Entreprise française de cybersécurité depuis 2004
☎ 03 60 47 09 81 - info@securiteinfo.com
☎ 03 60 47 09 81 - info@securiteinfo.com
In the Linux kernel, the following vulnerability has been resolved:LoongArch: Increase ARCH_DMA_MINALIGN up to 16ARCH_DMA_MINALIGN is 1 by default, but some LoongArch-specific devices(such as APBDMA) require 16 bytes alignment. When the data buffer lengthis too small, the hardware may make an error writing cacheline. Thus, itis dangerous to allocate a small memory buffer for DMA. It's always safeto define ARCH_DMA_MINALIGN as L1_CACHE_BYTES but unnecessary (kmalloc()need small memory objects). Therefore, just increase it to 16.
No PoCs from references.
- https://github.com/w4zu/Debian_security