CVE-2025-21701

CVE-2025-21701 : In the Linux kernel, a race existed between device unregistration and ethnl operations (ethnl_set_channels, ethtool checks) that could occur when a network device is being unregistered while its channels are modified. The issue arose because unregister_netdevice_many_notify could...

CVE-2021-45095

CVE-2021-45095 affects the Linux kernel PhoNet (pep_sock_accept in net/phonet/pep.c). Root cause: reference-count leak in certain error paths, enabling memory exhaustion. Affected: Linux kernel up to 5.15.x (examples cite 5.15.8); remediation: patch released, kernels updated to 5.15.18.1-1 (Marin...

CVE-2022-48833

CVE-2022-48833 involves the btrfs code in the Linux kernel. After patches addressing: (1) btrfs: clear extent buffer uptodate when we fail to write it and (2) btrfs: check WRITE_ERR when reading an extent buffer, unmounts could leave space reservations in block groups/log tree extents uncleared i...

CVE-2026-43432

CVE-2026-43432 relates to the Linux kernel USB xHCI driver. The error path in usb/xhci_disable_slot() previously freed only the command structure (via kfree), leaking the associated completion structure. The patch changes the code to call xhci_free_command() , which frees both the command structu...