CVE-2026-74609

In the Linux kernel, the following vulnerability has been resolved: tipc: read le-link under the node lock in tipcnodelinkdown tipcnodelinkdown caches the link pointer before taking n-lock: struct tipclink l = le-link; / unlocked / if !l return; tipcnodewritelockn; if !tipclinkisestablishingl /...

CVE-2026-74609

CVE-2026-74609 is a use-after-free vulnerability in the Linux kernel's TIPC subsystem, specifically in tipc_node_link_down() (net/tipc/node.c). The function caches the le->link pointer before acquiring the node write lock, while a concurrent delete=true caller (triggered via TIPC_NL_BEARER_DIS...

CVE-2026-74609 tipc: read le->link under the node lock in tipc_node_link_down()

In the Linux kernel, the following vulnerability has been resolved: tipc: read le-link under the node lock in tipcnodelinkdown tipcnodelinkdown caches the link pointer before taking n-lock: struct tipclink l = le-link; / unlocked / if !l return; tipcnodewritelockn; if !tipclinkisestablishingl /...

PT-2026-79614

In the Linux kernel, the following vulnerability has been resolved: tipc: read le-link under the node lock in tipc node link down tipc node link down caches the link pointer before taking n-lock: struct tipc link l = le-link; / unlocked / if !l return; tipc node write lockn; if !tipc link is...

The vulnerability of the RouterOS operating system in MikroTik routers stems from incorrect handling of the link pointer before accessing a file. This allows a hacker to install any arbitrary file anywhere on the host.

The vulnerability of the RouterOS operating system for MikroTik routers stems from an incorrect definition of the link before accessing a file. Exploiting this vulnerability allows a malicious actor to install any arbitrary file anywhere on the host...