Security Advisory

CVE-2022-48742

CVE vulnerability detail — eXtreme Datacenter Security Operations

Published 2024-06-20 11:13:26

Last updated 2026-05-11 18:46:03

Assigner Linux

State PUBLISHED

Description

In the Linux kernel, the following vulnerability has been resolved: rtnetlink: make sure to refresh master_dev/m_ops in __rtnl_newlink() While looking at one unrelated syzbot bug, I found the replay logic in __rtnl_newlink() to potentially trigger use-after-free. It is better to clear master_dev and m_ops inside the loop, in case we have to replay it.

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