CVE-2026-99081

The Linux kernel contains a vulnerability in the bnxt_en driver affecting BCM57412 NetXtreme-E NICs . When transmitting small packets (less than 52 bytes) on VLAN/macvlan interfaces, the driver incorrectly handles DMA mapping for padded frames. Specifically, the len variable remains unadjusted af...

CVE-2026-99081 bnxt_en: fix DMA mapping length for padded small packets

In the Linux kernel, the following vulnerability has been resolved: bnxten: fix DMA mapping length for padded small packets Stefan Fleischmann reported Intel IOMMU DMA Read faults on BCM57412 NetXtreme-E NICs when transmitting packets on VLAN/macvlan interfaces: DMAR: DMA Read NOPASID Request...

Linux kernel security vulnerabilities

A security vulnerability exists in Linux kernel version 4.4. It stems from the bnxten driver failing to adjust the length of the DMA mapping after filling packets in bnxtstartxmit; this allows hardware DMA reads to exceed the mapped buffer boundaries, potentially leading to IOMMU failures and...

Broadcom Ethernet Network Adapter Buffer Overflow DoS

The vulnerability of the bnxtstartxmit function in the drivers/net/ethernet/broadcom/bnxt/bnxt.c file of the Broadcom Ethernet network adapter driver for the Linux operating system is related to memory writing beyond the bounds of the allocated buffer. Exploiting this vulnerability could allow an...