Use-after-free vulnerability in MCTP protocol in Linux kernel leads to denial of service

Use-after-free vulnerability in MCTP protocol in Linux kernel leads to denial of service

CVE-2023-3439 · MEDIUM Severity

CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:N/I:N/A:H

A flaw was found in the MCTP protocol in the Linux kernel. The function mctp_unregister() reclaims the device's relevant resource when a netcard detaches. However, a running routine may be unaware of this and cause the use-after-free of the mdev->addrs object, potentially leading to a denial of service.

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