Google is keeping up with its promise to roll out monthly patches for Nexus devices, and it's really on the ball this time. The factory images for the April update are already available for download from the Google developer site. There are also some updated binaries for devices that need them.
The factory images are mostly build MMB29X For Nexus 5X is MHC19Q, Pixcel C MXC14G update Build for Nexus 6P MHC19Q. They're all Android 6.0.1 and will raise the security patch level to April 4th, 2016. Google updated its security bulletin page with the specifics on this patch,
To flash these images, you'll need to get ADB working on your computer and have an unlocked bootloader. If you don't meet those criteria, you can always wait for the OTA.
Security Bulletin
Google has posted the March security bulletin listing ten different issues that were fixed in this patch. Five of them were considered critical including a mediaserver remote exploit (reminiscent of Stagefright) and a Broadcom driver vulnerability. You can see the full notes here.
Google has posted the March security bulletin listing ten different issues that were fixed in this patch. Five of them were considered critical including a mediaserver remote exploit (reminiscent of Stagefright) and a Broadcom driver vulnerability. You can see the full notes here.