOS-SA-2023-3132)"},{"cve":"CVE-2023-1206","qid":"673563","title":"EulerOS Security Update for kernel (EulerOS-SA-2024-1144)"},{"cve":"CVE-2023-1206","qid":"673732","title":"EulerOS Security Update for kernel (EulerOS-SA-2023-3010)"},{"cve":"CVE-2023-1206","qid":"673848","title":"EulerOS Security Update for kernel (EulerOS-SA-2023-3217)"},{"cve":"CVE-2023-1206","qid":"673970","title":"EulerOS Security Update for kernel (EulerOS-SA-2023-2879)"},{"cve":"CVE-2023-1206","qid":"755059","title":"SUSE Enterprise Linux Security Update for the Linux Kernel (SUSE-SU-2023:4035-1)"},{"cve":"CVE-2023-1206","qid":"755060","title":"SUSE Enterprise Linux Security Update for the Linux Kernel (SUSE-SU-2023:4031-1)"},{"cve":"CVE-2023-1206","qid":"755061","title":"SUSE Enterprise Linux Security Update for the Linux Kernel (SUSE-SU-2023:4030-1)"},{"cve":"CVE-2023-1206","qid":"755063","title":"SUSE Enterprise Linux Security Update for the Linux Kernel (SUSE-SU-2023:4032-1)"},{"cve":"CVE-2023-1206","qid":"755082","title":"SUSE Enterprise Linux Security Update for the Linux Kernel (SUSE-SU-2023:4058-1)"},{"cve":"CVE-2023-1206","qid":"755083","title":"SUSE Enterprise Linux Security Update for the Linux Kernel (SUSE-SU-2023:4057-1)"},{"cve":"CVE-2023-1206","qid":"755085","title":"SUSE Enterprise Linux Security Update for the Linux Kernel (SUSE-SU-2023:4072-1)"},{"cve":"CVE-2023-1206","qid":"755086","title":"SUSE Enterprise Linux Security Update for the Linux Kernel (SUSE-SU-2023:4071-1)"},{"cve":"CVE-2023-1206","qid":"755096","title":"SUSE Enterprise Linux Security Update for the Linux Kernel (SUSE-SU-2023:4093-1)"},{"cve":"CVE-2023-1206","qid":"755107","title":"SUSE Enterprise Linux Security Update for the Linux Kernel (SUSE-SU-2023:4095-1)"},{"cve":"CVE-2023-1206","qid":"755229","title":"SUSE Enterprise Linux Security Update for the Linux Kernel (SUSE-SU-2023:4072-2)"},{"cve":"CVE-2023-1206","qid":"755565","title":"SUSE Security Update for the linux kernel (SUSE-SU-2023:4347-1)"},{"cve":"CVE-2023-1206","qid":"941453","title":"AlmaLinux Security Update for kernel (ALSA-2023:7077)"}]},"source_records":{"cve_program":{"data_type":"CVE","data_format":"MITRE","data_version":"4.0","CVE_data_meta":{"ID":"CVE-2023-1206","ASSIGNER":"secalert@redhat.com","STATE":"PUBLIC"},"affects":{"vendor":{"vendor_data":[{"vendor_name":"n/a","product":{"product_data":[{"product_name":"Kernel","version":{"version_data":[{"version_value":"kernel 6.5-rc1"}]}}]}}]}},"problemtype":{"problemtype_data":[{"description":[{"lang":"eng","value":"CWE-400"}]}]},"references":{"reference_data":[{"refsource":"MISC","name":"https://bugzilla.redhat.com/show_bug.cgi?id=2175903","url":"https://bugzilla.redhat.com/show_bug.cgi?id=2175903"},{"refsource":"DEBIAN","name":"DSA-5480","url":"https://www.debian.org/security/2023/dsa-5480"},{"refsource":"DEBIAN","name":"DSA-5492","url":"https://www.debian.org/security/2023/dsa-5492"},{"refsource":"CONFIRM","name":"https://security.netapp.com/advisory/ntap-20230929-0006/","url":"https://security.netapp.com/advisory/ntap-20230929-0006/"},{"refsource":"MLIST","name":"[debian-lts-announce] 20231019 [SECURITY] [DLA 3623-1] linux-5.10 security update","url":"https://lists.debian.org/debian-lts-announce/2023/10/msg00027.html"}]},"description":{"description_data":[{"lang":"eng","value":"A 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%."}]}},"nvd":{"publishedDate":"2023-06-30 22:15:00","lastModifiedDate":"2024-01-11 19:15:00","problem_types":["CWE-400"],"metrics":{"baseMetricV3":{"cvssV3":{"version":"3.1","vectorString":"CVSS:3.1/AV:A/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H","attackVector":"ADJACENT_NETWORK","attackComplexity":"LOW","privilegesRequired":"LOW","userInteraction":"NONE","scope":"UNCHANGED","confidentialityImpact":"NONE","integrityImpact":"NONE","availabilityImpact":"HIGH","baseScore":5.7,"baseSeverity":"MEDIUM"},"exploitabilityScore":2.1,"impactScore":3.6}},"configurations":{"CVE_data_version":"4.0","nodes":[{"operator":"OR","children":[],"cpe_match":[{"vulnerable":true,"cpe23Uri":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionEndExcluding":"6.5","cpe_name":[]}]},{"operator":"OR","children":[],"cpe_match":[{"vulnerable":true,"cpe23Uri":"cpe:2.3:o:redhat:enterprise_linux:8.0:*:*:*:*:*:*:*","cpe_name":[]},{"vulnerable":true,"cpe23Uri":"cpe:2.3:o:redhat:enterprise_linux:9.0:*:*:*:*:*:*:*","cpe_name":[]}]},{"operator":"OR","children":[],"cpe_match":[{"vulnerable":true,"cpe23Uri":"cpe:2.3:o:fedoraproject:fedora:38:*:*:*:*:*:*:*","cpe_name":[]}]}]}},"legacy_mitre":{"record":null,"notes":[]}}}