CVE-2019-5611: Input Validation
In FreeBSD 12.0-STABLE before r350828, 12.0-RELEASE before 12.0-RELEASE-p10, 11.3-STABLE before r350829, 11.3-RELEASE before 11.3-RELEASE-p3, and 11.2-RELEASE before 11.2-RELEASE-p14, a missing check in the function to arrange data in a chain of mbufs could cause data returned not to be contiguous. Extra checks in the IPv6 stack could catch the error condition and trigger a kernel panic, leading to a remote denial of service.
Affected Software
Remediation
Patch Available
Event History
Frequently Asked Questions
What is the severity of CVE-2019-5611?
CVE-2019-5611 is considered to be a medium severity vulnerability that could lead to data not being contiguous.
How do I fix CVE-2019-5611?
The fix for CVE-2019-5611 involves updating to FreeBSD 12.0-RELEASE-p10 or 11.3-RELEASE-p3 or later.
Which versions of FreeBSD are affected by CVE-2019-5611?
CVE-2019-5611 affects FreeBSD versions 11.2, 11.3, and 12.0 prior to the specified patch releases.
What is the nature of the vulnerability in CVE-2019-5611?
CVE-2019-5611 is a vulnerability due to a missing check in the function that arranges data in a chain of mbufs.
Is there any known exploit for CVE-2019-5611?
As of now, there are no public exploits documented for CVE-2019-5611.