SUSE 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...

EUVD-2026-27592

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-2026-43091

The CVE-2026-43091 vulnerability affects the Linux kernel xfrm policy handling during netns exit. The root cause is that xfrm_policy_fini() frees the policy_bydst hash tables after flushing work items and deleting policies, but does not wait for concurrent RCU readers to exit read-side critical s...

PT-2026-37401

Name of the Vulnerable Software and Affected Versions Linux kernel affected versions not specified Description An issue exists in the xfrm component where the xfrm policy fini function frees the policy bydst hash tables after flushing policy work items and deleting policies without waiting for...

Linux Distros Unpatched Vulnerability : CVE-2026-31579

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - wireguard: device: use exitrtnl callback instead of manual rtnllock in preexit wgnetnspreexit manually acquires rtnllock inside the pernet .preexit callback. Th...

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 wireguard: device: use exit_rtnl callback instead of manual rtnl_lock in pre_exit

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...

SUSE CVE-2026-31516

In the Linux kernel, the following vulnerability has been resolved: xfrm: prevent policyhthresh.work from racing with netns teardown A XFRMMSGNEWSPDINFO request can queue the per-net work item policyhthresh.work onto the system workqueue. The queued callback, xfrmhashrebuild, retrieves the...

EUVD-2026-24900

In the Linux kernel, the following vulnerability has been resolved: xfrm: prevent policyhthresh.work from racing with netns teardown A XFRMMSGNEWSPDINFO request can queue the per-net work item policyhthresh.work onto the system workqueue. The queued callback, xfrmhashrebuild, retrieves the...

CVE-2026-31516

In the Linux kernel, the following vulnerability has been resolved: xfrm: prevent policyhthresh.work from racing with netns teardown A XFRMMSGNEWSPDINFO request can queue the per-net work item policyhthresh.work onto the system workqueue. The queued callback, xfrmhashrebuild, retrieves the...

CVE-2026-31516

The CVE-2026-31516 relates to the Linux kernel XFRM subsystem. A race occurs during net namespace teardown when a work item (policy_hthresh.work) queued by XFRM_MSG_NEWSPDINFO may run after the netns is freed, allowing xfrm_hash_rebuild() to dereference a freed struct net (potential use-after-fre...

CVE-2026-31516 xfrm: prevent policy_hthresh.work from racing with netns teardown

In the Linux kernel, the following vulnerability has been resolved: xfrm: prevent policyhthresh.work from racing with netns teardown A XFRMMSGNEWSPDINFO request can queue the per-net work item policyhthresh.work onto the system workqueue. The queued callback, xfrmhashrebuild, retrieves the...

CVE-2026-31516 xfrm: prevent policy_hthresh.work from racing with netns teardown

In the Linux kernel, the following vulnerability has been resolved: xfrm: prevent policyhthresh.work from racing with netns teardown A XFRMMSGNEWSPDINFO request can queue the per-net work item policyhthresh.work onto the system workqueue. The queued callback, xfrmhashrebuild, retrieves the...

PT-2026-34421

Name of the Vulnerable Software and Affected Versions Linux kernel affected versions not specified Description A race condition exists in the xfrm component where a 'XFRM MSG NEWSPDINFO' request can queue the policy hthresh.work work item onto the system workqueue. The callback function xfrm hash...

Unity Linux 20.1070e Security Update: kernel (UTSA-2026-013359)

The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2026-013359 advisory. In the Linux kernel, the following vulnerability has been resolved: netfilter: nftables: use timestamp to check for set element timeout Add a timestamp field at the...

Unity Linux 20.1070a Security Update: kernel (UTSA-2026-012986)

The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2026-012986 advisory. In the Linux kernel, the following vulnerability has been resolved: netfilter: nftables: use timestamp to check for set element timeout Add a timestamp field at the...

Unity Linux 20.1050e / 20.1060e / 20.1070e Security Update: kernel (UTSA-2026-007512)

The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2026-007512 advisory. In the Linux kernel, the following vulnerability has been resolved: ppp: associate skb with a device at tx Syzkaller triggered flow dissector warning with the...

Unity Linux 20.1050e Security Update: kernel (UTSA-2026-006645)

The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2026-006645 advisory. In the Linux kernel, the following vulnerability has been resolved: rds: sysctl: rdstcprcv,sndbuf: avoid using current-nsproxy As mentioned in a previous commit of...

Astra Linux – Vulnerability in Linux 6.1

In the Linux kernel, the following vulnerability has been resolved: ipvs: Deferring the unregistration of ipvsftp during netns cleanup. During the netns cleanup process, ipvsftpexit may unregister ipvsftp before all connections with valid cp-app pointers are flushed, leading to a use-after-free...

CVE-2026-23169 mptcp: fix race in mptcp_pm_nl_flush_addrs_doit()

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...