CVE-2026-74492

In the Linux kernel, the following vulnerability has been resolved: netfilter: ipset: do not update comments from kernel-side hash adds mtyperesize copies comment pointers with memcpy, not the comment objects themselves. During the window after an entry has been copied but before the table swap a...

UBUNTU-CVE-2026-74492

In the Linux kernel, the following vulnerability has been resolved: netfilter: ipset: do not update comments from kernel-side hash adds mtyperesize copies comment pointers with memcpy, not the comment objects themselves. During the window after an entry has been copied but before the table swap a...

CVE-2026-74492

In the Linux kernel, the following vulnerability has been resolved: netfilter: ipset: do not update comments from kernel-side hash adds mtyperesize copies comment pointers with memcpy, not the comment objects themselves. During the window after an entry has been copied but before the table swap a...

CVE-2026-74492

The CVE-2026-74492 entry concerns the Linux kernel netfilter ipset subsystem. Technical description across official and vendor advisories shows that during resize operations, mtype_resize() copies only comment pointers, while the old table is published for packet-side updates before the replaceme...

CVE-2026-74492 netfilter: ipset: do not update comments from kernel-side hash adds

In the Linux kernel, the following vulnerability has been resolved: netfilter: ipset: do not update comments from kernel-side hash adds mtyperesize copies comment pointers with memcpy, not the comment objects themselves. During the window after an entry has been copied but before the table swap a...

CVE-2026-74492

In the Linux kernel, the following vulnerability has been resolved: netfilter: ipset: do not update comments from kernel-side hash adds mtyperesize copies comment pointers with memcpy, not the comment objects themselves. During the window after an entry has been copied but before the table swap a...

CVE-2026-74492 netfilter: ipset: do not update comments from kernel-side hash adds

In the Linux kernel, the following vulnerability has been resolved: netfilter: ipset: do not update comments from kernel-side hash adds mtyperesize copies comment pointers with memcpy, not the comment objects themselves. During the window after an entry has been copied but before the table swap a...

EUVD-2026-59685

In the Linux kernel, the following vulnerability has been resolved: netfilter: ipset: do not update comments from kernel-side hash adds mtyperesize copies comment pointers with memcpy, not the comment objects themselves. During the window after an entry has been copied but before the table swap a...

AZL-96341 CVE-2026-72434 affecting package kernel 6.6.150.1-1

In the Linux kernel, the following vulnerability has been resolved: netfilter: ipset: make sure gc is properly stopped Sashiko noticed that when destroying a set, canceldelayedworksync was called while gc calls queuedelayedwork unconditionally which can lead not to properly shutting down the gc...

CVE-2026-72435

In the Linux kernel, the following vulnerability has been resolved: netfilter: ipset: fix order of kfreercu and rcuassignpointer Sashiko pointed out that kfreercu was called before rcuassignpointer in handling the comment extension. Fix the order so that rcuassignpointer called first...

CVE-2026-72436

In the Linux kernel, the following vulnerability has been resolved: netfilter: ipset: Don't use testbit in lockless RCU readers in hash types Sashiko pointed out that there are a few lockless RCU readers using testbit which is a relaxed atomic operation and provides no memory barrier guarantees...

CVE-2026-72434

In the Linux kernel, the following vulnerability has been resolved: netfilter: ipset: make sure gc is properly stopped Sashiko noticed that when destroying a set, canceldelayedworksync was called while gc calls queuedelayedwork unconditionally which can lead not to properly shutting down the gc...

CVE-2026-72434

In the Linux kernel, the following vulnerability has been resolved: netfilter: ipset: make sure gc is properly stopped Sashiko noticed that when destroying a set, canceldelayedworksync was called while gc calls queuedelayedwork unconditionally which can lead not to properly shutting down the gc...

UBUNTU-CVE-2026-72436

In the Linux kernel, the following vulnerability has been resolved: netfilter: ipset: Don't use testbit in lockless RCU readers in hash types Sashiko pointed out that there are a few lockless RCU readers using testbit which is a relaxed atomic operation and provides no memory barrier guarantees...

CVE-2026-72435

In the Linux kernel, the following vulnerability has been resolved: netfilter: ipset: fix order of kfreercu and rcuassignpointer Sashiko pointed out that kfreercu was called before rcuassignpointer in handling the comment extension. Fix the order so that rcuassignpointer called first...

UBUNTU-CVE-2026-72435

In the Linux kernel, the following vulnerability has been resolved: netfilter: ipset: fix order of kfreercu and rcuassignpointer Sashiko pointed out that kfreercu was called before rcuassignpointer in handling the comment extension. Fix the order so that rcuassignpointer called first...

CVE-2026-72436

In the Linux kernel, the following vulnerability has been resolved: netfilter: ipset: Don't use testbit in lockless RCU readers in hash types Sashiko pointed out that there are a few lockless RCU readers using testbit which is a relaxed atomic operation and provides no memory barrier guarantees...

UBUNTU-CVE-2026-72434

In the Linux kernel, the following vulnerability has been resolved: netfilter: ipset: make sure gc is properly stopped Sashiko noticed that when destroying a set, canceldelayedworksync was called while gc calls queuedelayedwork unconditionally which can lead not to properly shutting down the gc...

CVE-2026-72436 netfilter: ipset: Don't use test_bit() in lockless RCU readers in hash types

In the Linux kernel, the following vulnerability has been resolved: netfilter: ipset: Don't use testbit in lockless RCU readers in hash types Sashiko pointed out that there are a few lockless RCU readers using testbit which is a relaxed atomic operation and provides no memory barrier guarantees...

CVE-2026-72436

The CVE-2026-72436 affects the Linux kernel netfilter ipset code. It arises from using test_bit() in lockless RCU readers within hash types, which is a relaxed atomic lacking memory barriers. The fix replaces test_bit() with test_bit_acquire() in code paths that may run parallel with add/del/gc, ...