CVE-2016-10208

The ext4_fill_super function in fs/ext4/super.c in the Linux kernel through 4.9.8 does not properly validate meta block groups, which allows physically proximate attackers to cause a denial of service (out-of-bounds read and system crash) via a crafted ext4 image.

CVSS v3.0 4.3 MEDIUM
CVSS v2.0 4.9 MEDIUM

4.3^/10

CVSS v3.0 : MEDIUM

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

Exploitability : 0.7 / Impact : 3.6

Attack Vector PHYSICAL

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
https://github.com/torvalds/linux/commit/3a4b77cd47bb837b8557595ec7425f281f2ca1fe	Issue Tracking Patch Third Party Advisory
https://bugzilla.redhat.com/show_bug.cgi?id=1395190	Issue Tracking Patch
http://www.openwall.com/lists/oss-security/2017/02/05/3	Mailing List Patch Third Party Advisory
http://seclists.org/fulldisclosure/2016/Nov/75	Mailing List Third Party Advisory
http://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=3a4b77cd47bb837b8557595ec7425f281f2ca1fe	Issue Tracking Patch Third Party Advisory
http://www.securityfocus.com/bid/94354
https://access.redhat.com/errata/RHSA-2017:1308
https://access.redhat.com/errata/RHSA-2017:1298
https://access.redhat.com/errata/RHSA-2017:1297
https://lists.debian.org/debian-lts-announce/2017/12/msg00004.html
https://usn.ubuntu.com/3754-1/

Advertisement

Configurations

Configuration 1 (hide)

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

Information

Published : 2017-02-05 22:59

Updated : 2018-08-24 03:29

NVD link : CVE-2016-10208

Mitre link : CVE-2016-10208

JSON object : View

CWE

CWE-125

Out-of-bounds Read

Advertisement

Products Affected

linux

linux_kernel

{"cve": {"data_type": "CVE", "references": {"reference_data": [{"url": "https://github.com/torvalds/linux/commit/3a4b77cd47bb837b8557595ec7425f281f2ca1fe", "name": "https://github.com/torvalds/linux/commit/3a4b77cd47bb837b8557595ec7425f281f2ca1fe", "tags": ["Issue Tracking", "Patch", "Third Party Advisory"], "refsource": "CONFIRM"}, {"url": "https://bugzilla.redhat.com/show_bug.cgi?id=1395190", "name": "https://bugzilla.redhat.com/show_bug.cgi?id=1395190", "tags": ["Issue Tracking", "Patch"], "refsource": "CONFIRM"}, {"url": "http://www.openwall.com/lists/oss-security/2017/02/05/3", "name": "[oss-security] 20170204 Re: Local DoS: Linux Kernel EXT4 Memory Corruption / SLAB-Out-of-Bounds Read", "tags": ["Mailing List", "Patch", "Third Party Advisory"], "refsource": "MLIST"}, {"url": "http://seclists.org/fulldisclosure/2016/Nov/75", "name": "20161115 OS-S 2016-22 - Local DoS: Linux Kernel EXT4 Memory Corruption / SLAB-Out-of-Bounds Read", "tags": ["Mailing List", "Third Party Advisory"], "refsource": "FULLDISC"}, {"url": "http://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=3a4b77cd47bb837b8557595ec7425f281f2ca1fe", "name": "http://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=3a4b77cd47bb837b8557595ec7425f281f2ca1fe", "tags": ["Issue Tracking", "Patch", "Third Party Advisory"], "refsource": "CONFIRM"}, {"url": "http://www.securityfocus.com/bid/94354", "name": "94354", "tags": [], "refsource": "BID"}, {"url": "https://access.redhat.com/errata/RHSA-2017:1308", "name": "RHSA-2017:1308", "tags": [], "refsource": "REDHAT"}, {"url": "https://access.redhat.com/errata/RHSA-2017:1298", "name": "RHSA-2017:1298", "tags": [], "refsource": "REDHAT"}, {"url": "https://access.redhat.com/errata/RHSA-2017:1297", "name": "RHSA-2017:1297", "tags": [], "refsource": "REDHAT"}, {"url": "https://lists.debian.org/debian-lts-announce/2017/12/msg00004.html", "name": "[debian-lts-announce] 20171210 [SECURITY] [DLA 1200-1] linux security update", "tags": [], "refsource": "MLIST"}, {"url": "https://usn.ubuntu.com/3754-1/", "name": "USN-3754-1", "tags": [], "refsource": "UBUNTU"}]}, "data_format": "MITRE", "description": {"description_data": [{"lang": "en", "value": "The ext4_fill_super function in fs/ext4/super.c in the Linux kernel through 4.9.8 does not properly validate meta block groups, which allows physically proximate attackers to cause a denial of service (out-of-bounds read and system crash) via a crafted ext4 image."}]}, "problemtype": {"problemtype_data": [{"description": [{"lang": "en", "value": "CWE-125"}]}]}, "data_version": "4.0", "CVE_data_meta": {"ID": "CVE-2016-10208", "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}, "baseMetricV3": {"cvssV3": {"scope": "UNCHANGED", "version": "3.0", "baseScore": 4.3, "attackVector": "PHYSICAL", "baseSeverity": "MEDIUM", "vectorString": "CVSS:3.0/AV:P/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": 0.7}}, "publishedDate": "2017-02-06T06:59Z", "configurations": {"nodes": [{"children": [], "operator": "OR", "cpe_match": [{"cpe23Uri": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "cpe_name": [], "vulnerable": true, "versionEndIncluding": "4.9.8"}]}], "CVE_data_version": "4.0"}, "lastModifiedDate": "2018-08-24T10:29Z"}