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CVE-2016-6198

UnknownEPSS 0.62%

Last modified

CVE-2016-6198 is a vulnerability of currently unknown severity. The filesystem layer in the Linux kernel before 4.5.5 proceeds with post-rename operations after an OverlayFS file is renamed to a self-hardlink, which allows local users to cause a denial of service (system crash) via a rename system call, related to fs/namei.c and fs/open.c.. EPSS estimates a 0.62% chance of exploitation in the next 30 days.

Description

The filesystem layer in the Linux kernel before 4.5.5 proceeds with post-rename operations after an OverlayFS file is renamed to a self-hardlink, which allows local users to cause a denial of service (system crash) via a rename system call, related to fs/namei.c and fs/open.c.

Metrics

EPSS Probability
0.62%

45.0th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

Affected Software

VendorProductVersions
LinuxLinux Kernel<= 4.5.4
OracleLinux6
OracleVm Server3.4

References

Timeline

Published
Last Modified
Status
Modified

Frequently Asked Questions

What is CVE-2016-6198?
The filesystem layer in the Linux kernel before 4.5.5 proceeds with post-rename operations after an OverlayFS file is renamed to a self-hardlink, which allows local users to cause a denial of service (system crash) via a rename system call, related to fs/namei.c and fs/open.c.
How severe is CVE-2016-6198?
Severity scoring for CVE-2016-6198 is pending analysis. The EPSS model estimates a 0.62% probability of exploitation in the next 30 days.
How do I fix CVE-2016-6198?
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.

Are you affected by CVE-2016-6198?

Run a free Strix scan to check your systems for this vulnerability.

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Source: NVD / NIST