CVE-2026-43454

In the Linux kernel, the following vulnerability has been resolved: netfilter: nftables: Fix for duplicate device in netdev hooks When handling NETDEVREGISTER notification, duplicate device registration must be avoided since the device may have been added by nftnetdevhookalloc already when creati...

CVE-2026-43454 netfilter: nf_tables: Fix for duplicate device in netdev hooks

In the Linux kernel, the following vulnerability has been resolved: netfilter: nftables: Fix for duplicate device in netdev hooks When handling NETDEVREGISTER notification, duplicate device registration must be avoided since the device may have been added by nftnetdevhookalloc already when creati...

PT-2026-39082

Name of the Vulnerable Software and Affected Versions Linux kernel affected versions not specified Description A flaw in the f ncm USB gadget driver allows a network device to outlive its parent gadget device during disconnection. This leads to dangling sysfs links and null pointer dereference...

PT-2026-39083

Name of the Vulnerable Software and Affected Versions Linux kernel affected versions not specified Description A NULL pointer dereference occurs in the legacy NCM driver within the gncm bind function. This issue arises because the driver attempts to access the net device before it is fully...

CVE-2026-43234

In the Linux kernel, the following vulnerability has been resolved: team: avoid NETDEVCHANGEMTU event when unregistering slave syzbot is reporting unregisternetdevice: waiting for netdevsim0 to become free. Usage count = 3 reftracker: netdev@ffff88807dcf8618 has 1/2 users at netdevtrackeralloc...

CVE-2026-43234 team: avoid NETDEV_CHANGEMTU event when unregistering slave

In the Linux kernel, the following vulnerability has been resolved: team: avoid NETDEVCHANGEMTU event when unregistering slave syzbot is reporting unregisternetdevice: waiting for netdevsim0 to become free. Usage count = 3 reftracker: netdev@ffff88807dcf8618 has 1/2 users at netdevtrackeralloc...

CVE-2026-43219

CVE-2026-43219 concerns the Linux kernel networking code in cpsw_new. The issue arises when register_netdev() fails for the first MAC in cpsw_register_ports() but cpsw->slaves[1].ndev remains set, allowing cpsw_unregister_ports() to later try to unregister the second MAC. The root cause is not...

CVE-2026-43219 net: cpsw_new: Fix potential unregister of netdev that has not been registered yet

In the Linux kernel, the following vulnerability has been resolved: net: cpswnew: Fix potential unregister of netdev that has not been registered yet If an error occurs during registernetdev for the first MAC in cpswregisterports, even though cpsw-slaves0.ndev is set to NULL, cpsw-slaves1.ndev...

CVE-2026-43219

In the Linux kernel, the following vulnerability has been resolved: net: cpswnew: Fix potential unregister of netdev that has not been registered yet If an error occurs during registernetdev for the first MAC in cpswregisterports, even though cpsw-slaves0.ndev is set to NULL, cpsw-slaves1.ndev...

CVE-2026-43103

CVE-2026-43103 affects the Linux kernel net/lapbether driver: lapbeth_data_transmit() assumes the underlying device type is ARPHRD_ETHER, and returning NOTIFY_BAD from lapbeth_device_event() prevents the bonding driver from violating this expectation. The vulnerability is resolved in upstream ker...

CVE-2026-43103

In the Linux kernel, the following vulnerability has been resolved: net: lapbether: handle NETDEVPRETYPECHANGE lapbethdatatransmit expects the underlying device type to be ARPHRDETHER. Returning NOTIFYBAD from lapbethdeviceevent makes sure bonding driver can not break this expectation...

CVE-2026-43103 net: lapbether: handle NETDEV_PRE_TYPE_CHANGE

In the Linux kernel, the following vulnerability has been resolved: net: lapbether: handle NETDEVPRETYPECHANGE lapbethdatatransmit expects the underlying device type to be ARPHRDETHER. Returning NOTIFYBAD from lapbethdeviceevent makes sure bonding driver can not break this expectation...

Linux kernel 安全漏洞

The Linux kernel is the core of the open-source operating system Linux, developed by the Linux Foundation in the United States. There is a security vulnerability in the Linux kernel, which stems from the failure to refresh states and policies during the NETDEVUNREGISTER event. This could lead to ...

PT-2026-37574

Name of the Vulnerable Software and Affected Versions Linux kernel affected versions not specified Description An issue exists in the team driver where a NETDEV CHANGEMTU event is triggered during the unregistration of a slave. This can lead to a situation where the system waits for a network...

PT-2026-37559

Name of the Vulnerable Software and Affected Versions Linux kernel affected versions not specified Description A flaw exists in the cpsw new component of the Linux kernel. An error during the register netdev process for the first MAC in cpsw register ports could lead to a situation where cpsw...

systemd security update

257-13.0.1.el101.3 - Fix detection of Oracle Virtualization or BM envs Orabug: 37531877 - Avoid udevadm warnings when using udev valid configs Orabug: 37503197 - allow dm remove ioctl to co-operate with UEK3 Orabug: 18467469 - set 'RemoveIPC=no' in logind.conf as default Orabug: 22224874 - Fix...

CVE-2026-31723

A flaw was found in the Linux kernel's usb: gadget: fsubset component. This vulnerability arises from an issue in how network device resources are managed during the unbinding of a USB gadget function. When the parent device is destroyed, the associated network device may persist, creating...

CVE-2026-31695

In the Linux kernel, the following vulnerability has been resolved: wifi: virtwifi: remove SETNETDEVDEV to avoid use-after-free Currently we execute SETNETDEVDEVdev, &priv-lowerdev-dev for the virtwifi net devices. However, unregistering a virtwifi device in netdevruntodo can happen together with...

Linux kernel 安全漏洞

The Linux kernel is the core of the open-source operating system Linux, developed by the Linux Foundation in the United States. There is a security vulnerability in the Linux kernel, which stems from prematurely releasing network device references when the openvswitch tunnel devices are destroyed...

CVE-2026-31565

A flaw was found in the Linux kernel's RDMA/irdma component. A local user can trigger a deadlock by performing a network device netdev reset while Remote Direct Memory Access RDMA applications are actively running, particularly in iWARP mode. This action creates a circular dependency during the...