CVE-2016-7039
CVE-2016-7039 is a high-severity vulnerability in Oracle Linux with a CVSS 3.x base score of 7.5. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-399.
Key facts
- Severity: High (CVSS 3.x base score 7.5)
- CVSS v2: 7.8
- EPSS exploit prediction: 8% (94th percentile)
- Actively exploited: Not listed in CISA KEV
- Weakness: CWE-399
- Affected product: Oracle Linux
- Published:
- Last modified:
Description
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.
Frequently asked questions
- What is 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.
- How severe is CVE-2016-7039?
- CVE-2016-7039 has a CVSS 3.x base score of 7.5, rated high severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is none, integrity none, and availability high.
- Is CVE-2016-7039 being actively exploited?
- It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 8% (94th percentile), an estimate of the probability of exploitation in the next 30 days.
- What products are affected by CVE-2016-7039?
- CVE-2016-7039 primarily affects Oracle Linux. In total, 4 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
- How do I fix CVE-2016-7039?
- Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.
- When was CVE-2016-7039 published?
- CVE-2016-7039 was published on 2016-10-16 and last updated on 2026-06-17.
References
- http://rhn.redhat.com/errata/RHSA-2016-2047.html
- http://rhn.redhat.com/errata/RHSA-2016-2107.html
- http://rhn.redhat.com/errata/RHSA-2016-2110.html
- http://www.openwall.com/lists/oss-security/2016/10/10/15
- http://www.oracle.com/technetwork/topics/security/linuxbulletinoct2016-3090545.html
- http://www.oracle.com/technetwork/topics/security/ovmbulletinoct2016-3090547.html
- http://www.securityfocus.com/bid/93476
- https://access.redhat.com/errata/RHSA-2017:0372
- https://bto.bluecoat.com/security-advisory/sa134
- https://bugzilla.redhat.com/show_bug.cgi?id=1375944
- https://patchwork.ozlabs.org/patch/680412/
Affected products (4)
- cpe:2.3:o:oracle:linux:6:*:*:*:*:*:*:*
- cpe:2.3:o:oracle:linux:7:*:*:*:*:*:*:*
- cpe:2.3:o:oracle:vm_server:3.4:*:*:*:*:*:*:*
- cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*
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