CVE-2019-5596
First published: Tue Feb 12 2019(Updated: )
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.
Credit: secteam@freebsd.org secteam@freebsd.org
| Affected Software | Affected Version | How to fix |
|---|---|---|
| FreeBSD FreeBSD | =11.2 | |
| FreeBSD FreeBSD | =12.0 | |
| =11.2 | ||
| =12.0 |
Never miss a vulnerability like this again
Sign up to SecAlerts for real-time vulnerability data matched to your software, aggregated from hundreds of sources.
Reference Links
Frequently Asked Questions
What is the severity of CVE-2019-5596?
CVE-2019-5596 has been categorized as having moderate severity due to its potential for privilege escalation.
How do I fix CVE-2019-5596?
You can fix CVE-2019-5596 by upgrading to FreeBSD 12.0-RELEASE-p3 or later, or FreeBSD 11.2-STABLE after r343786.
What does CVE-2019-5596 affect?
CVE-2019-5596 affects FreeBSD versions 11.2 and 12.0 prior to their respective patches.
Can CVE-2019-5596 be exploited remotely?
No, CVE-2019-5596 requires local access to exploit the vulnerability.
What type of vulnerability is CVE-2019-5596?
CVE-2019-5596 is a privilege escalation vulnerability due to a flaw in the reference count implementation for UNIX domain sockets.
- collector/nvd-index
- agent/references
- agent/type
- collector/mitre-cve
- source/MITRE
- agent/severity
- agent/remedy
- agent/description
- agent/first-publish-date
- collector/nvd-api
- source/NVD
- agent/software-canonical-lookup
- agent/last-modified-date
- agent/author
- agent/softwarecombine
- agent/event
- agent/tags
- agent/source
- vendor/freebsd
- canonical/freebsd freebsd
- version/freebsd freebsd/11.2
- version/freebsd freebsd/12.0