CVE-2019-5596

Summary

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.

Affected Software

Weaknesses

• Improper Update of Reference Count

ADP Enrichment

CVE Program Container

Additional References

• https://security.FreeBSD.org/advisories/FreeBSD-SA-19:02.fd.asc
• http://packetstormsecurity.com/files/155790/FreeBSD-fd-Privilege-Escalation.html

References

• https://security.FreeBSD.org/advisories/FreeBSD-SA-19:02.fd.asc
• http://packetstormsecurity.com/files/155790/FreeBSD-fd-Privilege-Escalation.html

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