CVE-2026-43283

High

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.

SeverityHigh
CVSS8.8
Exploit probability—
ProductLinux Kernel
PublishedMay 6, 2026
First seenMay 6, 2026

How to fix

Update
  • linux linux_kernel5.10.252, 5.15.202, 6.1.165, 6.6.128, 6.12.75, 6.18.16, 6.19.6 or later

Affected products

ProductAffected versionsFixed in
linux linux_kernel3.15.1 ≤ v < 5.10.252, 5.11 ≤ v < 5.15.202, 5.16 ≤ v < 6.1.165, 6.2 ≤ v < 6.6.128, 6.7 ≤ v < 6.12.75, 6.13 ≤ v < 6.18.16, 6.19 ≤ v < 6.19.6, 3.155.10.252, 5.15.202, 6.1.165, 6.6.128, 6.12.75, 6.18.16, 6.19.6

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CVE-2026-43283 · Linux Kernel · Dark Radar