CVE-2026-72404 tipc: fix UAF in cleanup_bearer() due to premature dst_cache_destroy()

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:...

CVE-2026-72404 tipc: fix UAF in cleanup_bearer() due to premature dst_cache_destroy()

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:...

Linux Distros Unpatched Vulnerability : CVE-2026-72404

"The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - tipc: fix UAF in cleanupbearer due to premature dstcachedestroy TIPC UDP media bearer teardown calls dstcachedestroy on its replicast caches before calling...

Unity Linux 20.1070e Security Update: kernel (UTSA-2025-989662)

"The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2025-989662 advisory. In the Linux kernel, the following vulnerability has been resolved: tipc: fix NULL deref in cleanupbearer syzbot found 1 that after blamed commit, ub-ubsock-sk was...

CVE-2024-56661 tipc: fix NULL deref in cleanup_bearer()

In the Linux kernel, the following vulnerability has been resolved: tipc: fix NULL deref in cleanupbearer syzbot found 1 that after blamed commit, ub-ubsock-sk was NULL when attempting the atomicdec : atomicdec&tipcnetsocknetub-ubsock-sk-wqcount; Fix this by caching the tipcnet pointer. 1 Oops:...

CVE-2024-56661 tipc: fix NULL deref in cleanup_bearer()

In the Linux kernel, the following vulnerability has been resolved: tipc: fix NULL deref in cleanupbearer syzbot found 1 that after blamed commit, ub-ubsock-sk was NULL when attempting the atomicdec : atomicdec&tipcnetsocknetub-ubsock-sk-wqcount; Fix this by caching the tipcnet pointer. 1 Oops:...

CVE-2024-56642

CVE-2024-56642 fixes a Linux kernel tipc use-after-free involving UDP sockets in cleanup_bearer(). The bug occurred when bearer_disable() leads to tipc_udp_disable(), and cleanup_bearer() decrements tipc_net(net)->wq_count too early, allowing a socket to be freed before its cleanup work comple...

CVE-2024-56642 tipc: Fix use-after-free of kernel socket in cleanup_bearer().

In the Linux kernel, the following vulnerability has been resolved: tipc: Fix use-after-free of kernel socket in cleanupbearer. syzkaller reported a use-after-free of UDP kernel socket in cleanupbearer without repro. 01 When bearerdisable calls tipcudpdisable, cleanup of the UDP kernel socket is...