UBUNTU-CVE-2026-74255

In the Linux kernel, the following vulnerability has been resolved: tipc: fix UAF in tipcl2sendmsg Syzbot reported a slab-use-after-free in ipvlanhardheader when called from tipcl2sendmsg. The root cause is that tipcdisablel2media calls synchronizenet while b-mediaptr is still valid. This allows...

CVE-2026-74255

The CVE affects the Linux kernel’s TIPC path, detailing a use-after-free in ipvlan_hard_header() invoked from tipc_l2_send_msg(). The root cause is tipc_disable_l2_media() calling synchronize_net() while b->media_ptr is still valid, allowing concurrent RCU readers to obtain a freed device poin...

CVE-2026-74255 tipc: fix UAF in tipc_l2_send_msg()

In the Linux kernel, the following vulnerability has been resolved: tipc: fix UAF in tipcl2sendmsg Syzbot reported a slab-use-after-free in ipvlanhardheader when called from tipcl2sendmsg. The root cause is that tipcdisablel2media calls synchronizenet while b-mediaptr is still valid. This allows...

EUVD-2026-59402

In the Linux kernel, the following vulnerability has been resolved: tipc: fix UAF in tipcl2sendmsg Syzbot reported a slab-use-after-free in ipvlanhardheader when called from tipcl2sendmsg. The root cause is that tipcdisablel2media calls synchronizenet while b-mediaptr is still valid. This allows...

CVE-2024-26663 tipc: Check the bearer type before calling tipc_udp_nl_bearer_add()

In the Linux kernel, the following vulnerability has been resolved: tipc: Check the bearer type before calling tipcudpnlbeareradd syzbot reported the following general protection fault 1: general protection fault, probably for non-canonical address 0xdffffc0000000010: 0000 1 PREEMPT SMP KASAN...