CVE-2026-46223

In the Linux kernel, the following vulnerability has been resolved: cgroup: Defer css percpuref kill on rmdir until cgroup is depopulated A chain of commits going back to v7.0 reworked rmdir to satisfy the controller invariant that a subsystem's -cssoffline must not run while tasks are still doin...

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-2026-24900

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 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...

SUSE CVE-2026-31403

In the Linux kernel, the following vulnerability has been resolved: NFSD: Hold net reference for the lifetime of /proc/fs/nfs/exports fd The /proc/fs/nfs/exports proc entry is created at module init and persists for the module's lifetime. exportsprocopen captures the caller's current network...

CVE-2026-31403

In the Linux kernel, the following vulnerability has been resolved: NFSD: Hold net reference for the lifetime of /proc/fs/nfs/exports fd The /proc/fs/nfs/exports proc entry is created at module init and persists for the module's lifetime. exportsprocopen captures the caller's current network...

UBUNTU-CVE-2026-31403

In the Linux kernel, the following vulnerability has been resolved: NFSD: Hold net reference for the lifetime of /proc/fs/nfs/exports fd The /proc/fs/nfs/exports proc entry is created at module init and persists for the module's lifetime. exportsprocopen captures the caller's current network...

CVE-2026-31403

In the Linux kernel, the following vulnerability has been resolved: NFSD: Hold net reference for the lifetime of /proc/fs/nfs/exports fd The /proc/fs/nfs/exports proc entry is created at module init and persists for the module's lifetime. exportsprocopen captures the caller's current network...

CVE-2026-31403 NFSD: Hold net reference for the lifetime of /proc/fs/nfs/exports fd

In the Linux kernel, the following vulnerability has been resolved: NFSD: Hold net reference for the lifetime of /proc/fs/nfs/exports fd The /proc/fs/nfs/exports proc entry is created at module init and persists for the module's lifetime. exportsprocopen captures the caller's current network...

PT-2026-30186

Name of the Vulnerable Software and Affected Versions Linux kernel affected versions not specified Description The Linux kernel contains a flaw in the Network File System Daemon NFSD related to handling network namespace references for the /proc/fs/nfs/exports file descriptor. Specifically, the...

Unity Linux 20.1050e Security Update: kernel (UTSA-2026-005135)

The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2026-005135 advisory. In the Linux kernel, the following vulnerability has been resolved: net: do not delay dstentriesadd in dstrelease dstentriesadd uses per-cpu data that might be freed...

CVE-2026-22987

CVE-2026-22987 concerns the Linux kernel net/sched subsystem. The issue arises when tcf_idrinfo_destroy() can pass an ERR_PTR(-EBUSY) as a tc_action pointer during netns teardown, leading to a dereference of an error pointer in tc_act_in_hw(). The fix adds a guard to skip ERR_PTR entries while it...

Linux Distros Unpatched Vulnerability : CVE-2026-22987

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - net/sched: actapi: avoid dereferencing ERRPTR in tcfidrinfodestroy syzbot reported a crash in tcactinhw during netns teardown where tcfidrinfodestroy passed an...

Astra Linux – Vulnerability found in Linux 6.1, Linux 6.12

In the Linux kernel, the following vulnerability has been resolved: xfrm: The interface function xfrmichangelink may incorrectly place the special interface xi in the xfrminet-xfrmi hash. This issue occurs because the check to enforce this behavior is only performed in cases where the xi value is...

kernel: tipc: Fix use-after-free in tipc_conn_close()

In the Linux kernel, the following vulnerability has been resolved: tipc: Fix use-after-free in tipcconnclose. syzbot reported a null-ptr-deref in tipcconnclose during netns dismantle. 0 tipctopsrvstop iterates tipcnetnet-topsrv-connidr and calls tipcconnclose for each tipcconn. The problem is th...

CVE-2025-38721

In the Linux kernel, the following vulnerability has been resolved: netfilter: ctnetlink: fix refcount leak on table dump There is a reference count leak in ctnetlinkdumptable: if res ctgeneral; // HERE cb-args1 = unsigned longct; ... While its very unlikely, its possible that ct == last. If this...

CVE-2025-38721 netfilter: ctnetlink: fix refcount leak on table dump

In the Linux kernel, the following vulnerability has been resolved: netfilter: ctnetlink: fix refcount leak on table dump There is a reference count leak in ctnetlinkdumptable: if res ctgeneral; // HERE cb-args1 = unsigned longct; ... While its very unlikely, its possible that ct == last. If this...

kernel: tipc: Fix use-after-free in tipc_conn_close()

In the Linux kernel, the following vulnerability has been resolved: tipc: Fix use-after-free in tipcconnclose. syzbot reported a null-ptr-deref in tipcconnclose during netns dismantle. 0 tipctopsrvstop iterates tipcnetnet-topsrv-connidr and calls tipcconnclose for each tipcconn. The problem is th...