The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available.

  - ksmbd: use opener credentials for FSCTL mutations SET_SPARSE, SET_ZERO_DATA and SET_COMPRESSION operate on     an open SMB handle but call VFS xattr, fallocate or fileattr helpers with the current ksmbd worker     credentials. Those helpers can revalidate inode permissions, ownership and LSM policy independently of the     SMB handle access mask. Run each operation with the credentials captured in the target file when the     handle was opened. Keep credential handling local to these single-file FSCTLs rather than applying session     credentials to the complete IOCTL handler, which also contains handle-less and multi-handle operations.
    (CVE-2026-68457)

Note that Nessus relies on the presence of the package as reported by the vendor.

An update of the linux package has been released.

ID	Name	Product	Family	Published	Updated	Severity
335547	Linux Distros Unpatched Vulnerability : CVE-2026-68457	Nessus	Misc.	8/15/2026	8/28/2026	critical
334784	Photon OS 5.0: Linux PHSA-2026-5.0-92-0952	Nessus	PhotonOS Local Security Checks	8/12/2026	9/7/2026	high

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critical

high