CVE-2023-2513

A use-after-free vulnerability was found in the Linux kernel's ext4 filesystem in the way it handled the extra inode size for extended attributes. This flaw could allow a privileged local user to cause a system crash or other undefined behaviors.

CVSS v3 6.7 MEDIUM

6.7^/10

CVSS v3 : MEDIUM

Vector :

Exploitability : 0.8 / Impact : 5.9

Attack Vector LOCAL

Attack Complexity LOW

Privileges Required HIGH

User Interaction NONE

Confidentiality Impact HIGH

Integrity Impact HIGH

Availability Impact HIGH

Scope UNCHANGED

References

Link	Resource
https://bugzilla.redhat.com/show_bug.cgi?id=2193097	Issue Tracking Third Party Advisory
https://github.com/torvalds/linux/commit/67d7d8ad99be	Patch
https://lore.kernel.org/all/20220616021358.2504451-1-libaokun1%40huawei.com/

Configurations

Configuration 1 (hide)

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

Configuration 2 (hide)

OR	cpe:2.3:o:redhat:enterprise_linux:6.0:::::::*
	cpe:2.3:o:redhat:enterprise_linux:7.0:::::::*
	cpe:2.3:o:redhat:enterprise_linux:8.0:::::::*
	cpe:2.3:o:redhat:enterprise_linux:9.0:::::::*

History

07 Nov 2023, 04:12

Type	Values Removed	Values Added
References	{'url': 'https://lore.kernel.org/all/20220616021358.2504451-1-libaokun1@huawei.com/', 'name': 'https://lore.kernel.org/all/20220616021358.2504451-1-libaokun1@huawei.com/', 'tags': ['Mailing List', 'Third Party Advisory'], 'refsource': 'MISC'}	() https://lore.kernel.org/all/20220616021358.2504451-1-libaokun1%40huawei.com/ -

Information

Published : 2023-05-08 21:15

Updated : 2024-02-28 20:13

NVD link : CVE-2023-2513

Mitre link : CVE-2023-2513

CVE.ORG link : CVE-2023-2513

JSON object : View

Products Affected

linux

linux_kernel

redhat

enterprise_linux

CWE

CWE-416

Use After Free

{"id": "CVE-2023-2513", "metrics": {"cvssMetricV31": [{"type": "Primary", "source": "nvd@nist.gov", "cvssData": {"scope": "UNCHANGED", "version": "3.1", "baseScore": 6.7, "attackVector": "LOCAL", "baseSeverity": "MEDIUM", "vectorString": "CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H", "integrityImpact": "HIGH", "userInteraction": "NONE", "attackComplexity": "LOW", "availabilityImpact": "HIGH", "privilegesRequired": "HIGH", "confidentialityImpact": "HIGH"}, "impactScore": 5.9, "exploitabilityScore": 0.8}]}, "published": "2023-05-08T21:15:11.077", "references": [{"url": "https://bugzilla.redhat.com/show_bug.cgi?id=2193097", "tags": ["Issue Tracking", "Third Party Advisory"], "source": "secalert@redhat.com"}, {"url": "https://github.com/torvalds/linux/commit/67d7d8ad99be", "tags": ["Patch"], "source": "secalert@redhat.com"}, {"url": "https://lore.kernel.org/all/20220616021358.2504451-1-libaokun1%40huawei.com/", "source": "secalert@redhat.com"}], "vulnStatus": "Modified", "weaknesses": [{"type": "Primary", "source": "nvd@nist.gov", "description": [{"lang": "en", "value": "CWE-416"}]}, {"type": "Secondary", "source": "secalert@redhat.com", "description": [{"lang": "en", "value": "CWE-416"}]}], "descriptions": [{"lang": "en", "value": "A use-after-free vulnerability was found in the Linux kernel's ext4 filesystem in the way it handled the extra inode size for extended attributes. This flaw could allow a privileged local user to cause a system crash or other undefined behaviors."}], "lastModified": "2023-11-07T04:12:48.340", "configurations": [{"nodes": [{"negate": false, "cpeMatch": [{"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "2100D1B8-9648-47E0-8CA8-90D1FE7C62FD", "versionEndIncluding": "5.19"}], "operator": "OR"}]}, {"nodes": [{"negate": false, "cpeMatch": [{"criteria": "cpe:2.3:o:redhat:enterprise_linux:6.0:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "2F6AB192-9D7D-4A9A-8995-E53A9DE9EAFC"}, {"criteria": "cpe:2.3:o:redhat:enterprise_linux:7.0:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "142AD0DD-4CF3-4D74-9442-459CE3347E3A"}, {"criteria": "cpe:2.3:o:redhat:enterprise_linux:8.0:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "F4CFF558-3C47-480D-A2F0-BABF26042943"}, {"criteria": "cpe:2.3:o:redhat:enterprise_linux:9.0:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "7F6FB57C-2BC7-487C-96DD-132683AEB35D"}], "operator": "OR"}]}], "sourceIdentifier": "secalert@redhat.com"}