CVE-2022-48720

MediumCVSS 5.5/10Last modified Aug 4, 2026

Description

In the Linux kernel, the following vulnerability has been resolved:

net: macsec: Fix offload support for NETDEV_UNREGISTER event

Current macsec netdev notify handler handles NETDEV_UNREGISTER event by releasing relevant SW resources only, this causes resources leak in case of macsec HW offload, as the underlay driver was not notified to clean it's macsec offload resources.

Fix by calling the underlay driver to clean it's relevant resources by moving offload handling from macsec_dellink() to macsec_common_dellink() when handling NETDEV_UNREGISTER event.

Metrics

CVSS 3.1 5.5/10CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N

Affected software

VendorProductVersions
LinuxLinux>= 3cf3227a21d1fb020fe26128e60321bd2151e922, < 2e7f5b6ee1a7a2c628253a95b0a95b582901ef1b; >= 3cf3227a21d1fb020fe26128e60321bd2151e922, < e7a0b3a0806dae3cc81931f0e83055ca2ac6f455; >= 3cf3227a21d1fb020fe26128e60321bd2151e922, < 8299be160aad8548071d080518712dec0df92bd5; >= 3cf3227a21d1fb020fe26128e60321bd2151e922, < 9cef24c8b76c1f6effe499d2f131807c90f7ce9a
LinuxLinux5.6

References

Timeline

Published
Jun 20, 2024
Last modified
Aug 4, 2026
NVD status
Modified

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CVE-2022-48720: Medium severity, CVSS 5.5 | Vulnix