Description
A use-after-free flaw was found in the Linux kernel’s Netfilter functionality when adding a rule with NFTA_RULE_CHAIN_ID. This flaw allows a local user to crash or escalate their privileges on the system.
Exploits (1)
nomisec
WORKING POC
by murdok1982 · poc
https://github.com/murdok1982/Exploit-en-Python-para-CVE-2023-4147
References (14)
Scores
CVSS v3
7.8
EPSS
0.0016
EPSS Percentile
36.6%
Attack Vector
LOCAL
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
CISA SSVC
Vulnrichment
Exploitation
poc
Automatable
no
Technical Impact
total
Details
CWE
CWE-416
Status
published
Products (11)
debian/debian_linux
10.0
debian/debian_linux
11.0
debian/debian_linux
12.0
fedoraproject/fedora
38
linux/linux_kernel
6.5 rc1 (3 CPE variants)
linux/linux_kernel
5.9 - 5.10.190
redhat/enterprise_linux
9.0
redhat/enterprise_linux_eus
9.2
redhat/enterprise_linux_for_real_time
9.0
redhat/enterprise_linux_for_real_time_for_nfv
9.0
... and 1 more
Published
Aug 07, 2023
Tracked Since
Feb 18, 2026