CVE-2018-9439

In __unregister_prot_hook and packet_release of af_packet.c, there is a possible use-after-free due to improper locking

High · published December 4, 2024

CVSS v3.1
7.8
EPSS
0%
Percentile
0.2
In the wild
Unconfirmed
What it is

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.

The record
Technical detail
CVSS v3.1
7.8 · HIGH
Vector
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
CVSS v4.0
Not supplied
EPSS
0.00083 · 0.2th percentile
Published
2024-12-04T23:37Z
EPSS history
Timeline
  • 04 DEC 23:37Z
    In __unregister_prot_hook and packet_release of af_packet.c, there is a possible use-after-free due to improper locking
    cvelistv5