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

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

Name of the Vulnerable Software and Affected Versions Linux kernel affected versions not specified Description An issue exists in the handling of ACKALL packets within the rxrpc module. The function rxrpc input ackall accepts ACKALL packets without verifying if the call is in a state that can...