CVE-2015-3332

A certain backport in the TCP Fast Open implementation for the Linux kernel before 3.18 does not properly maintain a count value, which allow local users to cause a denial of service (system crash) via the Fast Open feature, as demonstrated by visiting the chrome://flags/#enable-tcp-fast-open URL when using certain 3.10.x through 3.16.x kernel builds, including longterm-maintenance releases and ckt (aka Canonical Kernel Team) builds.

CVSS v2.0 4.9 MEDIUM

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
https://bugs.debian.org/782515
http://article.gmane.org/gmane.linux.network/359588
https://bugzilla.redhat.com/show_bug.cgi?id=1213951
http://www.openwall.com/lists/oss-security/2015/04/14/14
http://www.debian.org/security/2015/dsa-3237

Advertisement

Configurations

Configuration 1 (hide)

cpe:2.3:o:debian:debian_linux:*:*:*:*:*:*:*:*

Configuration 2 (hide)

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

Information

Published : 2015-05-27 03:59

Updated : 2016-04-11 11:54

NVD link : CVE-2015-3332

Mitre link : CVE-2015-3332

JSON object : View

CWE

CWE-399

Resource Management Errors

Advertisement

Products Affected

debian

debian_linux

linux

linux_kernel

{"cve": {"data_type": "CVE", "references": {"reference_data": [{"url": "https://bugs.debian.org/782515", "name": "https://bugs.debian.org/782515", "tags": [], "refsource": "CONFIRM"}, {"url": "http://article.gmane.org/gmane.linux.network/359588", "name": "[netdev] 20150414 [stable regression] tcp: make connect() mem charging friendly", "tags": [], "refsource": "MLIST"}, {"url": "https://bugzilla.redhat.com/show_bug.cgi?id=1213951", "name": "https://bugzilla.redhat.com/show_bug.cgi?id=1213951", "tags": [], "refsource": "CONFIRM"}, {"url": "http://www.openwall.com/lists/oss-security/2015/04/14/14", "name": "[oss-security] 20150414 TCP Fast Open local DoS in some Linux stable branches", "tags": [], "refsource": "MLIST"}, {"url": "http://www.debian.org/security/2015/dsa-3237", "name": "DSA-3237", "tags": [], "refsource": "DEBIAN"}]}, "data_format": "MITRE", "description": {"description_data": [{"lang": "en", "value": "A certain backport in the TCP Fast Open implementation for the Linux kernel before 3.18 does not properly maintain a count value, which allow local users to cause a denial of service (system crash) via the Fast Open feature, as demonstrated by visiting the chrome://flags/#enable-tcp-fast-open URL when using certain 3.10.x through 3.16.x kernel builds, including longterm-maintenance releases and ckt (aka Canonical Kernel Team) builds."}]}, "problemtype": {"problemtype_data": [{"description": [{"lang": "en", "value": "CWE-399"}]}]}, "data_version": "4.0", "CVE_data_meta": {"ID": "CVE-2015-3332", "ASSIGNER": "cve@mitre.org"}}, "impact": {"baseMetricV2": {"cvssV2": {"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"}, "severity": "MEDIUM", "impactScore": 6.9, "obtainAllPrivilege": false, "exploitabilityScore": 3.9, "obtainUserPrivilege": false, "obtainOtherPrivilege": false, "userInteractionRequired": false}}, "publishedDate": "2015-05-27T10:59Z", "configurations": {"nodes": [{"children": [], "operator": "OR", "cpe_match": [{"cpe23Uri": "cpe:2.3:o:debian:debian_linux:*:*:*:*:*:*:*:*", "cpe_name": [], "vulnerable": true}]}, {"children": [], "operator": "OR", "cpe_match": [{"cpe23Uri": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "cpe_name": [], "vulnerable": true, "versionEndIncluding": "3.17.8"}]}], "CVE_data_version": "4.0"}, "lastModifiedDate": "2016-04-11T18:54Z"}