CVE-2026-43149
MediumSummary
A vulnerability has been identified in the Linux kernel related to improper memory deallocation in the uhdlc_memclean() function. The rx_buffer and tx_buffer are allocated as contiguous but freed as two separate buffers, which may lead to memory management issues.
Risk Assessment
Improper memory management may lead to memory leaks or other stability issues, posing a threat to the security of applications running on this kernel.
Recommendation
It is recommended to update the Linux kernel to the latest version to mitigate this vulnerability and improve memory management.
Original NVD description (English source)
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 cleanu