PatchTheCVECVE-2017-3196: PCAUSA Rawether framework does not properly validate BPF data, allowing a crafted malicious BPF program to per
CVE-2017-3196 is a high-severity flaw (CVSS 7.8) affecting rawether. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.
PCAUSA Rawether framework does not properly validate BPF data, allowing a crafted malicious BPF program to perform operations on memory outside of its typical bounds on the driver's receipt of network packets. Local attackers can exploit this issue to execute arbitrary code with SYSTEM privileges.
Why this priority
- High severity
- Public exploit reference
No fix is published yet: follow the downgrade or mitigation steps.
Risk facts
| CVSS score | 7.8 (High) |
| Attack vector | Local |
| Attack complexity | Low |
| Privileges needed | Low |
| User interaction | None |
| EPSS exploit chance | 0.7% (top 47%) |
| CISA exploited list | No |
| Weakness | CWE-119 |
| Published | 2017-12-16 |
| Last modified | 2026-06-17 |
Last updated 2026-06-17 · Sources: CVE Program, NVD, CISA KEV, EPSS and vendor advisories · How we score
Am I affected?
Timeline
- Published CVE record published
- Updated Record last modified
Scores and fixes here are computed automatically from those and other public sources. Confirm with the vendor advisory before changing production systems.
Quick answers
How do I fix CVE-2017-3196?
rawether: mitigate or apply the listed mitigation. Exact commands for each OS are on this page.
Is CVE-2017-3196 being exploited?
CVE-2017-3196 is not on the CISA Known Exploited Vulnerabilities list at the time of the last update. Check again, as this can change.
What does CVE-2017-3196 affect?
CVE-2017-3196 affects rawether. Severity is high (CVSS 7.8). PCAUSA Rawether framework does not properly validate BPF data, allowing a crafted malicious BPF program to perform operations on memory outside of its typical bounds on the driver's receipt of network packets. Local attackers can exploit th
How urgent is CVE-2017-3196?
Priority 46/100. High severity; Public exploit reference