CVE-2026-46064

CVE-2026-46064 affects the Linux kernel’s ibmasm_send_i2o_message, where the copy size is derived from user-controlled dot_command_header fields and not validated against allocation size. This can let an attacker perform a heap over-read by memcpy_toio(), reaching up to ~65 KB beyond the allocate...

UBUNTU-CVE-2026-23063

In the Linux kernel, the following vulnerability has been resolved: uacce: ensure safe queue release with state management Directly calling putqueue carries risks since it cannot guarantee that resources of uaccequeue have been fully released beforehand. So adding a stopqueue operation for the...

CVE-2026-23069

CVE-2026-23069 (Linux kernel) : In vsock/virtio, the credit calculation in virtio_transport_get_credit() can underflow when the peer’s advertised buffer (peer_buf_alloc) shrinks while data is in flight, potentially allowing more data to be queued than the peer can handle. The issue arises from un...

CVE-2023-53685

In the Linux kernel, the following vulnerability has been resolved: tun: Fix memory leak for detached NAPI queue. syzkaller reported 0 memory leaks of sk and skb related to the TUN device with no repro, but we can reproduce it easily with: struct ifreq ifr = int fdtun, fdtmp; char buf4 = ; fdtun ...