cvedb.io
CVE-2022-4744
HIGH · CVSS 7.8
EPSS exploitation probability: 0%
Published 2023-03-30T21:15:06.497 · Last modified 2026-06-17T05:21:43.073

Summary

A double-free flaw was found in the Linux kernel’s TUN/TAP device driver functionality in how a user registers the device when the register_netdevice function fails (NETDEV_REGISTER notifier). This flaw allows a local user to crash or potentially escalate their privileges on the system.

Affected products

linux — linux_kernel

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References

This product uses data from the NVD API but is not endorsed or certified by the NVD. Informational only; not professional security advice.