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CVE-2016-4581

UnknownEPSS 0.56%

Last modified

CVE-2016-4581 is a vulnerability of currently unknown severity. 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.. EPSS estimates a 0.56% chance of exploitation in the next 30 days.

Description

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.

Metrics

EPSS Probability
0.56%

42.1th percentile

Probability of exploitation in the next 30 days. Learn more

Affected Software

VendorProductVersions
CanonicalUbuntu Linux12.04
CanonicalUbuntu Linux14.04
CanonicalUbuntu Linux15.10
CanonicalUbuntu Linux16.04
LinuxLinux Kernel<= 4.5.3
OracleLinux6

References

Timeline

Published
Last Modified
Status
Modified

Frequently Asked Questions

What is CVE-2016-4581?
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.
How severe is CVE-2016-4581?
Severity scoring for CVE-2016-4581 is pending analysis. The EPSS model estimates a 0.56% probability of exploitation in the next 30 days.
How do I fix CVE-2016-4581?
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-2016-4581?

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

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Source: NVD / NIST