CVE-2016-8666

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Summary

CVECVE-2016-8666
StatePUBLISHED
Assignermicrofocus
Source PriorityCVE Program / NVD first with legacy fallback
Published2016-10-16 21:59:15 UTC
Updated2026-05-06 22:30:45 UTC
DescriptionThe IP stack in the Linux kernel before 4.6 allows remote attackers to cause a denial of service (stack consumption and panic) or possibly have unspecified other impact by triggering use of the GRO path for packets with tunnel stacking, as demonstrated by interleaved IPv4 headers and GRE headers, a related issue to CVE-2016-7039.

Risk And Classification

Primary CVSS: v3.1 7.5 HIGH from [email protected]

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

Problem Types: CWE-400 | n/a

VersionSourceTypeScoreSeverityVector
3.1[email protected]Primary7.5HIGHCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
2.0[email protected]Primary7.8AV:N/AC:L/Au:N/C:N/I:N/A:C

CVSS v3.1 Breakdown

Attack Vector
Network
Attack Complexity
Low
Privileges Required
None
User Interaction
None
Scope
Unchanged
Confidentiality
None
Integrity
None
Availability
High

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

CVSS v2.0 Breakdown

Access Vector
Network
Access Complexity
Low
Authentication
None
Confidentiality
None
Integrity
None
Availability
Complete

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

NVD Known Affected Configurations (CPE 2.3)

TypeVendorProductVersionUpdateEditionLanguage
Operating System Linux Linux Kernel All All All All

Vendor Declared Affected Products

SourceVendorProductVersionPlatforms
CNA Na N/a affected n/a Not specified

References

ReferenceSourceLinkTags
Red Hat Customer Portal af854a3a-2127-422b-91ae-364da2661108 rhn.redhat.com
Red Hat Customer Portal - Access to 24x7 support and knowledge af854a3a-2127-422b-91ae-364da2661108 access.redhat.com
Red Hat Customer Portal af854a3a-2127-422b-91ae-364da2661108 rhn.redhat.com
Red Hat Customer Portal af854a3a-2127-422b-91ae-364da2661108 rhn.redhat.com
tunnels: Don't apply GRO to multiple layers of encapsulation. · torvalds/linux@fac8e0f · GitHub af854a3a-2127-422b-91ae-364da2661108 github.com
Bug 1384991 – CVE-2016-8666 kernel: Remotely triggerable recursion in GRE code leading to kernel crash af854a3a-2127-422b-91ae-364da2661108 bugzilla.redhat.com
Linux Kernel CVE-2016-8666 Stack Overflow Denial of Service Vulnerability af854a3a-2127-422b-91ae-364da2661108 www.securityfocus.com
kernel/git/torvalds/linux.git - Linux kernel source tree af854a3a-2127-422b-91ae-364da2661108 git.kernel.org
oss-security - CVE Request: another recursion in GRE af854a3a-2127-422b-91ae-364da2661108 www.openwall.com
Bug 1001486 – VUL-0: CVE-2016-7039, CVE-2016-8666: kernel-source: remote crash via stack overflow af854a3a-2127-422b-91ae-364da2661108 bugzilla.suse.com
Red Hat Customer Portal af854a3a-2127-422b-91ae-364da2661108 rhn.redhat.com
Broadcom Support Portal af854a3a-2127-422b-91ae-364da2661108 bto.bluecoat.com
CVE Program record CVE.ORG www.cve.org canonical
NVD vulnerability detail NVD nvd.nist.gov canonical, analysis

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