In the Linux kernel, the following vulnerability has been resolved: net: mctp: ensure our nlmsg responses are initialised Syed Faraz Abrar (@farazsth98) from Zellic, and Pumpkin (@u1f383) from DEVCORE Research Team working with Trend Micro Zero Day Initiative report that a RTM_GETNEIGH will return uninitalised data in the pad bytes of the ndmsg data. Ensure we're initialising the netlink data to zero, in the link, addr and neigh response messages.
| Product | Vendor | Version |
|---|---|---|
| Linux | Linux | 12.2.3-12.2.9 |
| Linux | Linux | all kernel versions before 5.7 |
| Linux | Linux | < macOS Catalina 10.15.1 |