CVE-2018-9439

Published Dec 4, 2024 CVSS 3.1 · 7.8 High EPSS < 1% KEV · Not listed
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.

Remediation

No solution or workaround provided in the CVE record

Tracking

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Advisories

No advisories available
History
Type Values Removed Values Added
CPEs cpe:2.3:o:google:android:-:*:*:*:*:*:*:*
Type Values Removed Values Added
First Time appeared Google
Google android
Google pixel
Weaknesses CWE-416
CPEs cpe:2.3:h:google:pixel:*:*:*:*:*:*:*:*
cpe:2.3:o:google:android:*:*:*:*:*:*:*:*
Vendors & Products Google
Google android
Google pixel
Metrics cvssV3_1

{'score': 7.8, 'vector': 'CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H'}

ssvc

{'options': {'Automatable': 'no', 'Exploitation': 'none', 'Technical Impact': 'total'}, 'version': '2.0.3'}

Type Values Removed Values Added
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.
References
Weaknesses

Sources

Status
PUBLISHED
Assigner
google_android
Published
Updated
Dec 5, 2024, 3:33 PM
Reserved
Apr 5, 2018, 12:00 AM
Status
Analyzed
Published
Dec 5, 2024, 12:15 AM
Modified
Jun 17, 2026, 2:06 AM