CVE-2018-9439

low-risk

Published 2024-12-05

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.

Do I need to act?

0.02% chance of exploitation

EPSS score — low exploit probability

Not on CISA KEV list

No confirmed active exploitation reported to CISA

Patch status unknown

Check vendor advisories for fix availability and mitigation guidance

CVSS 6.7/10 Medium

LOCAL / LOW complexity

Affected Products (1)

Android

Affected Vendors

Google

References (1)

Vendor Advisory https://source.android.com/security/bulletin/pixel/2018-08-01

/ 100

low-risk

Severity 21/34 · High

Exploitability 0/34 · Minimal

Exposure 5/34 · Minimal