CVE-2024-42245

CVE-2024-42245 is a Linux kernel vulnerability resolved by reverting the patch that changed load balancing in sched/fair. The original change caused an O(n) detachment scan in detach_tasks() when many tasks on a CPU were pinned, and the load-balancer code runs with rq lock held (often in softirq ...

CVE-2024-42245 Revert "sched/fair: Make sure to try to detach at least one movable task"

In the Linux kernel, the following vulnerability has been resolved: Revert "sched/fair: Make sure to try to detach at least one movable task" This reverts commit b0defa7ae03ecf91b8bfd10ede430cff12fcbd06. b0defa7ae03ec changed the load balancing logic to ignore env.maxloop if all tasks examined to...

CVE-2024-42245

In the Linux kernel, the following vulnerability has been resolved: Revert "sched/fair: Make sure to try to detach at least one movable task" This reverts commit b0defa7ae03ecf91b8bfd10ede430cff12fcbd06. b0defa7ae03ec changed the load balancing logic to ignore env.maxloop if all tasks examined to...

CVE-2024-42245: Improper Locking

In the Linux kernel, the following vulnerability has been resolved: Revert "sched/fair: Make sure to try to detach at least one movable task" This reverts commit b0defa7ae03ecf91b8bfd10ede430cff12fcbd06. b0defa7ae03ec changed the load balancing logic to ignore env.maxloop if all tasks examined to...

Linux Kernel Security Vulnerabilities

Linux kernel is the kernel used by Linux, the open source operating system of the Linux Foundation in the United States. A security vulnerability exists in the Linux kernel that stems from a sched/fair module load balancing logic change causing env.maxloop to be ignored when all tasks are fixed,...

Multipath tools

In enterprise environments where uptime and performance are critical, ensuring continuous and efficient access to storage is paramount. Multipathing is a technique used to provide multiple physical paths between the host and the storage devices. XenServer manages these multiple I/O paths, enablin...

September 20, 2018—KB4458315 (Preview of Monthly Rollup)

September 20, 2018—KB4458315 Preview of Monthly Rollup Applies To Windows Server 2008 Service Pack 2 Improvements and fixes This non-security update includes improvements and fixes that were a part of KB4458010 released September 11, 2018 and also includes these new quality improvements as a...

September 20, 2018—KB4457133 (Preview of Monthly Rollup)

September 20, 2018—KB4457133 Preview of Monthly Rollup Applies To Windows 8.1 Windows Server 2012 R2 Improvements and fixes This non-security update includes improvements and fixes that were a part of KB4457129 released September 11, 2018 and also includes these new quality improvements as a...

[NetScaler] Squid may record "error:transaction-end-before-headers" when be the service of LB

In a NetScaler Load Balancing deployment, you may have a Squild proxy server configured as a NetScaler LB Service. And you may observe "error:transaction-end-before-headers" recorded on Squid server. The error apears periodically with several seconds interval. Log sample: Timestamp xxxx...

Netscaler - Load Balancing (GLSB, Content Switching)

Introduction This article contains links to some of the most popular knowledge base articles which can help with common issues that are related to the Load Balancing feature of Citrix NetScaler. See the list below for helpful articles which are related to Load Balancing virtual servers, Content...

When Load Balancing StoreFront on NetScaler all Connections Go to One Server in NetScaler Gateway Set Up

StoreFront servers are not load balanced; all connections go to one server in NetScaler Gateway set up. Following is a screen shot of the status of load balanced servers:...

CloudBridge 4000 and 5000 to Optimize NetApp SnapMirror Traffic1

This article describes how you can configure Citrix CloudBridge 4000 and 5000 to optimize NetApp SnapMirror traffic between two Data centers. The article also provides the benchmarking results from lab testing efforts to quantify the gains that can be attained by deploying NetApp SnapMirror...

Session Sharing Explained with Troubleshooting Steps

This article explains session sharing and discusses some common scenarios. Session sharing is the ability of a seamless published application to be executed over the same connection as other seamless applications that are already running on the same server, under an existing Session ID of a user...

How to Adjust the Bond Balance Interval in XenServer 6.x

XenServer 6.1.0 introduces a change to the NIC bonding load balancing algorithm for active-active bonds in the vSwitch network stack. In past releases, active-active bonds were set to rebalance load every 10 seconds. However, in XenServer 6.1.0 active-active bonds on the vSwitch rebalance load...

Understanding Subnet Affinity and Auto Rebalance

This article details the Subnet Affinity and Auto Rebalance features and also provides the best practices for their use. Subnet Affinity When assigning the server and NIC combination to provide a vDisk to target devices, select from the following subnet settings: None: Ignore subnets; use least...

BIT-HUBBLE-UI-2023-27595

Cilium is a networking, observability, and security solution with an eBPF-based dataplane. In version 1.13.0, when Cilium is started, there is a short period when Cilium eBPF programs are not attached to the host. During this period, the host does not implement any of Cilium's featureset. This ca...

BIT-CILIUM-PROXY-2023-27595

Cilium is a networking, observability, and security solution with an eBPF-based dataplane. In version 1.13.0, when Cilium is started, there is a short period when Cilium eBPF programs are not attached to the host. During this period, the host does not implement any of Cilium's featureset. This ca...

BIT-HUBBLE-2023-27595

Cilium is a networking, observability, and security solution with an eBPF-based dataplane. In version 1.13.0, when Cilium is started, there is a short period when Cilium eBPF programs are not attached to the host. During this period, the host does not implement any of Cilium's featureset. This ca...

BIT-CILIUM-OPERATOR-2023-27595 Cilium eBPF filters may be temporarily removed during agent restart

Cilium is a networking, observability, and security solution with an eBPF-based dataplane. In version 1.13.0, when Cilium is started, there is a short period when Cilium eBPF programs are not attached to the host. During this period, the host does not implement any of Cilium's featureset. This ca...

CVE-2024-28132

Exposure of Sensitive Information vulnerability exists in the GSLB container, which may allow an authenticated attacker with local access to view sensitive information. Note: Software versions which have reached End of Technical Support EoTS are not evaluated...