CVE-2022-48720 - Vulnerability Details - OpenCVE

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.

No CVSS v4.0

Attack Vector Local

Attack Complexity Low

Privileges Required High

Scope Unchanged

Confidentiality Impact High

Integrity Impact None

Availability Impact None

User Interaction None

No CVSS v3.0

No CVSS v2

This CVE is not in the KEV list.

Exploitation none

Automatable no

Technical Impact partial

No data.

No data.

No data.

References

Link	Providers
https://git.kernel.org/stable/c/2e7f5b6ee1a7a2c628253a95b0a95b582901ef1b
https://git.kernel.org/stable/c/8299be160aad8548071d080518712dec0df92bd5
https://git.kernel.org/stable/c/9cef24c8b76c1f6effe499d2f131807c90f7ce9a
https://git.kernel.org/stable/c/e7a0b3a0806dae3cc81931f0e83055ca2ac6f455
https://lore.kernel.org/linux-cve-announce/2024062056-CVE-2022-48720-5541@gregkh/T
https://nvd.nist.gov/vuln/detail/CVE-2022-48720
https://www.cve.org/CVERecord?id=CVE-2022-48720

History

Thu, 19 Dec 2024 09:15:00 +0000

Type	Values Removed	Values Added
Metrics		ssvc `{'options': {'Automatable': 'no', 'Exploitation': 'none', 'Technical Impact': 'partial'}, 'version': '2.0.3'}`

MITRE

Status: PUBLISHED

Assigner: Linux

Published: 2024-06-20T11:13:12.025Z

Updated: 2024-12-19T08:06:25.944Z

Reserved: 2024-06-20T11:09:39.051Z

Link: CVE-2022-48720

Vulnrichment

Updated: 2024-08-03T15:24:59.933Z

NVD

Status : Awaiting Analysis

Published: 2024-06-20T11:15:55.547

Modified: 2024-11-21T07:33:51.487

Link: CVE-2022-48720

Redhat

Severity : Low

Publid Date: 2024-06-20T00:00:00Z

Links: CVE-2022-48720 - Bugzilla

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{"descriptions": [{"lang": "en", "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nnet: macsec: Fix offload support for NETDEV_UNREGISTER event\n\nCurrent macsec netdev notify handler handles NETDEV_UNREGISTER event by\nreleasing relevant SW resources only, this causes resources leak in case\nof macsec HW offload, as the underlay driver was not notified to clean\nit's macsec offload resources.\n\nFix by calling the underlay driver to clean it's relevant resources\nby moving offload handling from macsec_dellink() to macsec_common_dellink()\nwhen handling NETDEV_UNREGISTER event."}, {"lang": "es", "value": "En el kernel de Linux, se ha resuelto la siguiente vulnerabilidad: net: macsec: se corrigi\u00f3 el soporte de descarga para el evento NETDEV_UNREGISTER. El controlador de notificaci\u00f3n netdev de macsec actual maneja el evento NETDEV_UNREGISTER liberando solo recursos SW relevantes, lo que provoca una p\u00e9rdida de recursos en caso de descarga de HW de macsec, ya que No se notific\u00f3 al controlador subyacente que limpiara sus recursos de descarga de macsec. Para solucionarlo, llame al controlador subyacente para limpiar sus recursos relevantes moviendo el manejo de descarga de macsec_dellink() a macsec_common_dellink() cuando se maneja el evento NETDEV_UNREGISTER."}], "id": "CVE-2022-48720", "lastModified": "2024-11-21T07:33:51.487", "metrics": {}, "published": "2024-06-20T11:15:55.547", "references": [{"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/2e7f5b6ee1a7a2c628253a95b0a95b582901ef1b"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/8299be160aad8548071d080518712dec0df92bd5"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/9cef24c8b76c1f6effe499d2f131807c90f7ce9a"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/e7a0b3a0806dae3cc81931f0e83055ca2ac6f455"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "url": "https://git.kernel.org/stable/c/2e7f5b6ee1a7a2c628253a95b0a95b582901ef1b"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "url": "https://git.kernel.org/stable/c/8299be160aad8548071d080518712dec0df92bd5"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "url": "https://git.kernel.org/stable/c/9cef24c8b76c1f6effe499d2f131807c90f7ce9a"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "url": "https://git.kernel.org/stable/c/e7a0b3a0806dae3cc81931f0e83055ca2ac6f455"}], "sourceIdentifier": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "vulnStatus": "Awaiting Analysis"}