CVE-2019-12378

An issue was discovered in ip6_ra_control in net/ipv6/ipv6_sockglue.c in the Linux kernel through 5.1.5. There is an unchecked kmalloc of new_ra, which might allow an attacker to cause a denial of service (NULL pointer dereference and system crash). NOTE: This has been disputed as not an issue

CVSS v3 5.5 MEDIUM
CVSS v2.0 4.9 MEDIUM

5.5^/10

CVSS v3 : MEDIUM

Vector : AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H

Exploitability : 1.8 / Impact : 3.6

Attack Vector LOCAL

Attack Complexity LOW

Privileges Required LOW

User Interaction NONE

Confidentiality Impact NONE

Integrity Impact NONE

Availability Impact HIGH

Scope UNCHANGED

4.9^/10

CVSS v2.0 : MEDIUM

Vector : AV:L/AC:L/Au:N/C:N/I:N/A:C

Exploitability : 3.9 / Impact : 6.9

Access Vector LOCAL

Access Complexity LOW

Authentication NONE

Confidentiality Impact NONE

Integrity Impact NONE

Availability Impact COMPLETE

References

Link	Resource
http://www.securityfocus.com/bid/108475	Third Party Advisory VDB Entry
https://git.kernel.org/pub/scm/linux/kernel/git/davem/net.git/commit/?id=95baa60a0da80a0143e3ddd4d3725758b4513825	Mailing List Patch Vendor Advisory
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/J36BIJTKEPUOZKJNHQBUZA47RQONUKOI/
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/KLGWJKLMTBBB53D5QLS4HOY2EH246WBE/
https://lkml.org/lkml/2019/5/25/229	Mailing List Patch Third Party Advisory
http://www.securityfocus.com/bid/108475	Third Party Advisory VDB Entry
https://git.kernel.org/pub/scm/linux/kernel/git/davem/net.git/commit/?id=95baa60a0da80a0143e3ddd4d3725758b4513825	Mailing List Patch Vendor Advisory
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/J36BIJTKEPUOZKJNHQBUZA47RQONUKOI/
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/KLGWJKLMTBBB53D5QLS4HOY2EH246WBE/
https://lkml.org/lkml/2019/5/25/229	Mailing List Patch Third Party Advisory

Configurations

Configuration 1 (hide)

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

History

No history.

Information

Published : 2019-05-28 03:29

Updated : 2024-11-21 04:22

NVD link : CVE-2019-12378

Mitre link : CVE-2019-12378

CVE.ORG link : CVE-2019-12378

JSON object : View

Products Affected

linux

linux_kernel

CWE

CWE-476

NULL Pointer Dereference

{"id": "CVE-2019-12378", "cveTags": [{"tags": ["disputed"], "sourceIdentifier": "cve@mitre.org"}], "metrics": {"cvssMetricV2": [{"type": "Primary", "source": "nvd@nist.gov", "cvssData": {"version": "2.0", "baseScore": 4.9, "accessVector": "LOCAL", "vectorString": "AV:L/AC:L/Au:N/C:N/I:N/A:C", "authentication": "NONE", "integrityImpact": "NONE", "accessComplexity": "LOW", "availabilityImpact": "COMPLETE", "confidentialityImpact": "NONE"}, "acInsufInfo": false, "impactScore": 6.9, "baseSeverity": "MEDIUM", "obtainAllPrivilege": false, "exploitabilityScore": 3.9, "obtainUserPrivilege": false, "obtainOtherPrivilege": false, "userInteractionRequired": false}], "cvssMetricV30": [{"type": "Primary", "source": "nvd@nist.gov", "cvssData": {"scope": "UNCHANGED", "version": "3.0", "baseScore": 5.5, "attackVector": "LOCAL", "baseSeverity": "MEDIUM", "vectorString": "CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H", "integrityImpact": "NONE", "userInteraction": "NONE", "attackComplexity": "LOW", "availabilityImpact": "HIGH", "privilegesRequired": "LOW", "confidentialityImpact": "NONE"}, "impactScore": 3.6, "exploitabilityScore": 1.8}]}, "published": "2019-05-28T03:29:00.247", "references": [{"url": "http://www.securityfocus.com/bid/108475", "tags": ["Third Party Advisory", "VDB Entry"], "source": "cve@mitre.org"}, {"url": "https://git.kernel.org/pub/scm/linux/kernel/git/davem/net.git/commit/?id=95baa60a0da80a0143e3ddd4d3725758b4513825", "tags": ["Mailing List", "Patch", "Vendor Advisory"], "source": "cve@mitre.org"}, {"url": "https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/J36BIJTKEPUOZKJNHQBUZA47RQONUKOI/", "source": "cve@mitre.org"}, {"url": "https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/KLGWJKLMTBBB53D5QLS4HOY2EH246WBE/", "source": "cve@mitre.org"}, {"url": "https://lkml.org/lkml/2019/5/25/229", "tags": ["Mailing List", "Patch", "Third Party Advisory"], "source": "cve@mitre.org"}, {"url": "http://www.securityfocus.com/bid/108475", "tags": ["Third Party Advisory", "VDB Entry"], "source": "af854a3a-2127-422b-91ae-364da2661108"}, {"url": "https://git.kernel.org/pub/scm/linux/kernel/git/davem/net.git/commit/?id=95baa60a0da80a0143e3ddd4d3725758b4513825", "tags": ["Mailing List", "Patch", "Vendor Advisory"], "source": "af854a3a-2127-422b-91ae-364da2661108"}, {"url": "https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/J36BIJTKEPUOZKJNHQBUZA47RQONUKOI/", "source": "af854a3a-2127-422b-91ae-364da2661108"}, {"url": "https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/KLGWJKLMTBBB53D5QLS4HOY2EH246WBE/", "source": "af854a3a-2127-422b-91ae-364da2661108"}, {"url": "https://lkml.org/lkml/2019/5/25/229", "tags": ["Mailing List", "Patch", "Third Party Advisory"], "source": "af854a3a-2127-422b-91ae-364da2661108"}], "vulnStatus": "Modified", "weaknesses": [{"type": "Primary", "source": "nvd@nist.gov", "description": [{"lang": "en", "value": "CWE-476"}]}], "descriptions": [{"lang": "en", "value": "An issue was discovered in ip6_ra_control in net/ipv6/ipv6_sockglue.c in the Linux kernel through 5.1.5. There is an unchecked kmalloc of new_ra, which might allow an attacker to cause a denial of service (NULL pointer dereference and system crash). NOTE: This has been disputed as not an issue"}, {"lang": "es", "value": "** EN DISPUTA ** Un problema fue encontrado en la funci\u00f3n ip6_ra_control en el archivo net/pv6 / ipv6_sockglue.c en el kernel de Linux hasta la versi\u00f3n 5.1.5. Hay un kmalloc sin marcar de new_ra, que podr\u00eda permitir que un atacante provoque una Denegaci\u00f3n de Servicio (desreferencia de puntero NULL y bloqueo del sistema). NOTA: Esto ha sido discutido y no es una incidencia."}], "lastModified": "2024-11-21T04:22:42.387", "configurations": [{"nodes": [{"negate": false, "cpeMatch": [{"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "C3A44251-1463-4532-88A6-5A593BB766D6", "versionEndIncluding": "5.1.5"}], "operator": "OR"}]}], "sourceIdentifier": "cve@mitre.org"}