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CVE-2009-3527

UnknownEPSS 0.55%

Last modified

CVE-2009-3527 is a vulnerability of currently unknown severity. Race condition in the Pipe (IPC) close function in FreeBSD 6.3 and 6.4 allows local users to cause a denial of service (crash) or gain privileges via vectors related to kqueues, which triggers a use after free, leading to a NULL pointer dereference or memory corruption.. EPSS estimates a 0.55% chance of exploitation in the next 30 days.

Description

Race condition in the Pipe (IPC) close function in FreeBSD 6.3 and 6.4 allows local users to cause a denial of service (crash) or gain privileges via vectors related to kqueues, which triggers a use after free, leading to a NULL pointer dereference or memory corruption.

Metrics

EPSS Probability
0.55%

42.0th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

Affected Software

VendorProductVersions
FreebsdFreebsd6.3
FreebsdFreebsd6.4

References

Timeline

Published
Last Modified
Status
Modified

Frequently Asked Questions

What is CVE-2009-3527?
Race condition in the Pipe (IPC) close function in FreeBSD 6.3 and 6.4 allows local users to cause a denial of service (crash) or gain privileges via vectors related to kqueues, which triggers a use after free, leading to a NULL pointer dereference or memory corruption.
How severe is CVE-2009-3527?
Severity scoring for CVE-2009-3527 is pending analysis. The EPSS model estimates a 0.55% probability of exploitation in the next 30 days.
How do I fix CVE-2009-3527?
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