CVE-2026-43283
High
net: ethernet: ec_bhf: Fix dma_free_coherent() dma handle
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.
Exploit probability
0.1%
Published
May 6, 2026
Required by
Not available
Last source change
August 12, 2026
02 / AFFECTED SOFTWARE
Affected packages
03 / CONNECTIONS
Connected vulnerabilities
04 / EVIDENCE
Source records
Open Source Vulnerabilities
CVE-2026-43283
View original source
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.
05 / REFERENCES
Further evidence
- https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git
- https://git.kernel.org/stable/c/0f589ee54fd6d76d3f75e745f7f12c64cbd749e5
- https://git.kernel.org/stable/c/1b1371cd4032ae859838ebc74215f569987bb197
- https://git.kernel.org/stable/c/1b1d3c5d58a80a19d017a409aa2308162bab5bbf
- https://git.kernel.org/stable/c/1e300c33ef3cc544c2b9c693778fe9490cfe9184
- https://git.kernel.org/stable/c/7e54ff938bebb173822b4c38b33fc164c1cabf92
- https://git.kernel.org/stable/c/8320727be7ff704e07c87624efc2a4a75f54b3ce
- https://git.kernel.org/stable/c/accd0599bc8e73b962247c6c6c70ca7aa1f8e8d0
- https://git.kernel.org/stable/c/ffe68c3766997d82e9ccaf1cdbd47eba269c4aa2
- https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/43xxx/CVE-2026-43283.json
- https://nvd.nist.gov/vuln/detail/CVE-2026-43283