CVE-2023-4004

Published: Jul 31, 2023

Modified: Nov 8, 2025

PUBLISHED

CVSS v3.1

7.8

HIGH

Description

A use-after-free flaw was found in the Linux kernel's netfilter in the way a user triggers the nft_pipapo_remove function with the element, without a NFT_SET_EXT_KEY_END. This issue could allow a local user to crash the system or potentially escalate their privileges on the system.

Vendor	Product	Versions
Red Hat	Red Hat Enterprise Linux 8	unaffected `0:4.18.0-477.27.1.rt7.290.el8_8 - < *`
Red Hat	Red Hat Enterprise Linux 8	All versions
Red Hat	Red Hat Enterprise Linux 8	unaffected `0:4.18.0-477.27.1.el8_8 - < *`
Red Hat	Red Hat Enterprise Linux 8.2 Advanced Update Support	unaffected `0:4.18.0-193.119.1.el8_2 - < *`
Red Hat	Red Hat Enterprise Linux 8.2 Telecommunications Update Service	unaffected `0:4.18.0-193.119.1.rt13.170.el8_2 - < *`
Red Hat	Red Hat Enterprise Linux 8.2 Telecommunications Update Service	unaffected `0:4.18.0-193.119.1.el8_2 - < *`
Red Hat	Red Hat Enterprise Linux 8.2 Update Services for SAP Solutions	All versions
Red Hat	Red Hat Enterprise Linux 8.2 Update Services for SAP Solutions	unaffected `0:4.18.0-193.119.1.el8_2 - < *`
Red Hat	Red Hat Enterprise Linux 8.4 Advanced Mission Critical Update Support	unaffected `0:4.18.0-305.103.1.el8_4 - < *`
Red Hat	Red Hat Enterprise Linux 8.4 Telecommunications Update Service	unaffected `0:4.18.0-305.103.1.rt7.178.el8_4 - < *`
Red Hat	Red Hat Enterprise Linux 8.4 Telecommunications Update Service	unaffected `0:4.18.0-305.103.1.el8_4 - < *`
Red Hat	Red Hat Enterprise Linux 8.4 Update Services for SAP Solutions	unaffected `0:4.18.0-305.103.1.el8_4 - < *`
Red Hat	Red Hat Enterprise Linux 8.4 Update Services for SAP Solutions	All versions
Red Hat	Red Hat Enterprise Linux 8.6 Extended Update Support	All versions
Red Hat	Red Hat Enterprise Linux 8.6 Extended Update Support	unaffected `0:4.18.0-372.75.1.el8_6 - < *`
Red Hat	Red Hat Enterprise Linux 9	unaffected `0:5.14.0-284.30.1.el9_2 - < *`
Red Hat	Red Hat Enterprise Linux 9	unaffected `0:5.14.0-284.30.1.rt14.315.el9_2 - < *`
Red Hat	Red Hat Enterprise Linux 9	unaffected `0:5.14.0-284.30.1.el9_2 - < *`
Red Hat	Red Hat Enterprise Linux 9	All versions
Red Hat	Red Hat Enterprise Linux 9.0 Extended Update Support	unaffected `0:5.14.0-70.80.1.el9_0 - < *`
Red Hat	Red Hat Enterprise Linux 9.0 Extended Update Support	unaffected `0:5.14.0-70.80.1.rt21.151.el9_0 - < *`
Red Hat	Red Hat Enterprise Linux 9.0 Extended Update Support	All versions
Red Hat	Red Hat Virtualization 4 for Red Hat Enterprise Linux 8	unaffected `0:4.18.0-372.75.1.el8_6 - < *`
Red Hat	Red Hat Enterprise Linux 6	All versions
Red Hat	Red Hat Enterprise Linux 7	All versions
Red Hat	Red Hat Enterprise Linux 7	All versions