How to Validate If XenServer is Using Bridge or vSwitch for the Network Stack

This article describes how to validate if XenServer is using Bridge or vSwitch for the network stack. By default, XenServer 6.x uses vSwitch as the network stack when the host is installed. At some point, the XenServer administrator might have changed the network stack to Bridge. When attempting ...

How to Configure a CloudConnector Between Two NetScaler VPX Appliances Using a Wizard

This article describes how to configure a CloudConnector between two NetScaler VPX appliances on different data centers- Data Center A and Data Center B using a wizard. Background CloudConnector is a feature used to build a cloud-extended data center. You can create bridges to connect one or more...

CVE-2024-40921

In the Linux kernel, the following vulnerability has been resolved: net: bridge: mst: pass vlan group directly to brmstvlansetstate Pass the already obtained vlan group pointer to brmstvlansetstate instead of dereferencing it again. Each caller has already correctly dereferenced it for their...

CVE-2024-40920

In the Linux kernel, the following vulnerability has been resolved: net: bridge: mst: fix suspicious rcu usage in brmstsetstate I converted brmstsetstate to RCU to avoid a vlan use-after-free but forgot to change the vlan group dereference helper. Switch to vlan group RCU deref helper to fix the...

DEBIAN-CVE-2024-40921

In the Linux kernel, the following vulnerability has been resolved: net: bridge: mst: pass vlan group directly to brmstvlansetstate Pass the already obtained vlan group pointer to brmstvlansetstate instead of dereferencing it again. Each caller has already correctly dereferenced it for their...

DEBIAN-CVE-2024-40920

In the Linux kernel, the following vulnerability has been resolved: net: bridge: mst: fix suspicious rcu usage in brmstsetstate I converted brmstsetstate to RCU to avoid a vlan use-after-free but forgot to change the vlan group dereference helper. Switch to vlan group RCU deref helper to fix the...

UBUNTU-CVE-2024-40921

In the Linux kernel, the following vulnerability has been resolved: net: bridge: mst: pass vlan group directly to brmstvlansetstate Pass the already obtained vlan group pointer to brmstvlansetstate instead of dereferencing it again. Each caller has already correctly dereferenced it for their...

UBUNTU-CVE-2024-40920

In the Linux kernel, the following vulnerability has been resolved: net: bridge: mst: fix suspicious rcu usage in brmstsetstate I converted brmstsetstate to RCU to avoid a vlan use-after-free but forgot to change the vlan group dereference helper. Switch to vlan group RCU deref helper to fix the...

CVE-2024-40921

In the Linux kernel, the following vulnerability has been resolved: net: bridge: mst: pass vlan group directly to brmstvlansetstate Pass the already obtained vlan group pointer to brmstvlansetstate instead of dereferencing it again. Each caller has already correctly dereferenced it for their...

CVE-2024-40921 net: bridge: mst: pass vlan group directly to br_mst_vlan_set_state

In the Linux kernel, the following vulnerability has been resolved: net: bridge: mst: pass vlan group directly to brmstvlansetstate Pass the already obtained vlan group pointer to brmstvlansetstate instead of dereferencing it again. Each caller has already correctly dereferenced it for their...

CVE-2024-40920 net: bridge: mst: fix suspicious rcu usage in br_mst_set_state

In the Linux kernel, the following vulnerability has been resolved: net: bridge: mst: fix suspicious rcu usage in brmstsetstate I converted brmstsetstate to RCU to avoid a vlan use-after-free but forgot to change the vlan group dereference helper. Switch to vlan group RCU deref helper to fix the...

CVE-2024-40920 net: bridge: mst: fix suspicious rcu usage in br_mst_set_state

In the Linux kernel, the following vulnerability has been resolved: net: bridge: mst: fix suspicious rcu usage in brmstsetstate I converted brmstsetstate to RCU to avoid a vlan use-after-free but forgot to change the vlan group dereference helper. Switch to vlan group RCU deref helper to fix the...

CVE-2024-40921 net: bridge: mst: pass vlan group directly to br_mst_vlan_set_state

In the Linux kernel, the following vulnerability has been resolved: net: bridge: mst: pass vlan group directly to brmstvlansetstate Pass the already obtained vlan group pointer to brmstvlansetstate instead of dereferencing it again. Each caller has already correctly dereferenced it for their...

CVE-2024-40920

CVE-2024-40920 affects the Linux kernel net: bridge: mst component. Root cause: br_mst_set_state was converted to RCU to avoid a VLAN use-after-free, but the vlan group dereference helper was not updated, triggering suspicious RCU usage. The fix switches to the vlan group RCU deref helper to addr...

CVE-2024-40920

In the Linux kernel, the following vulnerability has been resolved: net: bridge: mst: fix suspicious rcu usage in brmstsetstate I converted brmstsetstate to RCU to avoid a vlan use-after-free but forgot to change the vlan group dereference helper. Switch to vlan group RCU deref helper to fix the...

CVE-2024-40921

CVE-2024-40921 impacts the Linux kernel’s networking stack, specifically the bridge/mst path: the change fixes passing a vlan group pointer to br_mst_vlan_set_state by using the already obtained group rather than dereferencing it again. Root cause is a non-functional dereference path related to a...

CVE-2024-40921 net: bridge: mst: pass vlan group directly to br_mst_vlan_set_state

In the Linux kernel, the following vulnerability has been resolved: net: bridge: mst: pass vlan group directly to brmstvlansetstate Pass the already obtained vlan group pointer to brmstvlansetstate instead of dereferencing it again. Each caller has already correctly dereferenced it for their...

drm: zynqmp_dpsub: Always register bridge

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Linux kernel security vulnerabilities

Linux kernel is the kernel used by the Linux Foundation's open source operating system Linux. A security vulnerability exists in the Linux kernel that stems from the net:bridge:mst component passing the VLAN group pointer directly in the brmstvlansetstate function instead of dereferencing it agai...

Linux kernel security vulnerabilities

Linux kernel is the kernel used by the Linux Foundation's open source operating system Linux. A security vulnerability exists in the Linux kernel that stems from a questionable RCU usage in the net:bridge:mst component in the brmstsetstate function...