CVE-2026-72071

The CVE-2026-72071 entry describes a Linux kernel issue in tracing/user_events where use-after-free can occur in user_event_mm_dup() during fork. The root cause is a lockless RCU walk of the parent mm enabler list (without taking event_mutex) followed by immediate free operations: user_event_put(...

CVE-2026-72071 tracing/user_events: Fix use-after-free in user_event_mm_dup()

In the Linux kernel, the following vulnerability has been resolved: tracing/userevents: Fix use-after-free in usereventmmdup usereventmmdup walks the parent mm's enabler list locklessly under rcureadlock during fork from copyprocess; it does not take eventmutex: rcureadlock;...

PT-2026-72260

In the Linux kernel, the following vulnerability has been resolved: tracing/user events: Fix use-after-free in user event mm dup user event mm dup walks the parent mm's enabler list locklessly under rcu read lock during fork from copy process; it does not take event mutex: rcu read lock; list for...

Linux Distros Unpatched Vulnerability : CVE-2026-68177

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - tracing: Delay module ref count for enableevent trigger Triggers are now delayed from freeing, but can still be triggered until after the RCU grace period has...

UBUNTU-CVE-2026-68177

In the Linux kernel, the following vulnerability has been resolved: tracing: Delay module ref count for "enableevent" trigger Triggers are now delayed from freeing, but can still be triggered until after the RCU grace period has ended. The freeing of the enableevent data is put into the...

CVE-2026-68177

In the Linux kernel, the following vulnerability has been resolved: tracing: Delay module ref count for "enableevent" trigger Triggers are now delayed from freeing, but can still be triggered until after the RCU grace period has ended. The freeing of the enableevent data is put into the...

UBUNTU-CVE-2026-68398

In the Linux kernel, the following vulnerability has been resolved: ppp: defer channel free to an RCU grace period to fix pppol2tp RX UAF pppol2tprecv runs in the L2TP UDP-encap softirq RX path: l2tpudpencaprecv - l2tprecvcommon - pppol2tprecv - pppinput&po-chan It runs under rcureadlock holding...

EUVD-2026-55584

In the Linux kernel, the following vulnerability has been resolved: ppp: defer channel free to an RCU grace period to fix pppol2tp RX UAF pppol2tprecv runs in the L2TP UDP-encap softirq RX path: l2tpudpencaprecv - l2tprecvcommon - pppol2tprecv - pppinput&po-chan It runs under rcureadlock holding...

CVE-2026-68398

CVE-2026-68398 is a Linux kernel UAF in PPPoL2TP: pppol2tp_recv() can dereference a freed internal PPP channel when a bound-but-unattached channel is closed, leading to potential local escalation. The fix defers freeing the channel to an RCU callback (call_rcu) to ensure a grace period for in-fli...

CVE-2026-68177

The CVE-2026-68177 entry describes a Linux kernel tracing vulnerability in which delaying the release of a module that contains an active enable/disable event leads to use-after-free if the module is removed while still referenced by an event. The underlying issue is that the module refcount is r...

Astra Linux – Vulnerability found in Linux 6.12, Linux 6.1

In the Linux kernel, the following vulnerability has been resolved: netfilter: nftables: Unconditionally sets set-nelems before inserting an element. In the event that the set is full, a new element is inserted and then removed without waiting for the RCU grace period. Meanwhile, the RCU reader m...

Astra Linux – Vulnerability found in Linux 6.12, Linux 6.1

In the Linux kernel, the following vulnerabilities have been resolved: nfsd: Locking is provided for v4endgrace. Writing to v4endgrace can cause a race condition with server shutdown, resulting in memory being accessed after it has been freed—especially in the case of reclaimstrhashtbl. We cannot...

Linux Distros Unpatched Vulnerability : CVE-2026-68398

"The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - ppp: defer channel free to an RCU grace period to fix pppol2tp RX UAF pppol2tprecv runs in the L2TP UDP-encap softirq RX path: l2tpudpencaprecv - l2tprecvcommo...

Astra Linux – Vulnerability found in Linux 6.1, Linux 6.12

In the Linux kernel, the following vulnerability has been resolved: bpf: The reuseport cBPF prog is freed after the RCU grace period. Eulgyu Kim reported the issue below with a reproduction example. The reproduction example sets up a UDP reuseport group with a cBPF prog and replaces it with a new...

CVE-2025-14073 WooCommerce PayPal Payments <= 3.3.2 - Unauthenticated Sensitive Information Disclosure

The WooCommerce PayPal Payments plugin for WordPress is vulnerable to Sensitive Information Disclosure due to an Insecure Direct Object Reference in all versions up to, and including, 3.3.2 via the enqueuepaypalinsightsscriptonorderreceived function due to missing validation on a user controlled...

CVE-2025-14073

The CVE-2025-14073 entry concerns the WooCommerce PayPal Payments plugin for WordPress (affected versions up to 3.3.2). It describes an Insecure Direct Object Reference flaw in the enqueue_paypal_insights_script_on_order_received() function caused by missing validation on a user-controlled key. T...

SUSE CVE-2026-64459

In the Linux kernel, the following vulnerability has been resolved: tcp: restore RCU grace period in tcpaodestroysock Commit 51e547e8c89c "tcp: Free TCP-AO/TCP-MD5 info/keys without RCU" removed the callrcu callback from tcpaodestroysock, arguing that "the destruction of info/keys is delayed unti...

SUSE CVE-2026-64525

In the Linux kernel, the following vulnerability has been resolved: xfrm: move policybydst RCU sync from per-netns .exit to .preexit The struct pernetoperations docstring in include/net/netnamespace.h explicitly warns against blocking RCU primitives in .exit handlers: Exit methods using blocking...

CVE-2026-64459

In the Linux kernel, the following vulnerability has been resolved: tcp: restore RCU grace period in tcpaodestroysock Commit 51e547e8c89c "tcp: Free TCP-AO/TCP-MD5 info/keys without RCU" removed the callrcu callback from tcpaodestroysock, arguing that "the destruction of info/keys is delayed unti...

UBUNTU-CVE-2026-64459

In the Linux kernel, the following vulnerability has been resolved: tcp: restore RCU grace period in tcpaodestroysock Commit 51e547e8c89c "tcp: Free TCP-AO/TCP-MD5 info/keys without RCU" removed the callrcu callback from tcpaodestroysock, arguing that "the destruction of info/keys is delayed unti...