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

  - af_unix: Set gc_in_progress to true in unix_gc(). Igor Ushakov reported that unix_gc() could run with     gc_in_progress being false if the work is scheduled while running: Thread 1 Thread 2 Thread 3 --------
    -------- -------- unix_schedule_gc() unix_schedule_gc() `- if (!gc_in_progress) `- if (!gc_in_progress) |-     gc_in_progress = true | `- queue_work() | unix_gc() <----------------/ | | |- gc_in_progress = true ... `-     queue_work() | | `- gc_in_progress = false | | unix_gc() <---------------------------------------------' |     ... /* gc_in_progress == false */ | `- gc_in_progress = false unix_peek_fpl() relies on gc_in_progress not     to confuse GC by MSG_PEEK. Let's set gc_in_progress to true in unix_gc(). (CVE-2026-53361)

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

Detections

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Linux Distros Unpatched Vulnerability : CVE-2026-53361

high Nessus Plugin ID 325351

Version 1.4

Version 1.3

Version 1.2

Version 1.1

Version 1.4 Jul 25, 2026, 1:06 PM Detection (updated detection logic) Plugin Feed: 202607251306
Version 1.3 Jul 13, 2026, 6:59 AM Detection (updated detection logic) Plugin metadata Plugin Feed: 202607130659
Version 1.2 Jul 8, 2026, 11:53 AM Detection (updated detection logic) Plugin metadata Plugin Feed: 202607081153
Version 1.1 Jul 7, 2026, 5:47 AM New Plugin Feed: 202607070547