Security readout for executives and security teams
CVE-2016-9919 is a Linux kernel denial-of-service issue. A remote sender could trigger a kernel panic using fragmented IPv6 traffic, causing an affected system to crash or reboot. The sources identify Linux kernels through 4.8.12 and a fixing upstream commit, but do not provide CVSS scoring or evidence of active exploitation. Exposure is most likely on systems running Linux kernels through 4.8.12, or vendor kernels without the upstream backport, where IPv6 traffic can reach the host. Internet-facing servers, network appliances, virtualization hosts, and embedded systems are higher concern if IPv6 is enabled and untrusted traffic is accepted. Prioritize remediation for externally reachable Linux systems and infrastructure that must remain highly available. The business risk is service outage, not confirmed data theft. Because the issue is old, many modern systems are likely patched, but legacy appliances and unmanaged kernels should be checked. Mitigation focus: Upgrade to a kernel version containing the upstream fix or a vendor backport.; Check Linux distribution advisories for CVE-2016-9919-specific patched package versions.; Limit untrusted IPv6 exposure where operationally acceptable..
Generated from the cited source records. This long-tail analysis has not been individually reviewed by a named human.
Conservative CVE-to-ATT&CK context
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ATT&CK lookup starting points
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CVE-2016-9919 mapping review
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Open ATT&CK lookup- Severity
- Unknown
- CVSS
- Not scored
- Known Exploited
- No
- Published
CNA and ADP enrichment extracted from CVE v5
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CVSS and timeline data
No CVSS vectors or timeline events were available in the normalized CVE source material.
Source materials
- CVE List V5 sourceCVE List V5
- https://github.com/torvalds/linux/commit/79dc7e3f1cd323be4c81aa1a94faa1b3ed987fb2CVE reference · x_refsource_CONFIRM
Products and packages named in the record
CWE details
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