CVE-2023-2163

Incorrect verifier pruning in BPF in Linux Kernel >=5.4 leads to unsafe code paths being incorrectly marked as safe, resulting in arbitrary read/write in kernel memory, lateral privilege escalation, and container escape.

CVSS v3 8.8 HIGH

8.8^/10

CVSS v3 : HIGH

Vector :

Exploitability : 2.0 / Impact : 6.0

Attack Vector LOCAL

Attack Complexity LOW

Privileges Required LOW

User Interaction NONE

Confidentiality Impact HIGH

Integrity Impact HIGH

Availability Impact HIGH

Scope CHANGED

References

Link	Resource
https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=71b547f561247897a0a14f3082730156c0533fed	Mailing List Patch

Configurations

Configuration 1 (hide)

OR	cpe:2.3:o:linux:linux_kernel::::::::
	cpe:2.3:o:linux:linux_kernel::::::::
	cpe:2.3:o:linux:linux_kernel::::::::
	cpe:2.3:o:linux:linux_kernel::::::::
	cpe:2.3:o:linux:linux_kernel::::::::

History

21 May 2024, 04:15

Type	Values Removed	Values Added
Summary	(en) Incorrect verifier pruning in BPF in Linux Kernel >=5.4 leads to unsafe code paths being incorrectly marked as safe, resulting in arbitrary read/write in kernel memory, lateral privilege escalation, and container escape.	(en) Incorrect verifier pruning in BPF in Linux Kernel >=5.4 leads to unsafe code paths being incorrectly marked as safe, resulting in arbitrary read/write in kernel memory, lateral privilege escalation, and container escape.

15 Dec 2023, 15:48

Type	Values Removed	Values Added
New CVE

Information

Published : 2023-09-20 06:15

Updated : 2024-05-21 04:15

NVD link : CVE-2023-2163

Mitre link : CVE-2023-2163

CVE.ORG link : CVE-2023-2163

JSON object : View

Products Affected

linux

linux_kernel

CWE

CWE-682

Incorrect Calculation

{"id": "CVE-2023-2163", "metrics": {"cvssMetricV31": [{"type": "Primary", "source": "nvd@nist.gov", "cvssData": {"scope": "CHANGED", "version": "3.1", "baseScore": 8.8, "attackVector": "LOCAL", "baseSeverity": "HIGH", "vectorString": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H", "integrityImpact": "HIGH", "userInteraction": "NONE", "attackComplexity": "LOW", "availabilityImpact": "HIGH", "privilegesRequired": "LOW", "confidentialityImpact": "HIGH"}, "impactScore": 6.0, "exploitabilityScore": 2.0}, {"type": "Secondary", "source": "cve-coordination@google.com", "cvssData": {"scope": "CHANGED", "version": "3.1", "baseScore": 10.0, "attackVector": "NETWORK", "baseSeverity": "CRITICAL", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:N", "integrityImpact": "HIGH", "userInteraction": "NONE", "attackComplexity": "LOW", "availabilityImpact": "NONE", "privilegesRequired": "NONE", "confidentialityImpact": "HIGH"}, "impactScore": 5.8, "exploitabilityScore": 3.9}]}, "published": "2023-09-20T06:15:10.233", "references": [{"url": "https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=71b547f561247897a0a14f3082730156c0533fed", "tags": ["Mailing List", "Patch"], "source": "cve-coordination@google.com"}], "vulnStatus": "Modified", "weaknesses": [{"type": "Primary", "source": "nvd@nist.gov", "description": [{"lang": "en", "value": "CWE-682"}]}, {"type": "Secondary", "source": "cve-coordination@google.com", "description": [{"lang": "en", "value": "CWE-682"}]}], "descriptions": [{"lang": "en", "value": "Incorrect verifier pruning\u00a0in BPF in Linux Kernel\u00a0>=5.4\u00a0leads to unsafe\ncode paths being incorrectly marked as safe, resulting in\u00a0arbitrary read/write in\nkernel memory, lateral privilege escalation, and container escape."}, {"lang": "es", "value": "La poda incorrecta del verificador en BPF en el kernel de Linux >=5.4 conduce a que las rutas de c\u00f3digo inseguras se marquen incorrectamente como seguras, lo que resulta en lectura/escritura arbitraria en la memoria del kernel, escalada de privilegios lateral y escape de contenedor."}], "lastModified": "2024-05-21T04:15:11.240", "configurations": [{"nodes": [{"negate": false, "cpeMatch": [{"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "9C1E37DC-B08A-4CB0-B689-FE26E2B39375", "versionEndExcluding": "5.4.242", "versionStartIncluding": "5.3"}, {"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "3567B8E6-5C31-435F-95D1-6A2BB44CB9D1", "versionEndExcluding": "5.10.179", "versionStartIncluding": "5.5"}, {"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "4C603326-394E-408E-B5E1-011979F7BD9D", "versionEndExcluding": "5.15.109", "versionStartIncluding": "5.11"}, {"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "23989D73-416D-4C1B-8D9D-2A43A43DA115", "versionEndExcluding": "6.1.26", "versionStartIncluding": "5.16"}, {"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "BFF8B56C-0201-4D6A-901E-C9C643C04FF6", "versionEndExcluding": "6.2.13", "versionStartIncluding": "6.2"}], "operator": "OR"}]}], "sourceIdentifier": "cve-coordination@google.com"}