CVE-2026-74430

In the Linux kernel, the following vulnerability has been resolved: rxrpc: Fix ACKALL packet handling rxrpcinputackall accepts ACKALL packets without checking whether the call is in a state that can legitimately have outstanding transmit buffers. A forged ACKALL can therefore reach a new service...

UBUNTU-CVE-2026-74430

In the Linux kernel, the following vulnerability has been resolved: rxrpc: Fix ACKALL packet handling rxrpcinputackall accepts ACKALL packets without checking whether the call is in a state that can legitimately have outstanding transmit buffers. A forged ACKALL can therefore reach a new service...

CVE-2026-74430 rxrpc: Fix ACKALL packet handling

In the Linux kernel, the following vulnerability has been resolved: rxrpc: Fix ACKALL packet handling rxrpcinputackall accepts ACKALL packets without checking whether the call is in a state that can legitimately have outstanding transmit buffers. A forged ACKALL can therefore reach a new service...

CVE-2026-74430

The CVE-2026-74430 issue affects the Linux kernel’s rxrpc ACKALL handling. It allowed a forged ACKALL to reach a new service call before replies were queued, risking a null-pointer dereference when rxrpc_rotate_tx_window() dereferenced a NULL txqueue (call->tx_top was zero). The fix adds two c...

PT-2026-72866

In the Linux kernel, the following vulnerability has been resolved: rxrpc: Fix ACKALL packet handling rxrpc input ackall accepts ACKALL packets without checking whether the call is in a state that can legitimately have outstanding transmit buffers. A forged ACKALL can therefore reach a new servic...