CVE-2018-9439

MediumCVSS 6.7/10Last modified Jun 17, 2026

Description

In __unregister_prot_hook and packet_release of af_packet.c, there is a possible use-after-free due to improper locking. This could lead to local escalation of privilege in the kernel with System execution privileges needed. User interaction is not needed for exploitation.

Metrics

CVSS 3.1 6.7/10CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H

Weakness enumeration

CWE-416

Affected software

No affected versions have been published.

Timeline

Published
Dec 5, 2024
Last modified
Jun 17, 2026
NVD status
Analyzed

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CVE-2018-9439: Medium severity, CVSS 6.7 | Vulnix