CVE-2023-53801 iommu/sprd: Release dma buffer to avoid memory leak

In the Linux kernel, the following vulnerability has been resolved: iommu/sprd: Release dma buffer to avoid memory leak When attaching to a domain, the driver would alloc a DMA buffer which is used to store address mapping table, and it need to be released when the IOMMU domain is freed...

The vulnerability of the `sparx5_del_mact_entry()` function in the `drivers/net/ethernet/microchip/sparx5/sparx5_mactable.c` file of the Sparx5 driver for the Linux operating system allows a hacker to cause a service failure.

The vulnerability of the sparx5delmactentry function in the drivers/net/ethernet/microchip/sparx5/sparx5mactable.c file of the Sparx5 driver for the Linux operating system is related to the reutilization of previously freed memory. Exploiting this vulnerability could allow an attacker to cause a...