posix acl

  1. CVE-2025-22070: Linux 9p mkdir crash with default ACLs

    A subtle ordering bug in the Linux kernel’s 9p (v9fs) client can crash a system when creating subdirectories under mounted 9p trees that use POSIX ACL defaults — the defect tracked as CVE‑2025‑22070 is a NULL‑pointer dereference in fs/9p’s mkdir path that has been fixed upstream but remains an...
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    • linux kernel ninep file system posix acl vulnerability
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    • Forum: Security Alerts