CVE-2017-18203

The dm_get_from_kobject function in drivers/md/dm.c in the Linux kernel before 4.14.3 allow local users to cause a denial of service (BUG) by leveraging a race condition with __dm_destroy during creation and removal of DM devices.

CVSS v3.0 4.7 MEDIUM
CVSS v2.0 1.9 LOW

4.7^/10

CVSS v3.0 : MEDIUM

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

Exploitability : 1.0 / Impact : 3.6

Attack Vector LOCAL

Attack Complexity HIGH

Privileges Required LOW

User Interaction NONE

Confidentiality Impact NONE

Integrity Impact NONE

Availability Impact HIGH

Scope UNCHANGED

1.9^/10

CVSS v2.0 : LOW

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

Exploitability : 3.4 / Impact : 2.9

Access Vector LOCAL

Access Complexity MEDIUM

Authentication NONE

Confidentiality Impact NONE

Integrity Impact NONE

Availability Impact PARTIAL

References

Link	Resource
https://www.kernel.org/pub/linux/kernel/v4.x/ChangeLog-4.14.3	Release Notes Vendor Advisory
https://github.com/torvalds/linux/commit/b9a41d21dceadf8104812626ef85dc56ee8a60ed	Patch Third Party Advisory
http://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=b9a41d21dceadf8104812626ef85dc56ee8a60ed	Patch Vendor Advisory
http://www.securityfocus.com/bid/103184	Third Party Advisory VDB Entry
https://usn.ubuntu.com/3619-1/
https://usn.ubuntu.com/3619-2/
https://access.redhat.com/errata/RHSA-2018:1062
https://access.redhat.com/errata/RHSA-2018:0676
https://www.debian.org/security/2018/dsa-4187
https://lists.debian.org/debian-lts-announce/2018/05/msg00000.html
https://usn.ubuntu.com/3655-2/
https://usn.ubuntu.com/3653-2/
https://usn.ubuntu.com/3653-1/
https://usn.ubuntu.com/3657-1/
https://usn.ubuntu.com/3655-1/
https://access.redhat.com/errata/RHSA-2018:1854
https://access.redhat.com/errata/RHSA-2019:4154

Advertisement

Configurations

Configuration 1 (hide)

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

Information

Published : 2018-02-27 12:29

Updated : 2018-06-19 18:29

NVD link : CVE-2017-18203

Mitre link : CVE-2017-18203

JSON object : View

CWE

CWE-362

Concurrent Execution using Shared Resource with Improper Synchronization ('Race Condition')

Advertisement

Products Affected

linux

linux_kernel

{"cve": {"data_type": "CVE", "references": {"reference_data": [{"url": "https://www.kernel.org/pub/linux/kernel/v4.x/ChangeLog-4.14.3", "name": "https://www.kernel.org/pub/linux/kernel/v4.x/ChangeLog-4.14.3", "tags": ["Release Notes", "Vendor Advisory"], "refsource": "MISC"}, {"url": "https://github.com/torvalds/linux/commit/b9a41d21dceadf8104812626ef85dc56ee8a60ed", "name": "https://github.com/torvalds/linux/commit/b9a41d21dceadf8104812626ef85dc56ee8a60ed", "tags": ["Patch", "Third Party Advisory"], "refsource": "MISC"}, {"url": "http://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=b9a41d21dceadf8104812626ef85dc56ee8a60ed", "name": "http://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=b9a41d21dceadf8104812626ef85dc56ee8a60ed", "tags": ["Patch", "Vendor Advisory"], "refsource": "MISC"}, {"url": "http://www.securityfocus.com/bid/103184", "name": "103184", "tags": ["Third Party Advisory", "VDB Entry"], "refsource": "BID"}, {"url": "https://usn.ubuntu.com/3619-1/", "name": "USN-3619-1", "tags": [], "refsource": "UBUNTU"}, {"url": "https://usn.ubuntu.com/3619-2/", "name": "USN-3619-2", "tags": [], "refsource": "UBUNTU"}, {"url": "https://access.redhat.com/errata/RHSA-2018:1062", "name": "RHSA-2018:1062", "tags": [], "refsource": "REDHAT"}, {"url": "https://access.redhat.com/errata/RHSA-2018:0676", "name": "RHSA-2018:0676", "tags": [], "refsource": "REDHAT"}, {"url": "https://www.debian.org/security/2018/dsa-4187", "name": "DSA-4187", "tags": [], "refsource": "DEBIAN"}, {"url": "https://lists.debian.org/debian-lts-announce/2018/05/msg00000.html", "name": "[debian-lts-announce] 20180502 [SECURITY] [DLA 1369-1] linux security update", "tags": [], "refsource": "MLIST"}, {"url": "https://usn.ubuntu.com/3655-2/", "name": "USN-3655-2", "tags": [], "refsource": "UBUNTU"}, {"url": "https://usn.ubuntu.com/3653-2/", "name": "USN-3653-2", "tags": [], "refsource": "UBUNTU"}, {"url": "https://usn.ubuntu.com/3653-1/", "name": "USN-3653-1", "tags": [], "refsource": "UBUNTU"}, {"url": "https://usn.ubuntu.com/3657-1/", "name": "USN-3657-1", "tags": [], "refsource": "UBUNTU"}, {"url": "https://usn.ubuntu.com/3655-1/", "name": "USN-3655-1", "tags": [], "refsource": "UBUNTU"}, {"url": "https://access.redhat.com/errata/RHSA-2018:1854", "name": "RHSA-2018:1854", "tags": [], "refsource": "REDHAT"}, {"url": "https://access.redhat.com/errata/RHSA-2019:4154", "name": "RHSA-2019:4154", "tags": [], "refsource": "REDHAT"}]}, "data_format": "MITRE", "description": {"description_data": [{"lang": "en", "value": "The dm_get_from_kobject function in drivers/md/dm.c in the Linux kernel before 4.14.3 allow local users to cause a denial of service (BUG) by leveraging a race condition with __dm_destroy during creation and removal of DM devices."}]}, "problemtype": {"problemtype_data": [{"description": [{"lang": "en", "value": "CWE-362"}]}]}, "data_version": "4.0", "CVE_data_meta": {"ID": "CVE-2017-18203", "ASSIGNER": "cve@mitre.org"}}, "impact": {"baseMetricV2": {"cvssV2": {"version": "2.0", "baseScore": 1.9, "accessVector": "LOCAL", "vectorString": "AV:L/AC:M/Au:N/C:N/I:N/A:P", "authentication": "NONE", "integrityImpact": "NONE", "accessComplexity": "MEDIUM", "availabilityImpact": "PARTIAL", "confidentialityImpact": "NONE"}, "severity": "LOW", "impactScore": 2.9, "obtainAllPrivilege": false, "exploitabilityScore": 3.4, "obtainUserPrivilege": false, "obtainOtherPrivilege": false, "userInteractionRequired": false}, "baseMetricV3": {"cvssV3": {"scope": "UNCHANGED", "version": "3.0", "baseScore": 4.7, "attackVector": "LOCAL", "baseSeverity": "MEDIUM", "vectorString": "CVSS:3.0/AV:L/AC:H/PR:L/UI:N/S:U/C:N/I:N/A:H", "integrityImpact": "NONE", "userInteraction": "NONE", "attackComplexity": "HIGH", "availabilityImpact": "HIGH", "privilegesRequired": "LOW", "confidentialityImpact": "NONE"}, "impactScore": 3.6, "exploitabilityScore": 1.0}}, "publishedDate": "2018-02-27T20:29Z", "configurations": {"nodes": [{"children": [], "operator": "OR", "cpe_match": [{"cpe23Uri": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "cpe_name": [], "vulnerable": true, "versionEndExcluding": "4.14.3"}]}], "CVE_data_version": "4.0"}, "lastModifiedDate": "2018-06-20T01:29Z"}