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CVE-2018-9439

Dec. 5, 2024, 4:15 p.m.

Tags

CWE-416
security@android.com
2024-12-05
CVE-2018-9439

CVSS Score

7.8 / 10

Product(s) Impacted

Linux Kernel

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.

Weaknesses

CWE-416
Use After Free

Referencing memory after it has been freed can cause a program to crash, use unexpected values, or execute code.

CWE ID: 416

Date

Published: Dec. 5, 2024, 12:15 a.m.

Last Modified: Dec. 5, 2024, 4:15 p.m.

Status : Undergoing Analysis

CVE has been recently published to the CVE List and has been received by the NVD.

More info

Source

security@android.com

CVSS Data

Attack Vector

LOCAL

Attack Complexity

LOW

Privileges Required

LOW

Scope

UNCHANGED

Confidentiality Impact

HIGH

Integrity Impact

HIGH

Availability Impact

HIGH

Base Score
7.8
Exploitability Score
1.8
Impact Score
5.9
Base Severity
HIGH
CVSS Vector String

The CVSS vector string provides an in-depth view of the vulnerability metrics.

View Vector String

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

References

https://source.android.com/ security@android.com