CVE-2026-64079

A flaw was found in the Linux kernel's netfilter xtables component. A race condition occurs when a network namespace netns table is registered, making it visible with a null operations ops pointer. If a pernet exit operation runs concurrently, it can attempt to unregister the table using this nul...

Linux Distros Unpatched Vulnerability : CVE-2026-64078

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - netfilter: xtables: add and use xtablesunregistertableexit Previous change added xtablesunregistertablepreexit to detach the table from the packetpath and to...

CVE-2026-64078

In the Linux kernel, the following vulnerability has been resolved: netfilter: xtables: add and use xtablesunregistertableexit Previous change added xtablesunregistertablepreexit to detach the table from the packetpath and to unlink it from the active table list. In case of rmmod, userspace that ...

CVE-2026-63914 xfrm: route MIGRATE notifications to caller's netns

In the Linux kernel, the following vulnerability has been resolved: xfrm: route MIGRATE notifications to caller's netns xfrmsendmigrate in net/xfrm/xfrmuser.c and pfkeysendmigrate in net/key/afkey.c both hardcode &initnet for the multicast that announces a successful XFRMMSGMIGRATE / SADBXMIGRATE...

Astra Linux – Vulnerability in Linux 6.1

In the Linux kernel, the following vulnerabilities have been resolved: mptcp: fixed a race condition in mptcppmnlflushaddrsdoit Eulgyu Kim reported crashes in mptcppmnlgetlocalid and/or mptcppmnlisbackup The root cause is the listspliceinit function in mptcppmnlflushaddrsdoit, which is not ready...

Astra Linux – Vulnerability in Linux, Linux 5.10

In the Linux kernel, the following vulnerabilities have been resolved: nfsd: Fixed the startup race issue with nsfd again. The commit bd5ae9288d64 "nfsd: register pernet ops last, unregister first" re-opened the race in rpcpipefsevent, which was related to the registration of nfsdnetid using...

Astra Linux – Vulnerabilities in Linux, Linux-5.10, Linux-5.15, Linux-6.1

In the Linux kernel, the following vulnerabilities have been resolved: ipv6: sr – fixed possible use-after-free and nullptrderef issues. The pernet operations structure for the subsystem must be registered before registering the generic netlink family...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: net/smc: Fixed a possible leak of the pernet namespace in smcinit. In smcinit, registerpernetsubsys&smcnetstatops is called without any error handling. If this call fails, the registration of &smcnetops will not be reversed. And ...

SUSE 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...

DEBIAN-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...

EUVD-2026-25472

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...

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...

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 20.1070a Security Update: kernel (UTSA-2026-013526)

The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2026-013526 advisory. In the Linux kernel, the following vulnerability has been resolved: net/smc: Fix possible leaked pernet namespace in smcinit In smcinit,...

Unity Linux 20.1070e Security Update: kernel (UTSA-2026-013239)

The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2026-013239 advisory. In the Linux kernel, the following vulnerability has been resolved: nfsd: Fix nsfd startup race again Commit bd5ae9288d64 nfsd: register pernet ops last, unregister...

Unity Linux 20.1070e Security Update: kernel (UTSA-2026-010880)

The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2026-010880 advisory. In the Linux kernel, the following vulnerability has been resolved: net/smc: Fix possible leaked pernet namespace in smcinit In smcinit,...

CVE-2026-23169

In the Linux kernel, the following vulnerability has been resolved: mptcp: fix race in mptcppmnlflushaddrsdoit syzbot and Eulgyu Kim reported crashes in mptcppmnlgetlocalid and/or mptcppmnlisbackup Root cause is listspliceinit in mptcppmnlflushaddrsdoit which is not RCU ready. listspliceinitrcu c...

UBUNTU-CVE-2026-23169

In the Linux kernel, the following vulnerability has been resolved: mptcp: fix race in mptcppmnlflushaddrsdoit syzbot and Eulgyu Kim reported crashes in mptcppmnlgetlocalid and/or mptcppmnlisbackup Root cause is listspliceinit in mptcppmnlflushaddrsdoit which is not RCU ready. listspliceinitrcu c...

CVE-2026-23169

In the Linux kernel, the following vulnerability has been resolved: mptcp: fix race in mptcppmnlflushaddrsdoit syzbot and Eulgyu Kim reported crashes in mptcppmnlgetlocalid and/or mptcppmnlisbackup Root cause is listspliceinit in mptcppmnlflushaddrsdoit which is not RCU ready. listspliceinitrcu c...

CVE-2026-23169

CVE-2026-23169 is a Linux kernel vulnerability where a race in mptcp_pm_nl_flush_addrs_doit() could crash the kernel. Root cause: list_splice_init() is not RCURED and cannot be called while holding pernet->lock spinlock; list_splice_init_rcu() was misusefully invoked in that context. The issue...