A memory leak flaw was found in the Linux kernel’s DMA subsystem, in the way a user calls DMA_FROM_DEVICE. This flaw allows a local user to read random memory from the kernel space.Referenceshttps://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/kernel/dma/swiotlb.c?h=v5.17-rc8&id=aa6f8dcbab473f3a3c7454b74caa46d36cdc5d13https://www.debian.org/security/2022/dsa-5161https://lists.debian.org/debian-lts-announce/2022/07/msg00000.htmlhttps://www.debian.org/security/2022/dsa-5173