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CVE-2017-18224

UnknownEPSS 0.29%

Last modified

CVE-2017-18224 is a vulnerability of currently unknown severity. In the Linux kernel before 4.15, fs/ocfs2/aops.c omits use of a semaphore and consequently has a race condition for access to the extent tree during read operations in DIRECT mode, which allows local users to cause a denial of service (BUG) by modifying a certain e_cpos field.. EPSS estimates a 0.29% chance of exploitation in the next 30 days.

Description

In the Linux kernel before 4.15, fs/ocfs2/aops.c omits use of a semaphore and consequently has a race condition for access to the extent tree during read operations in DIRECT mode, which allows local users to cause a denial of service (BUG) by modifying a certain e_cpos field.

Metrics

EPSS Probability
0.29%

20.2th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

Affected Software

VendorProductVersions
LinuxLinux Kernel< 4.15

References

Timeline

Published
Last Modified
Status
Modified

Frequently Asked Questions

What is CVE-2017-18224?
In the Linux kernel before 4.15, fs/ocfs2/aops.c omits use of a semaphore and consequently has a race condition for access to the extent tree during read operations in DIRECT mode, which allows local users to cause a denial of service (BUG) by modifying a certain e_cpos field.
How severe is CVE-2017-18224?
Severity scoring for CVE-2017-18224 is pending analysis. The EPSS model estimates a 0.29% probability of exploitation in the next 30 days.
How do I fix CVE-2017-18224?
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