Astra Linux – Vulnerability in Linux 5.10, Linux

In the Linux kernel, the following vulnerability has been resolved: net: ipv6: Ensure that we call ipv6mcdown at most once. There are two reasons why addrconfnotify is called with NETDEVDOWN: Either the network device is actually going down, or IPv6 was disabled on the interface. If either of the...

Astra Linux – Vulnerability in Linux 6.1

In the Linux kernel, the following vulnerabilities have been resolved: netdevsim: Avoid potential loops in nsimdevtrapreportwork. Many syzbot reports include the following trace 1. If nsimdevtrapreportwork cannot acquire the mutex, it should rearm itself at least one jiffie later. 1 Sending NMI...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: “wifi: mac80211: fix memory leak in ieee80211ifadd” This resolution involves committing changes in commit 13e5afd3d773c6fc6ca2b89027befaaaa1ea7293. The function ieee80211iffree is already called from freenetdevndev, because...

Astra Linux – Vulnerability found in Linux 5.10, Linux 6.1

In the Linux kernel, the following vulnerabilities have been resolved: net: Handling of integer overflows in kmallocreserve The committed change was as follows: c ptr = kmallocsize; if ptr size = ksizeptr; size = kmallocsizeroundupsize; ptr = kmallocsize; This caused various crashes, as reported ...

Astra Linux – Vulnerability in Linux 5.10, Linux

In the Linux kernel, the following vulnerability has been resolved: mac802154: fixed the missing INITLISTHEAD in ieee802154ifadd. The kernel fault injection test reports a NULL pointer dereference as follows: BUG: NULL pointer dereferencing in the kernel; address: 0000000000000008 RIP:...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: RDMA/irdma: Fixed a deadlock that occurred during netdev reset with active connections. This issue was addressed by preventing the deadlock that occurs when the netdev function is executed during a device reset while RDMA...

SIMATIC CN 4100 resource management error vulnerability

The SIMATIC CN 4100 is an Siemens industrial communication device used for industrial network connections and control communications. The Siemens SIMATIC CN 4100 has a resource management vulnerability. This vulnerability arises due to applications not properly restricting unauthorized connection...

CVE-2026-42062

ELECOM wireless LAN access point devices contain an OS command injection in processing of username parameter. If processing a crafted request, an arbitrary OS command may be executed. No authentication is required...

CVE-2026-43454

A flaw was found in the Linux kernel's netfilter nftables component. This vulnerability allows for duplicate device registration when handling network device registration notifications. Such duplicate registrations can lead to unexpected system behavior or instability...

CVE-2026-43422

Rejected reason: This CVE ID has been rejected or withdrawn by its CVE Numbering Authority...

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

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-2026-39083

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...

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...

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...