CVE-2017-7542
Published Jul 21, 2017 · Updated Oct 23, 2026
Original summary
Normalized public record · Updated Oct 23, 2026
The ip6_find_1stfragopt function in net/ipv6/output_core.c in the Linux kernel through 4.12.3 allows local users to cause a denial of service (integer overflow and infinite loop) by leveraging the ability to open a raw socket.
Publisher and source text is retained separately from QFinch interpretation.
QFinch assessment
The ip6_find_1stfragopt function in net/ipv6/output_core.c in the Linux kernel through 4.12.3 allows local users to cause a denial of service (integer overflow and infinite loop) by leveraging the ability to open a raw socket.
Evidence: public source recordsAffected products
| Affected package, product or range | Fix status |
|---|---|
| Consult the referenced vendor advisory for affected versions. | Consult source advisory |
Matching a version is only one part of assessing exposure. QFinch has not assessed your environment on this public page.
Remediation
Apply the vendor-supported fixed release or mitigation, then verify the affected component is no longer reachable.
- Confirm the affected product and reachable code path exist in your environment.
- Apply the vendor-supported patch or mitigation from the primary advisory.
- Rescan the exact deployed revision and retain verification evidence.
Evidence coverage
- SSVC priority
- LOW
- Confidence
- Not available
- Aliases
- None reported
Scores appear only when corresponding evidence exists. Missing data is never interpreted as zero risk.
Sources and record history
- DSA-3927 ↗
- RHSA-2018:0169 ↗
- USN-3583-2 ↗
- RHSA-2017:2918 ↗
- RHSA-2017:2931 ↗
- 99953 ↗
- help.ecostruxureit.com ↗
- USN-3583-1 ↗
- Patch commit ↗
- DSA-3945 ↗
- Patch commit ↗
- RHSA-2017:2930 ↗
Record history
Published Jul 21, 2017 · Last refreshed Oct 23, 2026