CVE-2022-48742

HIGH Year: 2022
CVSS v3 Score
7.8
High
Weakness Type
CWE-416
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Vulnerability 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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