FKIE_CVE-2023-1476
Vulnerability from fkie_nvd - Published: 2023-11-03 09:15 - Updated: 2026-06-17 05:28
Severity
7.0 (High) - CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H
7.0 (High) - CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H
7.0 (High) - CVSS:3.1/
Summary
A use-after-free flaw was found in the Linux kernel’s mm/mremap memory address space accounting source code. This issue occurs due to a race condition between rmap walk and mremap, allowing a local user to crash the system or potentially escalate their privileges on the system.
References
Impacted products
| Vendor | Product | Version | |
|---|---|---|---|
| linux | linux_kernel | * | |
| redhat | enterprise_linux | 8.0 | |
| redhat | enterprise_linux_eus | 8.8 | |
| redhat | enterprise_linux_for_power_little_endian | 8.0_ppc64le | |
| redhat | enterprise_linux_for_power_little_endian_eus | 8.8_ppc64le | |
| redhat | enterprise_linux_server_tus | 8.8 |
{
"affected": [
{
"affectedData": [
{
"collectionURL": "https://access.redhat.com/downloads/content/package-browser/",
"cpes": [
"cpe:/o:redhat:enterprise_linux:8::baseos"
],
"defaultStatus": "unaffected",
"packageName": "kpatch-patch",
"product": "Red Hat Enterprise Linux 8",
"vendor": "Red Hat"
}
],
"source": "secalert@redhat.com"
}
],
"configurations": [
{
"nodes": [
{
"cpeMatch": [
{
"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
"matchCriteriaId": "202CAD0B-4BA5-4F2B-8C10-8290E5F5434C",
"versionEndExcluding": "5.14",
"vulnerable": true
}
],
"negate": false,
"operator": "OR"
}
]
},
{
"nodes": [
{
"cpeMatch": [
{
"criteria": "cpe:2.3:o:redhat:enterprise_linux:8.0:*:*:*:*:*:*:*",
"matchCriteriaId": "F4CFF558-3C47-480D-A2F0-BABF26042943",
"vulnerable": true
},
{
"criteria": "cpe:2.3:o:redhat:enterprise_linux_eus:8.8:*:*:*:*:*:*:*",
"matchCriteriaId": "62C31522-0A17-4025-B269-855C7F4B45C2",
"vulnerable": true
},
{
"criteria": "cpe:2.3:o:redhat:enterprise_linux_for_power_little_endian:8.0_ppc64le:*:*:*:*:*:*:*",
"matchCriteriaId": "23D471AC-7DCA-4425-AD91-E5D928753A8C",
"vulnerable": true
},
{
"criteria": "cpe:2.3:o:redhat:enterprise_linux_for_power_little_endian_eus:8.8_ppc64le:*:*:*:*:*:*:*",
"matchCriteriaId": "F91F9255-4EE1-43C7-8831-D2B6C228BFD9",
"vulnerable": true
},
{
"criteria": "cpe:2.3:o:redhat:enterprise_linux_server_tus:8.8:*:*:*:*:*:*:*",
"matchCriteriaId": "F1CA946D-1665-4874-9D41-C7D963DD1F56",
"vulnerable": true
}
],
"negate": false,
"operator": "OR"
}
]
}
],
"cveTags": [],
"descriptions": [
{
"lang": "en",
"value": "A use-after-free flaw was found in the Linux kernel\u2019s mm/mremap memory address space accounting source code. This issue occurs due to a race condition between rmap walk and mremap, allowing a local user to crash the system or potentially escalate their privileges on the system."
},
{
"lang": "es",
"value": "Se encontr\u00f3 una falla de use-after-free en el c\u00f3digo fuente de contabilidad del espacio de direcciones de memoria mm/mremap del kernel de Linux. Este problema ocurre debido a una condici\u00f3n de ejecuci\u00f3n entre rmap walk y mremap, lo que permite a un usuario local bloquear el sistema o potencialmente aumentar sus privilegios en el sistema."
}
],
"id": "CVE-2023-1476",
"lastModified": "2026-06-17T05:28:02.947",
"metrics": {
"cvssMetricV31": [
{
"cvssData": {
"attackComplexity": "HIGH",
"attackVector": "LOCAL",
"availabilityImpact": "HIGH",
"baseScore": 7.0,
"baseSeverity": "HIGH",
"confidentialityImpact": "HIGH",
"integrityImpact": "HIGH",
"privilegesRequired": "LOW",
"scope": "UNCHANGED",
"userInteraction": "NONE",
"vectorString": "CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H",
"version": "3.1"
},
"exploitabilityScore": 1.0,
"impactScore": 5.9,
"source": "secalert@redhat.com",
"type": "Secondary"
},
{
"cvssData": {
"attackComplexity": "HIGH",
"attackVector": "LOCAL",
"availabilityImpact": "HIGH",
"baseScore": 7.0,
"baseSeverity": "HIGH",
"confidentialityImpact": "HIGH",
"integrityImpact": "HIGH",
"privilegesRequired": "LOW",
"scope": "UNCHANGED",
"userInteraction": "NONE",
"vectorString": "CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H",
"version": "3.1"
},
"exploitabilityScore": 1.0,
"impactScore": 5.9,
"source": "nvd@nist.gov",
"type": "Primary"
}
],
"ssvcV203": [
{
"source": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
"ssvcData": {
"id": "CVE-2023-1476",
"options": [
{
"exploitation": "none"
},
{
"automatable": "no"
},
{
"technicalImpact": "total"
}
],
"role": "CISA Coordinator",
"timestamp": "2025-02-26T21:49:16.517284Z",
"version": "2.0.3"
}
}
]
},
"published": "2023-11-03T09:15:13.393",
"references": [
{
"source": "secalert@redhat.com",
"tags": [
"Third Party Advisory"
],
"url": "https://access.redhat.com/errata/RHSA-2023:1659"
},
{
"source": "secalert@redhat.com",
"tags": [
"Third Party Advisory"
],
"url": "https://access.redhat.com/security/cve/CVE-2023-1476"
},
{
"source": "secalert@redhat.com",
"tags": [
"Issue Tracking"
],
"url": "https://bugzilla.redhat.com/show_bug.cgi?id=2176035"
},
{
"source": "secalert@redhat.com",
"tags": [
"Mailing List",
"Patch"
],
"url": "https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=97113eb39fa7972722ff490b947d8af023e1f6a2"
},
{
"source": "af854a3a-2127-422b-91ae-364da2661108",
"tags": [
"Third Party Advisory"
],
"url": "https://access.redhat.com/errata/RHSA-2023:1659"
},
{
"source": "af854a3a-2127-422b-91ae-364da2661108",
"tags": [
"Third Party Advisory"
],
"url": "https://access.redhat.com/security/cve/CVE-2023-1476"
},
{
"source": "af854a3a-2127-422b-91ae-364da2661108",
"tags": [
"Issue Tracking"
],
"url": "https://bugzilla.redhat.com/show_bug.cgi?id=2176035"
},
{
"source": "af854a3a-2127-422b-91ae-364da2661108",
"tags": [
"Mailing List",
"Patch"
],
"url": "https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=97113eb39fa7972722ff490b947d8af023e1f6a2"
}
],
"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"
}
]
}
Loading…
Loading…
Drag nodes to arrange them. Double-click a related vulnerability to open it, or a source to visit its link. The Physics button on the left tunes the layout and the simulation; the legend at the bottom left hides or shows nodes by kind and by sighting type.
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.
Vulnerability timeline
Sightings and recorded dates, grouped by day · UTC
Loading timeline…
Loading…
Loading…
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.
Loading…
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.