CVE-2026-43149 — net: wan/fsl_ucc_hdlc: Fix dma_free_coherent() in uhdlc_memclean()
In the Linux kernel, the following vulnerability has been resolved: net: wan/fsl_ucc_hdlc: Fix dma_free_coherent() in uhdlc_memclean() The priv->rx_buffer and priv->tx_buffer …
Published: 2026-05-06 · CVSS: Unscored
In the Linux kernel, the following vulnerability has been resolved: net: wan/fsl_ucc_hdlc: Fix dma_free_coherent() in uhdlc_memclean() The priv->rx_buffer and priv->tx_buffer are alloc'd together as contiguous buffers in uhdlc_init() but freed as two buffers in uhdlc_memclean(). Change the cleanup to only call dma_free_coherent() once on the whole buffer.
Source: CVE Program · Revision 8b16575c39f1e1810c5e863010da073d2d3285e7