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.
ProviderTypeBase ScoreAtk. VectorAtk. ComplexityPriv. RequiredVector
NISTNIST
8.8 HIGH
LOCAL
LOW
LOW
CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H
freebsdCNA
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CVEADP
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Base Score
CVSS 3.x
EPSS Score
Percentile: 67%
VendorProductVersion
freebsdfreebsd
11.2
freebsdfreebsd
12.0
𝑥
= Vulnerable software versions
References
http://packetstormsecurity.com/files/155790/FreeBSD-fd-Privilege-Escalation.html
https://security.FreeBSD.org/advisories/FreeBSD-SA-19:02.fd.asc
http://packetstormsecurity.com/files/155790/FreeBSD-fd-Privilege-Escalation.html
https://security.FreeBSD.org/advisories/FreeBSD-SA-19:02.fd.asc