CVE-2019-5603

High

Description

In FreeBSD 12.0-STABLE before r350261, 12.0-RELEASE before 12.0-RELEASE-p8, 11.3-STABLE before r350263, 11.3-RELEASE before 11.3-RELEASE-p1, and 11.2-RELEASE before 11.2-RELEASE-p12, system calls operating on file descriptors as part of mqueuefs did not properly release the reference allowing a malicious user to overflow the counter allowing access to files, directories, and sockets opened by processes owned by other users.

SeverityHigh

CVSS7.8

Exploit probability—

Product

Freebsd

PublishedJul 26, 2019

First seenJul 26, 2019

How to fix

Vendor advisories

security.freebsd.org/advisories/FreeBSD-SA-19:15.mqueuefs.asc
security.freebsd.org/advisories/FreeBSD-SA-19:24.mqueuefs.asc

Affected products

Product	Affected versions	Fixed in
freebsd freebsd	11.0, 11.2, 11.3, 12.0	—

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