CVE-2019-5607
First published: Fri Jul 26 2019(Updated: )
In FreeBSD 12.0-STABLE before r350222, 12.0-RELEASE before 12.0-RELEASE-p8, 11.3-STABLE before r350223, 11.3-RELEASE before 11.3-RELEASE-p1, and 11.2-RELEASE before 11.2-RELEASE-p12, rights transmitted over a domain socket did not properly release a reference on transmission error allowing a malicious user to cause the reference counter to wrap, forcing a free event. This could allow a malicious local user to gain root privileges or escape from a jail.
Credit: secteam@freebsd.org
| Affected Software | Affected Version | How to fix |
|---|---|---|
| FreeBSD Kernel | =11.0 | |
| FreeBSD Kernel | =11.2 | |
| FreeBSD Kernel | =11.3 | |
| FreeBSD Kernel | =12.0 |
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Reference Links
Frequently Asked Questions
What is the severity of CVE-2019-5607?
CVE-2019-5607 has a medium severity rating due to potential rights escalation through domain socket transmission errors.
How do I fix CVE-2019-5607?
To fix CVE-2019-5607, users should update to FreeBSD versions 12.0-RELEASE-p8, 11.3-RELEASE-p1, or 11.2-RELEASE-p12 or later.
What types of systems are affected by CVE-2019-5607?
CVE-2019-5607 affects FreeBSD versions 11.0, 11.2, 11.3, and 12.0 prior to their respective patches.
What kind of vulnerability is CVE-2019-5607?
CVE-2019-5607 is a rights management vulnerability that allows unauthorized escalation through improper handling of domain socket operations.
Is there a workaround for CVE-2019-5607?
There is no documented workaround for CVE-2019-5607; applying the appropriate updates is recommended.
- agent/weakness
- agent/type
- agent/softwarecombine
- collector/mitre-cve
- source/MITRE
- agent/last-modified-date
- agent/author
- agent/severity
- agent/references
- agent/event
- agent/description
- agent/first-publish-date
- agent/source
- agent/tags
- collector/nvd-index
- agent/software-canonical-lookup-request
- vendor/freebsd
- canonical/freebsd kernel
- version/freebsd kernel/11.0
- version/freebsd kernel/11.2
- version/freebsd kernel/11.3
- version/freebsd kernel/12.0