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

  - In the Linux kernel, the following vulnerability has been resolved: ethtool: module: avoid leaking a     netdev ref on module flash errors module_flash_fw_schedule() is missing undo for setting the in_progress     flag and taking the netdev reference. Delay taking these, the device can't disappear while we are holding     rtnl_lock. (CVE-2026-63997)

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
328086	Linux Distros Unpatched Vulnerability : CVE-2026-63997	Nessus	Misc.	7/20/2026	7/31/2026	medium
322087	Amazon Linux 2023 : bpftool6.18, kernel6.18, kernel6.18-devel (ALAS2023-2026-1881)	Nessus	Amazon Linux Local Security Checks	6/22/2026	7/31/2026	medium
322944	Photon OS 5.0: Linux PHSA-2026-5.0-0895	Nessus	PhotonOS Local Security Checks	6/26/2026	8/1/2026	high
328493	Amazon Linux 2023 : bpftool6.12, kernel6.12, kernel6.12-devel (ALAS2023-2026-1968)	Nessus	Amazon Linux Local Security Checks	7/20/2026	7/31/2026	high

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