CVE-2019-5611

High

Description

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.

SeverityHigh

CVSS7.5

Exploit probability—

Product

Freebsd

PublishedAug 30, 2019

First seenAug 30, 2019

How to fix

Vendor advisories

security.freebsd.org/advisories/FreeBSD-SA-19:22.mbuf.asc

Affected products

Product	Affected versions	Fixed in
freebsd freebsd	11.2, 11.3, 12.0	—
netapp clustered_data_ontap	No range specified	—

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