CVE-2023-3567 (GCVE-0-2023-3567)
Vulnerability from cvelistv5 – Published: 2023-07-24 15:19 – Updated: 2025-11-06 19:46
VLAI
EPSS
VEX
Title
Kernel: use after free in vcs_read in drivers/tty/vt/vc_screen.c due to race
Summary
A use-after-free flaw was found in vcs_read in drivers/tty/vt/vc_screen.c in vc_screen in the Linux Kernel. This issue may allow an attacker with local user access to cause a system crash or leak internal kernel information.
Severity
7.1 (High)
CWE
- CWE-416 - Use After Free
Assigner
References
14 references
Impacted products
13 products
| Vendor | Product | Version | CPE status | |
|---|---|---|---|---|
| Red Hat | Red Hat Enterprise Linux 8 |
Unaffected:
0:4.18.0-553.rt7.342.el8_10 , < *
(rpm)
cpe:/a:redhat:enterprise_linux:8::realtime cpe:/a:redhat:enterprise_linux:8::nfv |
||
| Red Hat | Red Hat Enterprise Linux 8 |
Unaffected:
0:4.18.0-553.el8_10 , < *
(rpm)
cpe:/a:redhat:enterprise_linux:8::crb cpe:/o:redhat:enterprise_linux:8::baseos |
||
| Red Hat | Red Hat Enterprise Linux 8.6 Extended Update Support |
Unaffected:
0:4.18.0-372.87.1.el8_6 , < *
(rpm)
cpe:/o:redhat:rhev_hypervisor:4.4::el8 cpe:/a:redhat:rhel_eus:8.6::crb cpe:/o:redhat:rhel_eus:8.6::baseos |
||
| Red Hat | Red Hat Enterprise Linux 8.8 Extended Update Support |
Unaffected:
0:4.18.0-477.43.1.el8_8 , < *
(rpm)
cpe:/o:redhat:rhel_eus:8.8::baseos cpe:/a:redhat:rhel_eus:8.8::crb |
||
| Red Hat | Red Hat Enterprise Linux 9 |
Unaffected:
0:5.14.0-427.13.1.el9_4 , < *
(rpm)
cpe:/a:redhat:enterprise_linux:9::crb cpe:/a:redhat:enterprise_linux:9::nfv cpe:/a:redhat:enterprise_linux:9::appstream cpe:/a:redhat:enterprise_linux:9::realtime cpe:/o:redhat:enterprise_linux:9::baseos |
||
| Red Hat | Red Hat Enterprise Linux 9.0 Extended Update Support |
Unaffected:
0:5.14.0-70.85.1.el9_0 , < *
(rpm)
cpe:/o:redhat:rhel_eus:9.0::baseos cpe:/a:redhat:rhel_eus:9.0::crb cpe:/a:redhat:rhel_eus:9.0::appstream |
||
| Red Hat | Red Hat Enterprise Linux 9.0 Extended Update Support |
Unaffected:
0:5.14.0-70.85.1.rt21.156.el9_0 , < *
(rpm)
cpe:/a:redhat:rhel_eus:9.0::realtime cpe:/a:redhat:rhel_eus:9.0::nfv |
||
| Red Hat | Red Hat Enterprise Linux 9.2 Extended Update Support |
Unaffected:
0:5.14.0-284.48.1.el9_2 , < *
(rpm)
cpe:/a:redhat:rhel_eus:9.2::appstream cpe:/a:redhat:rhel_eus:9.2::crb cpe:/o:redhat:rhel_eus:9.2::baseos |
||
| Red Hat | Red Hat Enterprise Linux 9.2 Extended Update Support |
Unaffected:
0:5.14.0-284.48.1.rt14.333.el9_2 , < *
(rpm)
cpe:/a:redhat:rhel_eus:9.2::nfv cpe:/a:redhat:rhel_eus:9.2::realtime |
||
| Red Hat | Red Hat Virtualization 4 for Red Hat Enterprise Linux 8 |
Unaffected:
0:4.18.0-372.87.1.el8_6 , < *
(rpm)
cpe:/o:redhat:rhev_hypervisor:4.4::el8 cpe:/a:redhat:rhel_eus:8.6::crb cpe:/o:redhat:rhel_eus:8.6::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 9 |
cpe:/o:redhat:enterprise_linux:9
|
Date Public
2023-01-14 00:00
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"url": "https://access.redhat.com/errata/RHSA-2024:0439"
},
{
"source": "secalert@redhat.com",
"url": "https://access.redhat.com/errata/RHSA-2024:0448"
},
{
"source": "secalert@redhat.com",
"url": "https://access.redhat.com/errata/RHSA-2024:0575"
},
{
"source": "secalert@redhat.com",
"url": "https://access.redhat.com/errata/RHSA-2024:2394"
},
{
"source": "secalert@redhat.com",
"url": "https://access.redhat.com/errata/RHSA-2024:2950"
},
{
"source": "secalert@redhat.com",
"url": "https://access.redhat.com/errata/RHSA-2024:3138"
},
{
"source": "secalert@redhat.com",
"tags": [
"Third Party Advisory"
],
"url": "https://access.redhat.com/security/cve/CVE-2023-3567"
},
{
"source": "secalert@redhat.com",
"tags": [
"Issue Tracking",
"Third Party Advisory"
],
"url": "https://bugzilla.redhat.com/show_bug.cgi?id=2221463"
},
{
"source": "secalert@redhat.com",
"tags": [
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"Patch"
],
"url": "https://www.spinics.net/lists/stable-commits/msg285184.html"
},
{
"source": "af854a3a-2127-422b-91ae-364da2661108",
"url": "http://packetstormsecurity.com/files/175072/Kernel-Live-Patch-Security-Notice-LSN-0098-1.html"
},
{
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"url": "http://packetstormsecurity.com/files/175963/Kernel-Live-Patch-Security-Notice-LSN-0099-1.html"
},
{
"source": "af854a3a-2127-422b-91ae-364da2661108",
"url": "https://access.redhat.com/errata/RHSA-2024:0412"
},
{
"source": "af854a3a-2127-422b-91ae-364da2661108",
"url": "https://access.redhat.com/errata/RHSA-2024:0431"
},
{
"source": "af854a3a-2127-422b-91ae-364da2661108",
"url": "https://access.redhat.com/errata/RHSA-2024:0432"
},
{
"source": "af854a3a-2127-422b-91ae-364da2661108",
"url": "https://access.redhat.com/errata/RHSA-2024:0439"
},
{
"source": "af854a3a-2127-422b-91ae-364da2661108",
"url": "https://access.redhat.com/errata/RHSA-2024:0448"
},
{
"source": "af854a3a-2127-422b-91ae-364da2661108",
"url": "https://access.redhat.com/errata/RHSA-2024:0575"
},
{
"source": "af854a3a-2127-422b-91ae-364da2661108",
"url": "https://access.redhat.com/errata/RHSA-2024:2394"
},
{
"source": "af854a3a-2127-422b-91ae-364da2661108",
"url": "https://access.redhat.com/errata/RHSA-2024:2950"
},
{
"source": "af854a3a-2127-422b-91ae-364da2661108",
"url": "https://access.redhat.com/errata/RHSA-2024:3138"
},
{
"source": "af854a3a-2127-422b-91ae-364da2661108",
"tags": [
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],
"url": "https://access.redhat.com/security/cve/CVE-2023-3567"
},
{
"source": "af854a3a-2127-422b-91ae-364da2661108",
"tags": [
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"Third Party Advisory"
],
"url": "https://bugzilla.redhat.com/show_bug.cgi?id=2221463"
},
{
"source": "af854a3a-2127-422b-91ae-364da2661108",
"tags": [
"Mailing List",
"Patch"
],
"url": "https://www.spinics.net/lists/stable-commits/msg285184.html"
}
],
"sourceIdentifier": "secalert@redhat.com",
"vulnStatus": "Modified",
"weaknesses": [
{
"description": [
{
"lang": "en",
"value": "CWE-416"
}
],
"source": "secalert@redhat.com",
"type": "Secondary"
},
{
"description": [
{
"lang": "en",
"value": "CWE-416"
}
],
"source": "nvd@nist.gov",
"type": "Primary"
}
]
}
},
"redhat_vex": {
"aggregate_severity": "Moderate",
"current_release_date": "2026-08-06T20:26:05+00:00",
"cve": "CVE-2023-3567",
"id": "CVE-2023-3567",
"initial_release_date": "2023-01-14T00:00:00+00:00",
"product_status:fixed": "1108",
"product_status:known_affected": "50",
"product_status:known_not_affected": "15",
"source": "Red Hat CSAF VEX",
"status": "final",
"title": "kernel: use after free in vcs_read in drivers/tty/vt/vc_screen.c due to race",
"url": "https://security.access.redhat.com/data/csaf/v2/vex/2023/cve-2023-3567.json",
"version": "3"
},
"suse_vex": {
"aggregate_severity": "important",
"current_release_date": "2026-09-12T17:09:37Z",
"cve": "CVE-2023-3567",
"id": "CVE-2023-3567",
"initial_release_date": "2023-07-11T01:55:18Z",
"product_status:known_affected": "284",
"product_status:recommended": "1589",
"source": "SUSE CSAF VEX",
"status": "interim",
"title": "SUSE CVE CVE-2023-3567",
"url": "https://ftp.suse.com/pub/projects/security/csaf-vex/cve-2023-3567.json",
"version": "106"
}
}
}
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Experimental. This forecast is provided for visualization only and may change without notice. Do not use it for operational decisions.
Forecast uses a logistic model when the trend is rising, or an exponential decay model when the trend is falling. Fitted via linearized least squares.
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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Related by attack behaviour
Vulnerabilities whose description is nearest to this one in the vector space of the CIRCL/vulnerability-attack-technique-biencoder model. This is a similarity search over the bi-encoder space (plain cosine), not a classification, and it has no measured accuracy.
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