CVE-2026-43283

net: ethernet: ec_bhf: Fix dma_free_coherent() dma handle

High · published May 6, 2026

CVSS v3.1
8.8
EPSS
0%
Percentile
6.8
In the wild
Unconfirmed
What it is

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

net: ethernet: ec_bhf: Fix dma_free_coherent() dma handle

dma_free_coherent() in error path takes priv->rx_buf.alloc_len as

the dma handle. This would lead to improper unmapping of the buffer.

Change the dma handle to priv->rx_buf.alloc_phys.

The record
Technical detail
CVSS v3.1
8.8 · HIGH
Vector
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H
CVSS v4.0
Not supplied
EPSS
0.00176 · 6.8th percentile
Published
2026-05-06T11:29Z
EPSS history
Timeline
  • 06 MAY 11:29Z
    net: ethernet: ec_bhf: Fix dma_free_coherent() dma handle
    cvelistv5