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CVE-2026-101306

CVE-2026-101306 · Multiple jail filesystem root escapes

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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.

CVSS 9.8 · Critique · EPSS 0,3%

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Produits et versions concernés

  • freebsd

    Versions du logiciel
    • ≥ 15.1-RELEASE, < p4: Concernée (release)
    • ≥ 15.0-RELEASE, < p14: Concernée (release)
    • ≥ 14.5-RELEASE, < p1: Concernée (release)
    • ≥ 14.4-RELEASE, < p10: Concernée (release)

    Aucun correctif publié

Sources originales

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