Description
A flaw was found in the Netfilter subsystem of the Linux kernel. A race condition between IPSET_CMD_ADD and IPSET_CMD_SWAP can lead to a kernel panic due to the invocation of `__ip_set_put` on a wrong `set`. This issue may allow a local user to crash the system.
Published: 2023-09-28
Score: 4.4 Medium
EPSS: < 1% Very Low
KEV: No
AI Analysis

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Remediation

Vendor Workaround

Mitigation for this issue is either not available or the currently available options do not meet the Red Hat Product Security criteria comprising ease of use and deployment, applicability to widespread installation base or stability.

Tracking

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Advisories
Source ID Title
Debian DLA Debian DLA DLA-3623-1 linux-5.10 security update
EUVD EUVD EUVD-2023-47188 A flaw was found in the Netfilter subsystem of the Linux kernel. A race condition between IPSET_CMD_ADD and IPSET_CMD_SWAP can lead to a kernel panic due to the invocation of `__ip_set_put` on a wrong `set`. This issue may allow a local user to crash the system.
Ubuntu USN Ubuntu USN USN-6441-1 Linux kernel vulnerabilities
Ubuntu USN Ubuntu USN USN-6441-2 Linux kernel (GCP) vulnerabilities
Ubuntu USN Ubuntu USN USN-6441-3 Linux kernel vulnerabilities
Ubuntu USN Ubuntu USN USN-6442-1 Linux kernel (BlueField) vulnerabilities
Ubuntu USN Ubuntu USN USN-6443-1 Linux kernel (OEM) vulnerabilities
Ubuntu USN Ubuntu USN USN-6444-1 Linux kernel vulnerabilities
Ubuntu USN Ubuntu USN USN-6444-2 Linux kernel (StarFive) vulnerabilities
Ubuntu USN Ubuntu USN USN-6445-1 Linux kernel (Intel IoTG) vulnerabilities
Ubuntu USN Ubuntu USN USN-6445-2 Linux kernel (Intel IoTG) vulnerabilities
Ubuntu USN Ubuntu USN USN-6446-1 Linux kernel vulnerabilities
Ubuntu USN Ubuntu USN USN-6446-2 Linux kernel vulnerabilities
Ubuntu USN Ubuntu USN USN-6446-3 Linux kernel (Oracle) vulnerabilities
Ubuntu USN Ubuntu USN USN-6454-1 Linux kernel vulnerabilities
Ubuntu USN Ubuntu USN USN-6454-2 Linux kernel vulnerabilities
Ubuntu USN Ubuntu USN USN-6454-3 Linux kernel (ARM laptop) vulnerabilities
Ubuntu USN Ubuntu USN USN-6454-4 Linux kernel (StarFive) vulnerabilities
Ubuntu USN Ubuntu USN USN-6466-1 Linux kernel (NVIDIA) vulnerabilities
Ubuntu USN Ubuntu USN USN-6479-1 Linux kernel (OEM) vulnerabilities
History

Sat, 07 Nov 2026 11:45:00 +0000

Type Values Removed Values Added
First Time appeared Redhat rhel Els
CPEs cpe:/o:redhat:enterprise_linux:6
cpe:/o:redhat:enterprise_linux:7
cpe:/o:redhat:enterprise_linux:8
cpe:/a:redhat:enterprise_linux:8
cpe:/o:redhat:rhel_els:6
cpe:/o:redhat:rhel_els:7
Vendors & Products Redhat rhel Els

Tue, 04 Mar 2025 03:45:00 +0000

Type Values Removed Values Added
Metrics ssvc

{'options': {'Automatable': 'no', 'Exploitation': 'poc', 'Technical Impact': 'partial'}, 'version': '2.0.3'}


Fri, 22 Nov 2024 12:00:00 +0000


Mon, 16 Sep 2024 13:30:00 +0000


Subscriptions

Debian Debian Linux
Fedoraproject Fedora
Linux Linux Kernel
Redhat Enterprise Linux Rhel Els
cve-icon MITRE

Status: PUBLISHED

Assigner: redhat

Published:

Updated: 2026-11-07T11:32:45.054Z

Reserved: 2023-09-13T11:03:47.962Z

Link: CVE-2023-42756

cve-icon Vulnrichment

Updated: 2024-08-02T19:30:24.501Z

cve-icon NVD

Status : Modified

Published: 2023-09-28T14:15:21.037

Modified: 2026-11-01T11:18:55.300

Link: CVE-2023-42756

cve-icon Redhat

Severity : Moderate

Publid Date: 2023-09-27T00:00:00Z

Links: CVE-2023-42756 - Bugzilla

cve-icon OpenCVE Enrichment

No data.

Weaknesses
  • CWE-362

    Concurrent Execution using Shared Resource with Improper Synchronization ('Race Condition')