CVE-2026-74543

In the Linux kernel, the following vulnerability has been resolved: net: udptunnel: fix memory leak in udptunnelnicunregister syzbot reported a memory leak 1 in the UDP tunnel NIC offload code. When device registration fails e.g. in registernetdevice, netdev core unwinds by sending a single...

CVE-2026-74543 net: udp_tunnel: fix memory leak in udp_tunnel_nic_unregister()

In the Linux kernel, the following vulnerability has been resolved: net: udptunnel: fix memory leak in udptunnelnicunregister syzbot reported a memory leak 1 in the UDP tunnel NIC offload code. When device registration fails e.g. in registernetdevice, netdev core unwinds by sending a single...

EUVD-2026-59736

In the Linux kernel, the following vulnerability has been resolved: net: udptunnel: fix memory leak in udptunnelnicunregister syzbot reported a memory leak 1 in the UDP tunnel NIC offload code. When device registration fails e.g. in registernetdevice, netdev core unwinds by sending a single...

PT-2026-72314

In the Linux kernel, the following vulnerability has been resolved: can: isotp: fix use-after-free race with concurrent NETDEV UNREGISTER isotp release looked up the bound network device via dev get by index using the stored ifindex. During device unregistration the device is unlisted from the...

PT-2026-72995

In the Linux kernel, the following vulnerability has been resolved: net: udp tunnel: fix memory leak in udp tunnel nic unregister syzbot reported a memory leak 1 in the UDP tunnel NIC offload code. When device registration fails e.g. in register netdevice, netdev core unwinds by sending a single...

PT-2026-72599

In the Linux kernel, the following vulnerability has been resolved: net: dsa: mxl862xx: fix use-after-free of DSA ports in crc err work Upon an MDIO CRC error mxl862xx crc err work fn walks the DSA ports and closes the CPU port conduits: dsa switch for each cpu portdp, priv-ds dev closedp-conduit...

PT-2026-73013

In the Linux kernel, the following vulnerability has been resolved: nexthop: avoid unlocked f6i list walk in nh rt cache flush nh rt cache flush walks nh-f6i list during an RTNL-serialized nexthop replace without holding nh-lock, racing the unlocked IPv6 route add/delete that mutate the list unde...

PT-2026-72975

In the Linux kernel, the following vulnerability has been resolved: qede: sync udp tunnel ports outside qede lock in the recovery path A TX timeout on a qede NIC that has VXLAN/GENEVE tunnel ports configured wedges the rtnetlink control plane of the whole machine: NETDEV WATCHDOG: ens6f1 qede:...

CVE-2026-63997

A flaw was found in the ethtool module of the Linux kernel. The moduleflashfwschedule function fails to properly undo the setting of the 'inprogress' flag and the taking of the netdev reference during module flash errors. This oversight can lead to a resource leak, preventing the device from bein...

CVE-2026-63997

In the Linux kernel, the following vulnerability has been resolved: ethtool: module: avoid leaking a netdev ref on module flash errors moduleflashfwschedule is missing undo for setting the "inprogress" flag and taking the netdev reference. Delay taking these, the device can't disappear while we a...

CVE-2026-63988 bridge: Fix sleep in atomic context in sysfs path

In the Linux kernel, the following vulnerability has been resolved: bridge: Fix sleep in atomic context in sysfs path Since the start of the git history, brportstore always acquired the bridge lock. Back then this decision made sense: The bridge lock protects the STP state of the bridge and its...

CVE-2026-46287

In the Linux kernel, the following vulnerability has been resolved: net: txgbe: fix RTNL assertion warning when remove module For the copper NIC with external PHY, the driver called phylinkconnectphy during probe and phylinkdisconnectphy during remove. It caused an RTNL assertion warning in...

CVE-2026-46287

CVE-2026-46287 concerns the Linux kernel net: txgbe driver. The issue occurs on copper NICs with external PHY where phylink_connect_phy() is called during probe and phylink_disconnect_phy() during removal, triggering an RTNL assertion warning on module removal. The root cause is lack of proper RT...

CVE-2026-46287 net: txgbe: fix RTNL assertion warning when remove module

In the Linux kernel, the following vulnerability has been resolved: net: txgbe: fix RTNL assertion warning when remove module For the copper NIC with external PHY, the driver called phylinkconnectphy during probe and phylinkdisconnectphy during remove. It caused an RTNL assertion warning in...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: ethtool: Do not perform operations on net devices that are not yet registered. There is a short period between when a net device starts to be unregistered and when it is actually removed from the list of available devices. During...

Astra Linux – Vulnerability in Linux 5.10, Linux, Linux 5.15

In the Linux kernel, the following vulnerability has been resolved: igb: Revert the rtnllock function that causes deadlock. The commit 6faee3d4ee8b “igb: Add a lock to avoid data race” adds rtnllock to eliminate a false data race as shown below: Released from device detachment | Used from netdev...

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 batadvvelpgetthroughput function calling rtnllock when the RTNL lock is held, potentially...

Linux Distros Unpatched Vulnerability : CVE-2026-43382

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - batman-adv: Avoid double-rtnllock ELP metric worker batadvvelpgetthroughput might be called when the RTNL lock is already held. This could be problematic when t...

CVE-2026-31579

A flaw was found in the Linux kernel's WireGuard component. A local user could trigger a hung task by causing contention for the rtnllock within the wgnetnspreexit callback. This issue can lead to a Denial of Service DoS, where the system becomes unresponsive as cleanup operations block...

CVE-2026-31579

In the Linux kernel, the following vulnerability has been resolved: wireguard: device: use exitrtnl callback instead of manual rtnllock in preexit wgnetnspreexit manually acquires rtnllock inside the pernet .preexit callback. This causes a hung task when another thread holds rtnlmutex - the...