CVE-2026-43454

HighCVSS 7.8/10Last modified Jun 17, 2026

Description

In the Linux kernel, the following vulnerability has been resolved:

netfilter: nf_tables: Fix for duplicate device in netdev hooks

When handling NETDEV_REGISTER notification, duplicate device registration must be avoided since the device may have been added by nft_netdev_hook_alloc() already when creating the hook.

Metrics

CVSS 3.1 7.8/10CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

Affected software

No affected versions have been published.

Timeline

Published
May 8, 2026
Last modified
Jun 17, 2026
NVD status
Analyzed

Related CVEs from 2026

CVE-2026-434555.5In the Linux kernel, the following vulnerability has been resolved: mctp: route: hold key->lock in mctp_flow_prepare_output() mctp_flow_prCVE-2026-434567.8In the Linux kernel, the following vulnerability has been resolved: bonding: fix type confusion in bond_setup_by_slave() kernel BUG at netCVE-2026-434575.5In the Linux kernel, the following vulnerability has been resolved: mctp: i2c: fix skb memory leak in receive path When 'midev->allow_rx' CVE-2026-434587.8In the Linux kernel, the following vulnerability has been resolved: serial: caif: hold tty->link reference in ldisc_open and ser_release ACVE-2026-434597.3In the Linux kernel, the following vulnerability has been resolved: ASoC: soc-core: flush delayed work before removing DAIs and widgets WhCVE-2026-43466.8The vulnerability affecting TL-WR850N v3 allows cleartext storage of administrative and Wi-Fi credentials in a region of the device’s flash CVE-2026-434607.8In the Linux kernel, the following vulnerability has been resolved: spi: rockchip-sfc: Fix double-free in remove() callback The driver useCVE-2026-434617.8In the Linux kernel, the following vulnerability has been resolved: spi: amlogic: spifc-a4: Fix DMA mapping error handling Fix three bugs CVE-2026-434627.5In the Linux kernel, the following vulnerability has been resolved: net: spacemit: Fix error handling in emac_tx_mem_map() The DMA mappingCVE-2026-434635.5In the Linux kernel, the following vulnerability has been resolved: rxrpc, afs: Fix missing error pointer check after rxrpc_kernel_lookup_pCVE-2026-434647.5In the Linux kernel, the following vulnerability has been resolved: net/mlx5e: RX, Fix XDP multi-buf frag counting for legacy RQ XDP multiCVE-2026-434659.8In the Linux kernel, the following vulnerability has been resolved: net/mlx5e: RX, Fix XDP multi-buf frag counting for striding RQ XDP mul
CVE-2026-43454: High severity, CVSS 7.8 | Vulnix