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

  - sched_ext: Don't warn on NULL cgrp_moving_from in scx_cgroup_move_task() A WARN fires when systemd's user     manager writes +cpu +memory +pids to its own subtree_control while a sched_ext scheduler is loaded:
    WARNING: at kernel/sched/ext.c:3227 scx_cgroup_move_task+0xa8/0xb0 scx_cgroup_move_task+0xa8/0xb0     sched_move_task+0x134/0x290 cpu_cgroup_attach+0x39/0x70 cgroup_migrate_execute+0x37d/0x450     cgroup_update_dfl_csses+0x1e3/0x270 cgroup_subtree_control_write+0x3e7/0x440 scx_cgroup_can_attach() arms     cgrp_moving_from only when a task's cpu cgroup changes. It can still be NULL when scx_cgroup_move_task()     runs, through this sequence: Step Result ---------------------------------
    ---------------------------------- 1. cpu enabled on cgroup G cpu css = A 2. cpu toggled off then on for G     A killed, B created (same cgroup) 3. an exiting task keeps A alive migration skips it, A now stale 4.
    +memory migrates G stale A vs current B pulls cpu in 5. cpu attach runs for all tasks hits a live, cpu-     unchanged task 6. scx_cgroup_move_task() on it cgrp_moving_from NULL -> WARN The mismatch is that     scx_cgroup_can_attach() keys on cgroup identity while migration drives the move on css identity, so a NULL     cgrp_moving_from here is a legitimate css-only migration, not a missing prep. The call is already gated on     cgrp_moving_from, so just drop the warning. ops.cgroup_prep_move() and ops.cgroup_move() stay paired.
    (CVE-2026-53328)

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-2026-53328

medium Nessus Plugin ID 324908

Version 1.7

Version 1.6

Version 1.5

Version 1.4

Version 1.3

Version 1.2

Version 1.1

Version 1.7 Aug 14, 2026, 5:17 PM CVSS metrics ("CVSSv2 score" set to 4.9) CVSS metrics ("CVSSv2 vector" set to "CVSS2#AV:L/AC:L/Au:N/C:N/I:N/A:C") Detection (updated detection logic) Plugin metadata Plugin Feed: 202608141717
Version 1.6 Aug 3, 2026, 1:05 PM CVSS metrics ("CVSSv2 score" set to 4.6) CVSS metrics ("CVSSv2 vector" set to "CVSS2#AV:L/AC:L/Au:S/C:N/I:N/A:C") Plugin Feed: 202608031305
Version 1.5 Aug 1, 2026, 2:26 AM Detection (updated detection logic) Plugin metadata Plugin Feed: 202608010226
Version 1.4 Jul 25, 2026, 1:06 PM CVSS metrics ("CVSSv2 score" set to 4.9) CVSS metrics ("CVSSv2 vector" set to "CVSS2#AV:L/AC:L/Au:N/C:N/I:N/A:C") Detection (updated detection logic) Plugin Feed: 202607251306
Version 1.3 Jul 24, 2026, 11:07 AM CVSS metrics ("CVSSv2 score" set to 4.6) CVSS metrics ("CVSSv2 vector" set to "CVSS2#AV:L/AC:L/Au:S/C:N/I:N/A:C") Plugin Feed: 202607241107
Version 1.2 Jul 7, 2026, 5:47 AM Detection (updated detection logic) Plugin metadata Plugin Feed: 202607070547
Version 1.1 Jul 4, 2026, 4:43 PM New Plugin Feed: 202607041643