CVE-2024-42244

CVE-2024-42244 concerns the Linux kernel USB serial mos7840 driver. The vulnerability caused a crash on resume when multiple port read URBs were submitted after resume, due to the second URB’s context pointer remaining tied to the core instead of the mos7840 port. A dedicated suspend/resume imple...

Walkthrough. Investigating an SSD

I had an interesting job come in. A client wants the data off a dead SSD, and it’s a model that regular data recovery companies won’t deal with, an SK Hynix drive. It’s used extensively on many Dell laptops. The drive is NVMe which means it uses several PCIe lanes for communication. First things...

Cisco device config dumping

Quick guide to recovering configs from Cisco switches and routers We have recently done work in situations where recovering the Cisco config from one device e.g. an edge switch can give us useful information. This includes: VLANs even for VLANs that are not used on that piece of equipment Which...