CVE-2026-43283

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

HIGH

8.8

CVSS Score

Published: May 6, 2026 at 11:29 AM UTC

Updated: August 5, 2026 at 01:24 PM UTC

1 product affected across 1 vendorLinux Kernel

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Severity

HIGH8.8

Exploit prediction

EPSS 0.1%

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.

Affected

Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.

Linux Kernel · Linux

95%

3.15 ≤ v < 5.10.2523.15 ≤ v < 5.15.2023.15 ≤ v < 6.1.1653.15 ≤ v < 6.12.753.15 ≤ v < 6.18.163.15 ≤ v < 6.19.63.15 ≤ v < 6.6.1283.15 ≤ v < 7.03.15.1 ≤ v < 5.10.2525.11 ≤ v < 5.15.2025.16 ≤ v < 6.1.1656.13 ≤ v < 6.18.166.19 ≤ v < 6.19.66.2 ≤ v < 6.6.1286.7 ≤ v < 6.12.753.15 3.15 rc7 3.15 rc86af55ff52b02d492d45db88df3e461fa51a6f753

Vendor states this is fixed in 0f589ee54fd6d76d3f75e745f7f12c64cbd749e5 (fixed)

Vendor states this is fixed in 1b1371cd4032ae859838ebc74215f569987bb197 (fixed)

Vendor states this is fixed in 1b1d3c5d58a80a19d017a409aa2308162bab5bbf (fixed)

Vendor states this is fixed in 1e300c33ef3cc544c2b9c693778fe9490cfe9184 (fixed)

Vendor states this is fixed in 7e54ff938bebb173822b4c38b33fc164c1cabf92 (fixed)

Vendor states this is fixed in 8320727be7ff704e07c87624efc2a4a75f54b3ce (fixed)

Vendor states this is fixed in accd0599bc8e73b962247c6c6c70ca7aa1f8e8d0 (fixed)

Vendor states this is fixed in ffe68c3766997d82e9ccaf1cdbd47eba269c4aa2 (fixed)

Vendor states this is fixed in 3.15 (unaffected)

Vendor states this is fixed in 5.10.252 (unaffected)

Vendor states this is fixed in 5.15.202 (unaffected)

Vendor states this is fixed in 6.1.165 (unaffected)