Use-After-Free Vulnerability in NFC Controller Interface (NCI) in Linux Kernel

Use-After-Free Vulnerability in NFC Controller Interface (NCI) in Linux Kernel

CVE-2021-4202 · HIGH Severity

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

A use-after-free flaw was found in nci_request in net/nfc/nci/core.c in NFC Controller Interface (NCI) in the Linux kernel. This flaw could allow a local attacker with user privileges to cause a data race problem while the device is getting removed, leading to a privilege escalation problem.

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