Description
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.
Affected products
Version statuses are supplied by the assigning organization. Consult the original record for detailed ranges and platform conditions.
n/a Kernel
Linux kernel 5.17-rc8affected
References
- https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/kernel/dma/swiotlb.c?h=v5.17-rc8&id=aa6f8dcbab473f3a3c7454b74caa46d36cdc5d13 ↗
- https://www.debian.org/security/2022/dsa-5161 ↗
- https://lists.debian.org/debian-lts-announce/2022/07/msg00000.html ↗
- https://www.debian.org/security/2022/dsa-5173 ↗