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CVE-2019-5596

UnknownEPSS 1.23%

Last modified

CVE-2019-5596 is a vulnerability of currently unknown severity. In FreeBSD 11.2-STABLE after r338618 and before r343786, 12.0-STABLE before r343781, and 12.0-RELEASE before 12.0-RELEASE-p3, a bug in the reference count implementation for UNIX domain sockets can cause a file structure to be incorrectly released potentially allowing a malicious local user to gain root privileges or escape from a jail.. EPSS estimates a 1.23% chance of exploitation in the next 30 days.

Description

In FreeBSD 11.2-STABLE after r338618 and before r343786, 12.0-STABLE before r343781, and 12.0-RELEASE before 12.0-RELEASE-p3, a bug in the reference count implementation for UNIX domain sockets can cause a file structure to be incorrectly released potentially allowing a malicious local user to gain root privileges or escape from a jail.

Metrics

EPSS Probability
1.23%

65.1th percentile

Probability of exploitation in the next 30 days. Learn more

Affected Software

VendorProductVersions
FreebsdFreebsd11.2
FreebsdFreebsd12.0

References

Timeline

Published
Last Modified
Status
Modified

Frequently Asked Questions

What is CVE-2019-5596?
In FreeBSD 11.2-STABLE after r338618 and before r343786, 12.0-STABLE before r343781, and 12.0-RELEASE before 12.0-RELEASE-p3, a bug in the reference count implementation for UNIX domain sockets can cause a file structure to be incorrectly released potentially allowing a malicious local user to gain root privileges or escape from a jail.
How severe is CVE-2019-5596?
Severity scoring for CVE-2019-5596 is pending analysis. The EPSS model estimates a 1.23% probability of exploitation in the next 30 days.
How do I fix CVE-2019-5596?
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-2019-5596?

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

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Source: NVD / NIST