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CVE-2016-6516

UnknownEPSS 0.95%

Last modified

CVE-2016-6516 is a vulnerability of currently unknown severity. Race condition in the ioctl_file_dedupe_range function in fs/ioctl.c in the Linux kernel through 4.7 allows local users to cause a denial of service (heap-based buffer overflow) or possibly gain privileges by changing a certain count value, aka a "double fetch" vulnerability.. EPSS estimates a 0.95% chance of exploitation in the next 30 days.

Description

Race condition in the ioctl_file_dedupe_range function in fs/ioctl.c in the Linux kernel through 4.7 allows local users to cause a denial of service (heap-based buffer overflow) or possibly gain privileges by changing a certain count value, aka a "double fetch" vulnerability.

Metrics

EPSS Probability
0.95%

56.6th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

Affected Software

VendorProductVersions
LinuxLinux Kernel<= 4.7

References

Timeline

Published
Last Modified
Status
Modified

Frequently Asked Questions

What is CVE-2016-6516?
Race condition in the ioctl_file_dedupe_range function in fs/ioctl.c in the Linux kernel through 4.7 allows local users to cause a denial of service (heap-based buffer overflow) or possibly gain privileges by changing a certain count value, aka a "double fetch" vulnerability.
How severe is CVE-2016-6516?
Severity scoring for CVE-2016-6516 is pending analysis. The EPSS model estimates a 0.95% probability of exploitation in the next 30 days.
How do I fix CVE-2016-6516?
Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

How Strix Helps

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Source: NVD / NIST