Description
A memory leak flaw was found in nft_set_catchall_flush in net/netfilter/nf_tables_api.c in the Linux Kernel. This issue may allow a local attacker to cause double-deactivations of catchall elements, which can result in a memory leak.
Published: 2023-08-28
Score: 5.5 Medium
EPSS: < 1% Very Low
KEV: No
Impact: n/a
Action: n/a
AI Analysis

No analysis available yet.

Remediation

Vendor Workaround

Mitigation for this issue is to skip loading the affected module "nftables" onto the system until we have a fix available. This can be done by a blacklist mechanism that will ensure the driver is not loaded at boot time. ~~~ How do I blacklist a kernel module to prevent it from loading automatically? https://access.redhat.com/solutions/41278 ~~~

Tracking

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Advisories
Source ID Title
Debian DSA Debian DSA DSA-5492-1 linux security update
EUVD EUVD EUVD-2023-54424 A memory leak flaw was found in nft_set_catchall_flush in net/netfilter/nf_tables_api.c in the Linux Kernel. This issue may allow a local attacker to cause double-deactivations of catchall elements, which can result in a memory leak.
Ubuntu USN Ubuntu USN USN-6383-1 Linux kernel vulnerabilities
Ubuntu USN Ubuntu USN USN-6384-1 Linux kernel (OEM) vulnerabilities
Ubuntu USN Ubuntu USN USN-6385-1 Linux kernel (OEM) vulnerabilities
Ubuntu USN Ubuntu USN USN-6386-1 Linux kernel vulnerabilities
Ubuntu USN Ubuntu USN USN-6386-2 Linux kernel (Raspberry Pi) vulnerabilities
Ubuntu USN Ubuntu USN USN-6386-3 Linux kernel vulnerabilities
Ubuntu USN Ubuntu USN USN-6466-1 Linux kernel (NVIDIA) vulnerabilities
History

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

Type Values Removed Values Added
Metrics ssvc

{'options': {'Automatable': 'no', 'Exploitation': 'none', 'Technical Impact': 'partial'}, 'version': '2.0.3'}


Subscriptions

Debian Debian Linux
Linux Linux Kernel
Redhat Enterprise Linux
cve-icon MITRE

Status: PUBLISHED

Assigner: redhat

Published:

Updated: 2025-02-27T21:03:29.416Z

Reserved: 2023-08-28T19:20:15.017Z

Link: CVE-2023-4569

cve-icon Vulnrichment

Updated: 2024-08-02T07:31:06.509Z

cve-icon NVD

Status : Modified

Published: 2023-08-28T22:15:10.487

Modified: 2024-11-21T08:35:26.850

Link: CVE-2023-4569

cve-icon Redhat

Severity : Moderate

Publid Date: 2023-08-12T00:00:00Z

Links: CVE-2023-4569 - Bugzilla

cve-icon OpenCVE Enrichment

No data.

Weaknesses