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CVE-2026-101306 Details
Description
SCM_RIGHTS file descriptor passing did not preserve FD_RESOLVE_BENEATH when a descriptor was transferred. A process could clear the restriction by sending the descriptor to itself over a Unix domain socket. 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.
Metrics
CVSS 4.0 Severity and Vector Strings:
No CVSS 4.0 data is available for this CVE.
CVSS 3.x Severity and Vector Strings:
No data available for CVSS Version 2.0 on this CVE.
CISA-ADP
Assessed Oct 16, 2026Exploitation: NoneAutomatable: YesTechnical Impact: Total
References to Advisories, Solutions, and Tools
By selecting these links, you will be leaving this site. These are references gathered from the official CVE record and are not endorsed by Volerion.
| URL | Source(s) | Tag(s) |
|---|---|---|
| https://security.freebsd.org/advisories/FreeBSD-SA-26:66.jail.asc | [email protected] | PatchVendor Advisory |
Weakness Enumeration
| CWE-ID | CWE Name | Source |
|---|---|---|
| CWE-273 | Improper Check for Dropped Privileges | [email protected] |
| CWE-281 | Improper Preservation of Permissions | [email protected] |
Affected Products
| Product | Versions |
|---|---|
| freebsd freebsd | 14.4 - 14.4 p1 14.4 p2 14.4 p3 14.4 p4 14.4 p5 14.4 p6 14.4 p7 14.4 p8 14.4 p9 14.5 - 15.0 - 15.0 p1 15.0 p10 15.0 p11 15.0 p12 15.0 p13 15.0 p2 15.0 p3 15.0 p4 15.0 p5 15.0 p6 15.0 p7 15.0 p8 15.0 p9 15.1 - 15.1 p1 15.1 p2 15.1 p3 |
CPE
Remediation
| |
Change History
3 change records found show changes
| Date | Action | Recorded By |
|---|---|---|
| Oct 20, 2026 | Initial Analysis | [email protected] |
| Oct 16, 2026 | CVE Modified | CISA-ADP |
| Oct 15, 2026 | New CVE Received | [email protected] |