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CVE-2023-4147

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CVE-2023-4147

Published: Aug 7, 2023

Modified: Feb 25, 2026

PUBLISHED

CVSS v3.1

7.8

HIGH

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.

VendorProductVersions

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 Enterprise Linux 6

All versions

Red Hat

Red Hat Enterprise Linux 7

All versions

Red Hat

Red Hat Enterprise Linux 7

All versions

Red Hat

Red Hat Enterprise Linux 8

All versions

Red Hat

Red Hat Enterprise Linux 8

All versions

Weaknesses (CWE)

CVSS v3.1 Details

CVSS v3.1 Vector

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

Attack Vector

Local

Attack Complexity

Low

Privileges Required

Low

User Interaction

None

Scope

Unchanged

Confidentiality

High

Integrity

High

Availability

High

References

RHSA-2023:5069
vendor-advisory
x_refsource_REDHAT
RHSA-2023:5091
vendor-advisory
x_refsource_REDHAT
RHSA-2023:5093
vendor-advisory
x_refsource_REDHAT
RHSA-2023:7382
vendor-advisory
x_refsource_REDHAT
RHSA-2023:7389
vendor-advisory
x_refsource_REDHAT
RHSA-2023:7411
vendor-advisory
x_refsource_REDHAT
RHBZ#2225239
issue-tracking
x_refsource_REDHAT

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