CVE-2016-4581
Published May 23, 2016 · Updated Oct 23, 2026
Original summary
Normalized public record · Updated Oct 23, 2026
fs/pnode.c in the Linux kernel before 4.5.4 does not properly traverse a mount propagation tree in a certain case involving a slave mount, which allows local users to cause a denial of service (NULL pointer dereference and OOPS) via a crafted series of mount system calls.
Publisher and source text is retained separately from QFinch interpretation.
QFinch assessment
fs/pnode.c in the Linux kernel before 4.5.4 does not properly traverse a mount propagation tree in a certain case involving a slave mount, which allows local users to cause a denial of service (NULL pointer dereference and OOPS) via a crafted series of mount system calls.
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
- USN-3006-1 ↗
- USN-3004-1 ↗
- 90607 ↗
- USN-3001-1 ↗
- www.oracle.com ↗
- USN-3005-1 ↗
- www.kernel.org ↗
- RHSA-2016:2584 ↗
- RHSA-2016:2574 ↗
- openSUSE-SU-2016:1641 ↗
- USN-3000-1 ↗
- bugzilla.redhat.com ↗
Record history
Published May 23, 2016 · Last refreshed Oct 23, 2026