CVE-2023-45898 - Vulnerability Details - OpenCVE

The Linux kernel before 6.5.4 has an es1 use-after-free in fs/ext4/extents_status.c, related to ext4_es_insert_extent.

No CVSS v4.0

Attack Vector Local

Attack Complexity Low

Privileges Required Low

Scope Unchanged

Confidentiality Impact High

Integrity Impact High

Availability Impact High

User Interaction None

No CVSS v3.0

No CVSS v2

This CVE is not in the KEV list.

The EPSS score is 0.00106.

Exploitation none

Automatable no

Technical Impact total

Vendors	Products
Linux	Linux Kernel

Configuration 1 [-]

cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*

No data.

No data.

Advisories

Source	ID	Title
EUVD	EUVD-2023-50161	The Linux kernel before 6.5.4 has an es1 use-after-free in fs/ext4/extents_status.c, related to ext4_es_insert_extent.
Ubuntu USN	USN-6536-1	Linux kernel vulnerabilities
Ubuntu USN	USN-6537-1	Linux kernel (GCP) vulnerabilities
Ubuntu USN	USN-6573-1	Linux kernel (Azure) vulnerabilities

Fixes

Solution

No solution given by the vendor.

Workaround

No workaround given by the vendor.

References

Link	Providers
https://cdn.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.5.4
https://github.com/torvalds/linux/commit/768d612f79822d30a1e7d132a4d4b05337ce42ec
https://lkml.org/lkml/2023/8/13/477
https://lore.kernel.org/lkml/aa03f191-445c-0d2e-d6d7-0a3208d7df7a%40huawei.com/T/
https://nvd.nist.gov/vuln/detail/CVE-2023-45898
https://www.cve.org/CVERecord?id=CVE-2023-45898
https://www.spinics.net/lists/stable-commits/msg317086.html

History

Thu, 01 May 2025 16:15:00 +0000

Type	Values Removed	Values Added
Metrics		ssvc `{'options': {'Automatable': 'no', 'Exploitation': 'none', 'Technical Impact': 'total'}, 'version': '2.0.3'}`

MITRE

Status: PUBLISHED

Assigner: mitre

Published: 2023-10-16T00:00:00.000Z

Updated: 2025-05-01T15:57:31.468Z

Reserved: 2023-10-16T00:00:00.000Z

Link: CVE-2023-45898

Vulnrichment

Updated: 2024-08-02T20:29:32.569Z

NVD

Status : Analyzed

Published: 2023-10-16T03:15:09.320

Modified: 2025-05-05T14:12:02.350

Link: CVE-2023-45898

Redhat

Severity : Important

Publid Date: 2023-10-23T00:00:00Z

Links: CVE-2023-45898 - Bugzilla

OpenCVE Enrichment

No data.

{"dataType": "CVE_RECORD", "dataVersion": "5.1", "cveMetadata": {"state": "PUBLISHED", "cveId": "CVE-2023-45898", "assignerOrgId": "8254265b-2729-46b6-b9e3-3dfca2d5bfca", "assignerShortName": "mitre", "dateUpdated": "2025-05-01T15:57:31.468Z", "dateReserved": "2023-10-16T00:00:00.000Z", "datePublished": "2023-10-16T00:00:00.000Z"}, "containers": {"cna": {"providerMetadata": {"orgId": "8254265b-2729-46b6-b9e3-3dfca2d5bfca", "shortName": "mitre", "dateUpdated": "2023-10-16T02:10:09.538Z"}, "descriptions": [{"lang": "en", "value": "The Linux kernel before 6.5.4 has an es1 use-after-free in fs/ext4/extents_status.c, related to ext4_es_insert_extent."}], "affected": [{"vendor": "n/a", "product": "n/a", "versions": [{"version": "n/a", "status": "affected"}]}], "references": [{"url": "https://lore.kernel.org/lkml/aa03f191-445c-0d2e-d6d7-0a3208d7df7a%40huawei.com/T/"}, {"url": "https://www.spinics.net/lists/stable-commits/msg317086.html"}, {"url": "https://lkml.org/lkml/2023/8/13/477"}, {"url": "https://github.com/torvalds/linux/commit/768d612f79822d30a1e7d132a4d4b05337ce42ec"}, {"url": "https://cdn.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.5.4"}], "problemTypes": [{"descriptions": [{"type": "text", "lang": "en", "description": "n/a"}]}]}, "adp": [{"providerMetadata": {"orgId": "af854a3a-2127-422b-91ae-364da2661108", "shortName": "CVE", "dateUpdated": "2024-08-02T20:29:32.569Z"}, "title": "CVE Program Container", "references": [{"url": "https://lore.kernel.org/lkml/aa03f191-445c-0d2e-d6d7-0a3208d7df7a%40huawei.com/T/", "tags": ["x_transferred"]}, {"url": "https://www.spinics.net/lists/stable-commits/msg317086.html", "tags": ["x_transferred"]}, {"url": "https://lkml.org/lkml/2023/8/13/477", "tags": ["x_transferred"]}, {"url": "https://github.com/torvalds/linux/commit/768d612f79822d30a1e7d132a4d4b05337ce42ec", "tags": ["x_transferred"]}, {"url": "https://cdn.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.5.4", "tags": ["x_transferred"]}]}, {"problemTypes": [{"descriptions": [{"type": "CWE", "cweId": "CWE-416", "lang": "en", "description": "CWE-416 Use After Free"}]}], "metrics": [{"cvssV3_1": {"scope": "UNCHANGED", "version": "3.1", "baseScore": 7.8, "attackVector": "LOCAL", "baseSeverity": "HIGH", "vectorString": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H", "integrityImpact": "HIGH", "userInteraction": "NONE", "attackComplexity": "LOW", "availabilityImpact": "HIGH", "privilegesRequired": "LOW", "confidentialityImpact": "HIGH"}}, {"other": {"type": "ssvc", "content": {"timestamp": "2025-04-23T13:26:18.979257Z", "id": "CVE-2023-45898", "options": [{"Exploitation": "none"}, {"Automatable": "no"}, {"Technical Impact": "total"}], "role": "CISA Coordinator", "version": "2.0.3"}}}], "title": "CISA ADP Vulnrichment", "providerMetadata": {"orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "shortName": "CISA-ADP", "dateUpdated": "2025-05-01T15:57:31.468Z"}}]}}

{"dataType": "CVE_RECORD", "containers": {"adp": [{"title": "CVE Program Container", "references": [{"url": "https://lore.kernel.org/lkml/aa03f191-445c-0d2e-d6d7-0a3208d7df7a%40huawei.com/T/", "tags": ["x_transferred"]}, {"url": "https://www.spinics.net/lists/stable-commits/msg317086.html", "tags": ["x_transferred"]}, {"url": "https://lkml.org/lkml/2023/8/13/477", "tags": ["x_transferred"]}, {"url": "https://github.com/torvalds/linux/commit/768d612f79822d30a1e7d132a4d4b05337ce42ec", "tags": ["x_transferred"]}, {"url": "https://cdn.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.5.4", "tags": ["x_transferred"]}], "providerMetadata": {"orgId": "af854a3a-2127-422b-91ae-364da2661108", "shortName": "CVE", "dateUpdated": "2024-08-02T20:29:32.569Z"}}, {"title": "CISA ADP Vulnrichment", "metrics": [{"cvssV3_1": {"scope": "UNCHANGED", "version": "3.1", "baseScore": 7.8, "attackVector": "LOCAL", "baseSeverity": "HIGH", "vectorString": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H", "integrityImpact": "HIGH", "userInteraction": "NONE", "attackComplexity": "LOW", "availabilityImpact": "HIGH", "privilegesRequired": "LOW", "confidentialityImpact": "HIGH"}}, {"other": {"type": "ssvc", "content": {"id": "CVE-2023-45898", "role": "CISA Coordinator", "options": [{"Exploitation": "none"}, {"Automatable": "no"}, {"Technical Impact": "total"}], "version": "2.0.3", "timestamp": "2025-04-23T13:26:18.979257Z"}}}], "problemTypes": [{"descriptions": [{"lang": "en", "type": "CWE", "cweId": "CWE-416", "description": "CWE-416 Use After Free"}]}], "providerMetadata": {"orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "shortName": "CISA-ADP", "dateUpdated": "2025-05-01T15:40:38.879Z"}}], "cna": {"affected": [{"vendor": "n/a", "product": "n/a", "versions": [{"status": "affected", "version": "n/a"}]}], "references": [{"url": "https://lore.kernel.org/lkml/aa03f191-445c-0d2e-d6d7-0a3208d7df7a%40huawei.com/T/"}, {"url": "https://www.spinics.net/lists/stable-commits/msg317086.html"}, {"url": "https://lkml.org/lkml/2023/8/13/477"}, {"url": "https://github.com/torvalds/linux/commit/768d612f79822d30a1e7d132a4d4b05337ce42ec"}, {"url": "https://cdn.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.5.4"}], "descriptions": [{"lang": "en", "value": "The Linux kernel before 6.5.4 has an es1 use-after-free in fs/ext4/extents_status.c, related to ext4_es_insert_extent."}], "problemTypes": [{"descriptions": [{"lang": "en", "type": "text", "description": "n/a"}]}], "providerMetadata": {"orgId": "8254265b-2729-46b6-b9e3-3dfca2d5bfca", "shortName": "mitre", "dateUpdated": "2023-10-16T02:10:09.538Z"}}}, "cveMetadata": {"cveId": "CVE-2023-45898", "state": "PUBLISHED", "dateUpdated": "2025-05-01T15:57:31.468Z", "dateReserved": "2023-10-16T00:00:00.000Z", "assignerOrgId": "8254265b-2729-46b6-b9e3-3dfca2d5bfca", "datePublished": "2023-10-16T00:00:00.000Z", "assignerShortName": "mitre"}, "dataVersion": "5.1"}

{"configurations": [{"nodes": [{"cpeMatch": [{"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "matchCriteriaId": "F4A73D5A-6920-4AB6-8BF8-3FB9E71AF104", "versionEndExcluding": "6.5.4", "versionStartIncluding": "6.5", "vulnerable": true}], "negate": false, "operator": "OR"}]}], "cveTags": [], "descriptions": [{"lang": "en", "value": "The Linux kernel before 6.5.4 has an es1 use-after-free in fs/ext4/extents_status.c, related to ext4_es_insert_extent."}, {"lang": "es", "value": "El kernel de Linux anterior a 6.5.4 tiene un es1 use-after-free en fs/ext4/extents_status.c, relacionado con ext4_es_insert_extent."}], "id": "CVE-2023-45898", "lastModified": "2025-05-05T14:12:02.350", "metrics": {"cvssMetricV31": [{"cvssData": {"attackComplexity": "LOW", "attackVector": "LOCAL", "availabilityImpact": "HIGH", "baseScore": 7.8, "baseSeverity": "HIGH", "confidentialityImpact": "HIGH", "integrityImpact": "HIGH", "privilegesRequired": "LOW", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H", "version": "3.1"}, "exploitabilityScore": 1.8, "impactScore": 5.9, "source": "nvd@nist.gov", "type": "Primary"}, {"cvssData": {"attackComplexity": "LOW", "attackVector": "LOCAL", "availabilityImpact": "HIGH", "baseScore": 7.8, "baseSeverity": "HIGH", "confidentialityImpact": "HIGH", "integrityImpact": "HIGH", "privilegesRequired": "LOW", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H", "version": "3.1"}, "exploitabilityScore": 1.8, "impactScore": 5.9, "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "type": "Secondary"}]}, "published": "2023-10-16T03:15:09.320", "references": [{"source": "cve@mitre.org", "tags": ["Release Notes"], "url": "https://cdn.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.5.4"}, {"source": "cve@mitre.org", "tags": ["Patch"], "url": "https://github.com/torvalds/linux/commit/768d612f79822d30a1e7d132a4d4b05337ce42ec"}, {"source": "cve@mitre.org", "tags": ["Mailing List", "Patch"], "url": "https://lkml.org/lkml/2023/8/13/477"}, {"source": "cve@mitre.org", "tags": ["Third Party Advisory"], "url": "https://lore.kernel.org/lkml/aa03f191-445c-0d2e-d6d7-0a3208d7df7a%40huawei.com/T/"}, {"source": "cve@mitre.org", "tags": ["Mailing List", "Patch", "Third Party Advisory"], "url": "https://www.spinics.net/lists/stable-commits/msg317086.html"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Release Notes"], "url": "https://cdn.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.5.4"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Patch"], "url": "https://github.com/torvalds/linux/commit/768d612f79822d30a1e7d132a4d4b05337ce42ec"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Mailing List", "Patch"], "url": "https://lkml.org/lkml/2023/8/13/477"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Third Party Advisory"], "url": "https://lore.kernel.org/lkml/aa03f191-445c-0d2e-d6d7-0a3208d7df7a%40huawei.com/T/"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Mailing List", "Patch", "Third Party Advisory"], "url": "https://www.spinics.net/lists/stable-commits/msg317086.html"}], "sourceIdentifier": "cve@mitre.org", "vulnStatus": "Analyzed", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-416"}], "source": "nvd@nist.gov", "type": "Primary"}, {"description": [{"lang": "en", "value": "CWE-416"}], "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "type": "Secondary"}]}