CVE-2016-7039

The IP stack in the Linux kernel through 4.8.2 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 large crafted packets, as demonstrated by packets that contain only VLAN headers, a related issue to CVE-2016-8666.

Published: 2016-10-16 Last update: 2026-05-06 Assigner: [email protected] Source: [email protected]

Conclusion & alert: CVE-2016-7039 is rated Moderate Risk (57.9/100): CVSS High severity, with medium exploitation likelihood (EPSS 1.21%). Mandatory action: Review affected assets and schedule remediation.

Risk is dynamic; we continuously reassess and refresh what is shown on this page as upstream context changes.

Exploit prediction scoring system (EPSS) score for CVE-2016-7039

EPSS lead: Daily EPSS estimates relative likelihood of exploitation; percentile ranks this CVE among scored vulnerabilities (higher = more severe relative rank).

# Date Old EPSS score New EPSS score Delta (New - Old)
1 2026-03-18 0.90% 1.21% +0.31%
2 2026-01-19 0.32% 0.90% +0.58%
3 2025-12-04 0.32%

Full EPSS history (13 records total)

Common vulnerability scoring system (CVSS) metrics for CVE-2016-7039

CVSS metrics for this CVE.

Base score Version Severity Vector Exploitability Impact Score source
7.5 3.1 HIGH
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H Click to expand
Attack vector (AV:N)
Could be attacked over the internet or any normal routed network—not just someone sitting at the machine.
Attack complexity (AC:L)
Once they can reach the bug, pulling it off is straightforward—no weird race conditions or rare setup.
Privileges required (PR:N)
No account or special rights needed—anonymous or random user is enough.
User interaction (UI:N)
Nobody has to click “OK” or open a trap file; it can work without a victim helping.
Scope (S:U)
Damage stays in the same “trust bubble” as the broken component—no big spill into unrelated systems.
Confidentiality (C:N)
Doesn’t really leak secrets in a meaningful way.
Integrity (I:N)
Data isn’t meaningfully altered or forged.
Availability (A:H)
Could take the service down hard or make it unusable for people who depend on it.
3.9 3.6 [email protected]
7.8 2.0 HIGH
AV:N/AC:L/Au:N/C:N/I:N/A:C Click to expand
Access vector (AV:N)
Can be exploited remotely over network reachability.
Access complexity (AC:L)
Exploitation conditions are straightforward and predictable.
Authentication (AU:N)
No authentication is required.
Confidentiality impact (C:N)
No confidentiality impact.
Integrity impact (I:N)
No integrity impact.
Availability impact (A:C)
Complete availability impact.
10.0 6.9 [email protected]

Weakness enumeration for CVE-2016-7039

OS Trackers for CVE-2016-7039

vendor priority summary link
debian not yet assigned CVE-2016-7039 not yet assigned priority: Debian including 1 source packages (linux), 5 status rows across 5 suites (bookworm, bullseye, forky, sid, trixie): resolved 5. https://security-tracker.debian.org/tracker/CVE-2016-7039
redhat high https://access.redhat.com/security/cve/CVE-2016-7039
suse high CVE-2016-7039 severity important: SUSE including 104 source package names (cluster-md-kmp-default-4.4.38-93.1, cluster-network-kmp-default-4.4.38-93.1, …), 400 product×package rows across 75 product lines (HPE Helion OpenStack 8, SLES for SAP Applications 11 SP3, … (75 product lines)): Known Not Affected 275, Fixed 125. https://www.suse.com/security/cve/CVE-2016-7039/
ubuntu high CVE-2016-7039 high priority: Ubuntu including 27 source packages (linux, linux-armadaxp, …), 135 status rows across 5 suites (precise, trusty, upstream, xenial, yakkety): DNE 81, released 32, not-affected 15, ignored 7. https://ubuntu.com/security/CVE-2016-7039

Affected software / configurations for CVE-2016-7039

Vendor Product Version Raw CPE
oracle linux 6 cpe:2.3:o:oracle:linux:6:*:*:*:*:*:*:*
oracle linux 7 cpe:2.3:o:oracle:linux:7:*:*:*:*:*:*:*
oracle vm_server 3.4 cpe:2.3:o:oracle:vm_server:3.4:*:*:*:*:*:*:*
linux linux_kernel >= 4.0, < 4.1.37 cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*
linux linux_kernel >= 4.2, < 4.4.32 cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*
linux linux_kernel >= 4.5, < 4.8.8 cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*

References for CVE-2016-7039

URL Tags
http://rhn.redhat.com/errata/RHSA-2016-2047.html Third Party Advisory
http://rhn.redhat.com/errata/RHSA-2016-2107.html Third Party Advisory
http://rhn.redhat.com/errata/RHSA-2016-2110.html Third Party Advisory
http://www.openwall.com/lists/oss-security/2016/10/10/15 Mailing List Patch Third Party Advisory
http://www.oracle.com/technetwork/topics/security/linuxbulletinoct2016-3090545.html Third Party Advisory
http://www.oracle.com/technetwork/topics/security/ovmbulletinoct2016-3090547.html Third Party Advisory
http://www.securityfocus.com/bid/93476 Third Party Advisory VDB Entry
https://access.redhat.com/errata/RHSA-2017:0372 Third Party Advisory
https://bto.bluecoat.com/security-advisory/sa134 Third Party Advisory
https://bugzilla.redhat.com/show_bug.cgi?id=1375944 Issue Tracking Third Party Advisory
https://patchwork.ozlabs.org/patch/680412/ Issue Tracking Patch
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