CVE 8.8 HIGH

net: ethernet: ec_bhf: Fix dma_free_coherent() dma handle_CVE-2026-43283

8.8 / 10
HIGH
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H

Description

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.

AI Analysis

A vulnerability in the Linux kernel's dma_free_coherent() function could lead to improper unmapping of the buffer, potentially causing a denial of service or other security issues.

Basic Information

ID CVE-2026-43283
Source Linux
Published May 6, 2026 at 11:29
Modified May 8, 2026 at 12:41

Affected Product

Vendor Linux
Product Linux
Version 6af55ff52b02d492d45db88df3e461fa51a6f753
Affected Versions Linux Linux 6af55ff52b02d492d45db88df3e461fa51a6f753
Linux Linux 6af55ff52b02d492d45db88df3e461fa51a6f753
Linux Linux 6af55ff52b02d492d45db88df3e461fa51a6f753
Linux Linux 6af55ff52b02d492d45db88df3e461fa51a6f753
Linux Linux 6af55ff52b02d492d45db88df3e461fa51a6f753
Linux Linux 6af55ff52b02d492d45db88df3e461fa51a6f753
Linux Linux 6af55ff52b02d492d45db88df3e461fa51a6f753
Linux Linux 6af55ff52b02d492d45db88df3e461fa51a6f753
Linux Linux 3.15

AI Assessment

AI Score 8.8 / 10
AI Severity High
Vendor Linux
Product Linux Kernel
Version 6af55ff52b02d492d45db88df3e461fa51a6f753

References

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