CVE-2023-1206

CVE-2023-1206 describes a hash collision flaw in the Linux kernel’s IPv6 connection lookup table that can allow a local attacker or a user with high bandwidth to cause significant CPU spike (up to 95%) on the server accepting IPv6 connections. Connected advisories show this CVE being addressed in...

CVE-2023-1206

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...

CVE-2023-1206

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...

Important: kernel

Issue Overview: An issue was found in the Linux kernel's IPv6 TCP connection tracking code, which could lead to high CPU usage with certain traffic patterns. CVE-2023-1206 Affected Packages: kernel Issue Correction: Run dnf update kernel --releasever 2023.1.20230629 or dnf update --advisory...

Important: kernel

Issue Overview: An issue was found in the Linux kernel's IPv6 TCP connection tracking code, which could lead to high CPU usage with certain traffic patterns. CVE-2023-1206 Affected Packages: kernel Issue Correction: Run yum update kernel or yum update --advisory ALAS-2023-1776 to update your...

Amazon Linux 2023 : bpftool, kernel, kernel-devel (ALAS2023-2023-233)

It is, therefore, affected by a vulnerability as referenced in the ALAS2023-2023-233 advisory. An issue was found in the Linux kernel's IPv6 TCP connection tracking code, which could lead to high CPU usage with certain traffic patterns. CVE-2023-1206 Tenable has extracted the preceding descriptio...

Amazon Linux 2 : kernel (ALASKERNEL-5.10-2023-035)

The version of kernel installed on the remote host is prior to 5.10.184-175.731. It is, therefore, affected by a vulnerability as referenced in the ALAS2KERNEL-5.10-2023-035 advisory. An issue was found in the Linux kernel's IPv6 TCP connection tracking code, which could lead to high CPU usage wi...

Important: kernel

Issue Overview: An issue was found in the Linux kernel's IPv6 TCP connection tracking code, which could lead to high CPU usage with certain traffic patterns. CVE-2023-1206 Affected Packages: kernel Note: This advisory is applicable to Amazon Linux 2 - Kernel-5.4 Extra. Visit this page to learn mo...

Important: kernel

Issue Overview: An issue was found in the Linux kernel's IPv6 TCP connection tracking code, which could lead to high CPU usage with certain traffic patterns. CVE-2023-1206 Affected Packages: kernel Note: This advisory is applicable to Amazon Linux 2 AL2 Core repository. Visit this FAQ section for...

Important: kernel

Issue Overview: An issue was found in the Linux kernel's IPv6 TCP connection tracking code, which could lead to high CPU usage with certain traffic patterns. CVE-2023-1206 Affected Packages: kernel Note: This advisory is applicable to Amazon Linux 2 - Kernel-5.15 Extra. Visit this page to learn...

CVE-2023-1206

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...

golang.org/x/net/http2: avoid quadratic complexity in HPACK decoding

A flaw was found in golang. A maliciously crafted HTTP/2 stream could cause excessive CPU consumption in the HPACK decoder, sufficient to cause a denial of service from a small number of requests...

Important: kernel security and bug fix update

The kernel packages contain the Linux kernel, the core of any Linux operating system. Security Fixes: kernel: use-after-free vulnerability in the perfgroupdetach function of the Linux Kernel Performance Events CVE-2023-2235 kernel: netfilter: use-after-free in nftables when processing batch...

Denial of Service (DoS)

Overview Affected versions of this package are vulnerable to Denial of Service DoS. A vulnerability exists in .NET when processing malicious X.509 client certificates that may consume excessive CPU. Details Denial of Service DoS describes a family of attacks, all aimed at making a system...

Denial of Service (DoS)

Overview Affected versions of this package are vulnerable to Denial of Service DoS. A vulnerability exists in .NET when processing malicious X.509 client certificates that may consume excessive CPU. Details Denial of Service DoS describes a family of attacks, all aimed at making a system...

Denial of Service (DoS)

Overview Affected versions of this package are vulnerable to Denial of Service DoS. A vulnerability exists in .NET when processing malicious X.509 client certificates that may consume excessive CPU. Details Denial of Service DoS describes a family of attacks, all aimed at making a system...

Denial of Service (DoS)

Overview Affected versions of this package are vulnerable to Denial of Service DoS. A vulnerability exists in .NET when processing malicious X.509 client certificates that may consume excessive CPU. Details Denial of Service DoS describes a family of attacks, all aimed at making a system...

Denial of Service (DoS)

Overview Affected versions of this package are vulnerable to Denial of Service DoS. A vulnerability exists in .NET when processing malicious X.509 client certificates that may consume excessive CPU. Details Denial of Service DoS describes a family of attacks, all aimed at making a system...

Denial of Service (DoS)

Overview Affected versions of this package are vulnerable to Denial of Service DoS. A vulnerability exists in .NET when processing malicious X.509 client certificates that may consume excessive CPU. Details Denial of Service DoS describes a family of attacks, all aimed at making a system...

Denial of Service (DoS)

Overview Affected versions of this package are vulnerable to Denial of Service DoS. A vulnerability exists in .NET when processing malicious X.509 client certificates that may consume excessive CPU. Details Denial of Service DoS describes a family of attacks, all aimed at making a system...