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CVE Record

CVE-2016-6247: OpenBSD 5.8 and 5.9 allows certain local users to cause a denial of service (kernel panic) by unmounting a...

OpenBSD 5.8 and 5.9 allows certain local users to cause a denial of service (kernel panic) by unmounting a filesystem with an open vnode on the mnt_vnodelist.

UnknownCVSS not scoredNot KEV-listedUpdated
Glexia's TakeAutomated analysis

Security readout for executives and security teams

CVE-2016-6247 is an OpenBSD local denial-of-service flaw. On OpenBSD 5.8 and 5.9, certain local users could crash the kernel by unmounting a filesystem in a specific vnode state. The main business risk is service interruption on affected hosts, not data theft or remote takeover based on the provided sources. Exposure is most likely on legacy OpenBSD 5.8 or 5.9 systems where local users can reach the affected unmount path. Internet-facing exposure is not indicated by the sources. Environments without these versions are not shown as affected in the provided bundle. Treat as a legacy availability risk. It is not presented as remotely exploitable, but any remaining OpenBSD 5.8 or 5.9 systems should be remediated because a local crash can disrupt dependent services. Mitigation focus: Inventory OpenBSD hosts and confirm whether any run versions 5.8 or 5.9.; Review OpenBSD errata for the affected release before applying changes.; Upgrade or patch according to OpenBSD vendor guidance where applicable..

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Potential ATT&CK relevance

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Vulnerability profileCVE Program record
Severity
Unknown
CVSS
Not scored
Known Exploited
No
Published
Official CVE source material

CNA and ADP enrichment extracted from CVE v5

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0CVSS vectors
0Timeline events
0ADP providers
1Source links

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Source materials

Affected products

Products and packages named in the record

VendorProductVersion / packageStatus
n/an/an/aListed
Weakness

CWE details

No CWE listed

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