CVE-2019-5603

HighCVSS 7.8/10Last modified Jun 17, 2026

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.

Metrics

CVSS 3.1 7.8/10CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

Weakness enumeration

CWE-404

Affected software

Vendor	Product	Versions
FreeBSD	FreeBSD	FreeBSD before 12.0-RELEASE-p8; before 11.3-RELEASE-p1; and before 11.2-RELEASE-p12

References

http://packetstormsecurity.com/files/153752/FreeBSD-Security-Advisory-FreeBSD-SA-19-15.mqueuefs.htmlThird Party Advisory, VDB Entry
http://packetstormsecurity.com/files/154172/FreeBSD-Security-Advisory-FreeBSD-SA-19-24.mqueuefs.htmlThird Party Advisory, VDB Entry
https://seclists.org/bugtraq/2019/Aug/35Broken Link
https://security.FreeBSD.org/advisories/FreeBSD-SA-19:15.mqueuefs.ascVendor Advisory
https://security.FreeBSD.org/advisories/FreeBSD-SA-19:24.mqueuefs.ascThird Party Advisory
https://security.netapp.com/advisory/ntap-20190814-0003/Third Party Advisory
http://packetstormsecurity.com/files/153752/FreeBSD-Security-Advisory-FreeBSD-SA-19-15.mqueuefs.htmlThird Party Advisory, VDB Entry
http://packetstormsecurity.com/files/154172/FreeBSD-Security-Advisory-FreeBSD-SA-19-24.mqueuefs.htmlThird Party Advisory, VDB Entry
https://seclists.org/bugtraq/2019/Aug/35Broken Link
https://security.FreeBSD.org/advisories/FreeBSD-SA-19:15.mqueuefs.ascVendor Advisory
https://security.FreeBSD.org/advisories/FreeBSD-SA-19:24.mqueuefs.ascThird Party Advisory
https://security.netapp.com/advisory/ntap-20190814-0003/Third Party Advisory

Timeline

Published: Jul 26, 2019
Last modified: Jun 17, 2026
NVD status: Modified

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