CVE-2026-43091

In the Linux kernel, the following vulnerability has been resolved: xfrm: Wait for RCU readers during policy netns exit xfrmpolicyfini frees the policybydst hash tables after flushing the policy work items and deleting all policies, but it does not wait for concurrent RCU readers to leave their...

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...

Unity Linux 20.1070e Security Update: kernel (UTSA-2025-986536)

The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2025-986536 advisory. In the Linux kernel, the following vulnerability has been resolved: netfilter: nftables: unregister flowtable hooks on netns exit Unregister flowtable hooks before...

DEBIAN-CVE-2022-49558

In the Linux kernel, the following vulnerability has been resolved: netfilter: nftables: double hook unregistration in netns path nftreleasehooks is called from prenetns exit path which unregisters the hooks, then the NETDEVUNREGISTER event is triggered which unregisters the hooks again. 565.2214...

CVE-2024-44991

In the Linux kernel, the following vulnerability has been resolved: tcp: prevent concurrent execution of tcpskexitbatch Its possible that two threads call tcpskexitbatch concurrently, once from the cleanupnet workqueue, once from a task that failed to clone a new netns. In the latter case, error...

CVE-2022-48935

In the Linux kernel, the following vulnerability has been resolved: netfilter: nftables: unregister flowtable hooks on netns exit Unregister flowtable hooks before they are releases via nftablesflowtabledestroy otherwise hook core reports UAF. BUG: KASAN: use-after-free in...

CVE-2022-48935

In the Linux kernel, the following vulnerability has been resolved: netfilter: nftables: unregister flowtable hooks on netns exit Unregister flowtable hooks before they are releases via nftablesflowtabledestroy otherwise hook core reports UAF. BUG: KASAN: use-after-free in...

CVE-2021-47452

In the Linux kernel, the following vulnerability has been resolved: netfilter: nftables: skip netdev events generated on netns removal syzbot reported following harmless WARN: WARNING: CPU: 1 PID: 2648 at net/netfilter/core.c:468 nftnetdevunregisterhooks net/netfilter/nftablesapi.c:230 inline...

CVE-2024-35910

CVE-2024-35910: In the Linux kernel, TCP timer termination for kernel sockets was improved. Previously, inet_csk_clear_xmit_timers() stopped timers via del_timer(), which could allow in-flight kernel-timers to finish after the associated netns had been dismantled, risking use-after-free when the ...