CVE-2026-72404

In the Linux kernel, the following vulnerability has been resolved: tipc: fix UAF in cleanupbearer due to premature dstcachedestroy TIPC UDP media bearer teardown calls dstcachedestroy on its replicast caches before calling synchronizenet to wait for concurrent RCU readers transmitters to finish:...

EUVD-2026-59303

In the Linux kernel, the following vulnerability has been resolved: tipc: fix UAF in cleanupbearer due to premature dstcachedestroy TIPC UDP media bearer teardown calls dstcachedestroy on its replicast caches before calling synchronizenet to wait for concurrent RCU readers transmitters to finish:...

PT-2026-72592

In the Linux kernel, the following vulnerability has been resolved: tipc: fix UAF in cleanup bearer due to premature dst cache destroy TIPC UDP media bearer teardown calls dst cache destroy on its replicast caches before calling synchronize net to wait for concurrent RCU readers transmitters to...

CVE-2026-68323

A flaw was found in the Linux kernel's TIPC Transparent Inter-Process Communication module. A race condition exists in the handling of UDP bearer replicast list updates. This can occur when tipcudprcastadd and cleanupbearer functions attempt to update the list concurrently without proper...

EUVD-2026-55424

In the Linux kernel, the following vulnerability has been resolved: tipc: serialize udp bearer replicast list updates tipcudprcastadd and cleanupbearer both update ub-rcast.list with listaddrcu / listdelrcu, but nothing serializes them. The add runs from the encap receive softirq via...

CVE-2026-68323

A race condition was found in the Linux kernel TIPC UDP bearer replication list handling (tipc_udp_rcast_add and cleanup_bearer). Without proper serialization, updates to ub->rcast.list can corrupt the list, potentially triggering a kernel bug and denial of service. The fix adds a spinlock to ...

CVE-2026-68323 tipc: serialize udp bearer replicast list updates

In the Linux kernel, the following vulnerability has been resolved: tipc: serialize udp bearer replicast list updates tipcudprcastadd and cleanupbearer both update ub-rcast.list with listaddrcu / listdelrcu, but nothing serializes them. The add runs from the encap receive softirq via...

SUSE CVE-2026-64543

In the Linux kernel, the following vulnerability has been resolved: tipc: fix use-after-free of the discoverer in tipcdiscrcv bearerdisable frees b-disc with tipcdiscdelete's plain kfree, but tipcdiscrcv still dereferences b-disc in RX softirq under rcureadlock tipcudprecv - tipcrcv - tipcdiscrcv...

Linux Distros Unpatched Vulnerability : CVE-2026-64543

"The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - tipc: fix use-after-free of the discoverer in tipcdiscrcv bearerdisable frees b-disc with tipcdiscdelete's plain kfree, but tipcdiscrcv still dereferences b-di...

CVE-2026-64543 tipc: fix use-after-free of the discoverer in tipc_disc_rcv()

In the Linux kernel, the following vulnerability has been resolved: tipc: fix use-after-free of the discoverer in tipcdiscrcv bearerdisable frees b-disc with tipcdiscdelete's plain kfree, but tipcdiscrcv still dereferences b-disc in RX softirq under rcureadlock tipcudprecv - tipcrcv - tipcdiscrcv...

CVE-2026-64543 tipc: fix use-after-free of the discoverer in tipc_disc_rcv()

In the Linux kernel, the following vulnerability has been resolved: tipc: fix use-after-free of the discoverer in tipcdiscrcv bearerdisable frees b-disc with tipcdiscdelete's plain kfree, but tipcdiscrcv still dereferences b-disc in RX softirq under rcureadlock tipcudprecv - tipcrcv - tipcdiscrcv...

CVE-2026-64543

CVE-2026-64543 — Linux TIPC use-after-free fixed . The vulnerability occurs in tipc_disc_rcv() where the discoverer object is freed with kfree while still referenced under an RCU read-side critical section, allowing a local unprivileged user to crash the system via TIPCv2 genl interactions. The f...

CVE-2024-26663

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...

CVE-2024-26663

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...

CVE-2024-26663

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...