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EUVD-2026-270661
European Vulnerability Database identifier assigned by ENISAReserved
2026-10-02 07:02
Assigner
ENISA
Alias of
a CVE record, shown under related vulnerabilities.
This identifier carries no description, severity or references of its own:
they belong to that CVE.
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"date_reserved": "2026-10-02T07:02:58.504819+00:00",
"id": "EUVD-2026-270661"
}
CVE-2023-4147 (GCVE-0-2023-4147)
Vulnerability from cvelistv5 – Published: 2023-08-07 13:19 – Updated: 2026-02-25 17:20
VLAI
EPSS
VEX
Title
Kernel: netfilter: nf_tables_newrule when adding a rule with nfta_rule_chain_id leads to use-after-free
Summary
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.
Severity
7.8 (High)
SSVC
Exploitation: poc
Automatable: no
Technical Impact: total
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2025-01-09 15:55 UTC
CWE
- CWE-416 - Use After Free
Assigner
References
14 references
Impacted products
9 products
| Vendor | Product | Version | |
|---|---|---|---|
| Red Hat | Red Hat Enterprise Linux 9 |
Unaffected:
0:5.14.0-284.30.1.el9_2 , < *
(rpm)
cpe:/a:redhat:enterprise_linux:9::crb cpe:/a:redhat:enterprise_linux:9::appstream cpe:/o:redhat:enterprise_linux:9::baseos |
|
| Red Hat | Red Hat Enterprise Linux 9 |
Unaffected:
0:5.14.0-284.30.1.rt14.315.el9_2 , < *
(rpm)
cpe:/a:redhat:enterprise_linux:9::realtime cpe:/a:redhat:enterprise_linux:9::nfv |
|
| Red Hat | Red Hat Enterprise Linux 9 |
cpe:/o:redhat:enterprise_linux:9::baseos
|
|
| Red Hat | Red Hat Enterprise Linux 9.0 Extended Update Support |
Unaffected:
0:5.14.0-70.80.1.el9_0 , < *
(rpm)
cpe:/o:redhat:rhel_eus:9.0::baseos cpe:/a:redhat:rhel_eus:9.0::appstream cpe:/a:redhat:rhel_eus:9.0::crb |
|
| Red Hat | Red Hat Enterprise Linux 9.0 Extended Update Support |
Unaffected:
0:5.14.0-70.80.1.rt21.151.el9_0 , < *
(rpm)
cpe:/a:redhat:rhel_eus:9.0::nfv cpe:/a:redhat:rhel_eus:9.0::realtime |
|
| Red Hat | Red Hat Enterprise Linux 9.0 Extended Update Support |
cpe:/o:redhat:rhel_eus:9.0::baseos
|
|
| Red Hat | Red Hat Enterprise Linux 6 |
cpe:/o:redhat:enterprise_linux:6
|
|
| Red Hat | Red Hat Enterprise Linux 7 |
cpe:/o:redhat:enterprise_linux:7
|
|
| Red Hat | Red Hat Enterprise Linux 8 |
cpe:/o:redhat:enterprise_linux:8
|
Date Public
2023-07-23 10:30
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Sightings
| Author | Source | Type | Date | Other |
|---|
Nomenclature
- Seen: The vulnerability was mentioned, discussed, or observed by the user.
- Confirmed: The vulnerability has been validated from an analyst's perspective.
- Published Proof of Concept: A public proof of concept is available for this vulnerability.
- Exploited: The vulnerability was observed as exploited by the user who reported the sighting.
- Patched: The vulnerability was observed as successfully patched by the user who reported the sighting.
- Not exploited: The vulnerability was not observed as exploited by the user who reported the sighting.
- Not confirmed: The user expressed doubt about the validity of the vulnerability.
- Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.
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The MITRE ATT&CK techniques below are AI-generated suggestions, inferred from the description of the
vulnerability by the CIRCL/vulnerability-attack-technique-classification-roberta-base
model, served locally by ML-Gateway.
They have not been verified by an analyst and are provided for guidance only.
The approach is described in our paper Mapping CVEs to MITRE ATT&CK Techniques: A Curated Gold-Set Classifier and the Limits of LLM-Assisted Label Expansion.
Browse all ATT&CK techniques and the vulnerabilities related to each.
The approach is described in our paper Mapping CVEs to MITRE ATT&CK Techniques: A Curated Gold-Set Classifier and the Limits of LLM-Assisted Label Expansion.
Browse all ATT&CK techniques and the vulnerabilities related to each.
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