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FreeBSD : FreeBSD -- Multiple jail filesystem root escapes (1fe3495b-bccd-11f1-906f-bc241121aa0a)
high Nessus Plugin ID 353461
Synopsis
The remote FreeBSD host is missing one or more security-related updates.Description
The version of FreeBSD installed on the remote host is prior to tested version. It is, therefore, affected by multiple vulnerabilities as referenced in the 1fe3495b-bccd-11f1-906f-bc241121aa0a advisory.Three flaws allow a jailed process to bypass FD_RESOLVE_BENEATH:
A process in a jail that has received a directory file descriptor from another jail can use these techniques to escape the jail's filesystem root restriction.
Tenable has extracted the preceding description block directly from the FreeBSD security advisory.
Note that Nessus has not tested for these issues but has instead relied only on the application's self-reported version number.
Solution
Update the affected packages.See Also
Plugin Details
Severity: High
ID: 353461
File Name: freebsd_pkg_1fe3495bbccd11f1906fbc241121aa0a.nasl
Version: 1.1
Type: Local
Family: FreeBSD Local Security Checks
Published: 10/1/2026
Updated: 10/1/2026
Configuration: Enable paranoid mode
Supported Sensors: Nessus
Vulnerability Information
CPE: cpe:/o:freebsd:freebsd, p-cpe:/a:freebsd:freebsd:freebsd-kernel
Required KB Items: Host/local_checks_enabled, Settings/ParanoidReport, Host/FreeBSD/release, Host/FreeBSD/pkg_info
Exploit Ease: No known exploits are available
Patch Publication Date: 9/30/2026
Vulnerability Publication Date: 9/30/2026