CVE-2026-43283

HIGH

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

Title source: cna

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.

References (8)

Core 8

Core References

https://git.kernel.org/stable/c/0f589ee54fd6d76d3f75e745f7f12c64cbd749e5

https://git.kernel.org/stable/c/accd0599bc8e73b962247c6c6c70ca7aa1f8e8d0

https://git.kernel.org/stable/c/8320727be7ff704e07c87624efc2a4a75f54b3ce

https://git.kernel.org/stable/c/1e300c33ef3cc544c2b9c693778fe9490cfe9184

https://git.kernel.org/stable/c/1b1371cd4032ae859838ebc74215f569987bb197

https://git.kernel.org/stable/c/1b1d3c5d58a80a19d017a409aa2308162bab5bbf

https://git.kernel.org/stable/c/7e54ff938bebb173822b4c38b33fc164c1cabf92

https://git.kernel.org/stable/c/ffe68c3766997d82e9ccaf1cdbd47eba269c4aa2

Scores

CVSS v3 8.8

EPSS 0.0001

EPSS Percentile 2.6%

Attack Vector LOCAL

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

Details

Status published

Products (20)

Linux/Linux < 3.15

Linux/Linux 3.15

Linux/Linux 5.10.252 - 5.10.*

Linux/Linux 5.15.202 - 5.15.*

Linux/Linux 6.1.165 - 6.1.*

Linux/Linux 6.12.75 - 6.12.*

Linux/Linux 6.18.16 - 6.18.*

Linux/Linux 6.19.6 - 6.19.*

Linux/Linux 6.6.128 - 6.6.*

Linux/Linux 6af55ff52b02d492d45db88df3e461fa51a6f753 - 0f589ee54fd6d76d3f75e745f7f12c64cbd749e5

... and 10 more

Published May 06, 2026

Tracked Since May 06, 2026