CVE-2020-12659

An issue was discovered in the Linux kernel before 5.6.7. xdp_umem_reg in net/xdp/xdp_umem.c has an out-of-bounds write (by a user with the CAP_NET_ADMIN capability) because of a lack of headroom validation.

CVSS v3.0 6.7 MEDIUM
CVSS v2.0 7.2 HIGH

6.7^/10

CVSS v3.0 : 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

7.2^/10

CVSS v2.0 : HIGH

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

Exploitability : 3.9 / Impact : 10.0

Access Vector LOCAL

Access Complexity LOW

Authentication NONE

Confidentiality Impact COMPLETE

Integrity Impact COMPLETE

Availability Impact COMPLETE

References

Link	Resource
https://bugzilla.kernel.org/show_bug.cgi?id=207225	Exploit Issue Tracking Vendor Advisory
https://cdn.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.6.7	Release Notes Vendor Advisory
https://github.com/torvalds/linux/commit/99e3a236dd43d06c65af0a2ef9cb44306aef6e02	Patch Third Party Advisory
https://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=99e3a236dd43d06c65af0a2ef9cb44306aef6e02	Patch Third Party Advisory
https://security.netapp.com/advisory/ntap-20200608-0001/
http://lists.opensuse.org/opensuse-security-announce/2020-06/msg00022.html
https://usn.ubuntu.com/4388-1/
https://usn.ubuntu.com/4389-1/
https://usn.ubuntu.com/4387-1/

Configurations

Configuration 1 (hide)

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

Information

Published : 2020-05-05 07:15

Updated : 2020-06-17 18:15

NVD link : CVE-2020-12659

Mitre link : CVE-2020-12659

JSON object : View

Products Affected

linux

linux_kernel

CWE

CWE-787

Out-of-bounds Write

{"cve": {"data_type": "CVE", "references": {"reference_data": [{"url": "https://bugzilla.kernel.org/show_bug.cgi?id=207225", "name": "https://bugzilla.kernel.org/show_bug.cgi?id=207225", "tags": ["Exploit", "Issue Tracking", "Vendor Advisory"], "refsource": "MISC"}, {"url": "https://cdn.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.6.7", "name": "https://cdn.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.6.7", "tags": ["Release Notes", "Vendor Advisory"], "refsource": "MISC"}, {"url": "https://github.com/torvalds/linux/commit/99e3a236dd43d06c65af0a2ef9cb44306aef6e02", "name": "https://github.com/torvalds/linux/commit/99e3a236dd43d06c65af0a2ef9cb44306aef6e02", "tags": ["Patch", "Third Party Advisory"], "refsource": "MISC"}, {"url": "https://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=99e3a236dd43d06c65af0a2ef9cb44306aef6e02", "name": "https://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=99e3a236dd43d06c65af0a2ef9cb44306aef6e02", "tags": ["Patch", "Third Party Advisory"], "refsource": "MISC"}, {"url": "https://security.netapp.com/advisory/ntap-20200608-0001/", "name": "https://security.netapp.com/advisory/ntap-20200608-0001/", "tags": [], "refsource": "CONFIRM"}, {"url": "http://lists.opensuse.org/opensuse-security-announce/2020-06/msg00022.html", "name": "openSUSE-SU-2020:0801", "tags": [], "refsource": "SUSE"}, {"url": "https://usn.ubuntu.com/4388-1/", "name": "USN-4388-1", "tags": [], "refsource": "UBUNTU"}, {"url": "https://usn.ubuntu.com/4389-1/", "name": "USN-4389-1", "tags": [], "refsource": "UBUNTU"}, {"url": "https://usn.ubuntu.com/4387-1/", "name": "USN-4387-1", "tags": [], "refsource": "UBUNTU"}]}, "data_format": "MITRE", "description": {"description_data": [{"lang": "en", "value": "An issue was discovered in the Linux kernel before 5.6.7. xdp_umem_reg in net/xdp/xdp_umem.c has an out-of-bounds write (by a user with the CAP_NET_ADMIN capability) because of a lack of headroom validation."}]}, "problemtype": {"problemtype_data": [{"description": [{"lang": "en", "value": "CWE-787"}]}]}, "data_version": "4.0", "CVE_data_meta": {"ID": "CVE-2020-12659", "ASSIGNER": "cve@mitre.org"}}, "impact": {"baseMetricV2": {"cvssV2": {"version": "2.0", "baseScore": 7.2, "accessVector": "LOCAL", "vectorString": "AV:L/AC:L/Au:N/C:C/I:C/A:C", "authentication": "NONE", "integrityImpact": "COMPLETE", "accessComplexity": "LOW", "availabilityImpact": "COMPLETE", "confidentialityImpact": "COMPLETE"}, "severity": "HIGH", "acInsufInfo": false, "impactScore": 10.0, "obtainAllPrivilege": false, "exploitabilityScore": 3.9, "obtainUserPrivilege": false, "obtainOtherPrivilege": false, "userInteractionRequired": false}, "baseMetricV3": {"cvssV3": {"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}}, "publishedDate": "2020-05-05T07:15Z", "configurations": {"nodes": [{"children": [], "operator": "OR", "cpe_match": [{"cpe23Uri": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "cpe_name": [], "vulnerable": true, "versionEndExcluding": "5.6.7"}]}], "CVE_data_version": "4.0"}, "lastModifiedDate": "2020-06-17T18:15Z"}