PT-2024-10695 · Linux · Linux Kernel

Published 2024-12-04 · Updated 2024-12-19 · CVE-2018-9439

Positive Technologies (AI Summary)

CVSS v3.1

7.8

High

Base vector

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

Name of the Vulnerable Software and Affected Versions Linux kernel (affected versions not specified)

Description The issue is related to a possible use-after-free in the unregister prot hook and packet release functions of af packet.c due to improper locking. This could lead to local escalation of privilege in the kernel, requiring System execution privileges. User interaction is not needed for exploitation.

Recommendations At the moment, there is no information about a newer version that contains a fix for this vulnerability.

Use After Free

Weakness Enumeration

CWE-416

Related Identifiers

CVE-2018-9439

Affected Products

Linux Kernel

References · 3

• https://source.android.com/security/bulletin/pixel/2018-08-01 · Vendor Advisory
• https://nvd.nist.gov/vuln/detail/CVE-2018-9439 · Security Note
• https://t.me/cvedetector/12046 · Telegram Post