Possible Use-After-Free Vulnerability in af_packet.c Leads to Local Escalation of Privilege

CVE-2018-9439

6.7MEDIUM

Key Information

Vendor
Google
Status
Android
Vendor
CVE Published:
5 December 2024

Summary

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.

Affected Version(s)

Android = Kernel

Refferences

https://source.android.com/security/bulletin/pixel/2018-0...

CVSS V3.1

Score:
6.7
Severity:
MEDIUM
Confidentiality:
High
Integrity:
High
Availability:
High
Attack Vector:
Local
Attack Complexity:
Low
Privileges Required:
High
User Interaction:
None
Scope:
Unchanged

Timeline

  • Vulnerability published

Collectors

NVD DatabaseMitre Database
.