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

  - smc91x: fix broken irq-context in PREEMPT_RT When smc91x.c is built with PREEMPT_RT, the following splat     occurs in FVP_RevC: [ 13.055000] smc91x LNRO0003:00 eth0: link up, 10Mbps, half-duplex, lpa 0x0000 [     13.062137] BUG: workqueue leaked atomic, lock or RCU: kworker/2:1[106] [ 13.062137] preempt=0x00000000     lock=0->0 RCU=0->1 workfn=mld_ifc_work [ 13.062266] C ** replaying previous printk message ** [ 13.062266]     CPU: 2 UID: 0 PID: 106 Comm: kworker/2:1 Not tainted 6.18.0-dirty #179 PREEMPT_{RT,(full)} [ 13.062353]     Hardware name: , BIOS [ 13.062382] Workqueue: mld mld_ifc_work [ 13.062469] Call trace: [ 13.062494]     show_stack+0x24/0x40 (C) [ 13.062602] __dump_stack+0x28/0x48 [ 13.062710] dump_stack_lvl+0x7c/0xb0 [     13.062818] dump_stack+0x18/0x34 [ 13.062926] process_scheduled_works+0x294/0x450 [ 13.063043]     worker_thread+0x260/0x3d8 [ 13.063124] kthread+0x1c4/0x228 [ 13.063235] ret_from_fork+0x10/0x20 This     happens because smc_special_trylock() disables IRQs even on PREEMPT_RT, but smc_special_unlock() does not     restore IRQs on PREEMPT_RT. The reason is that smc_special_unlock() calls spin_unlock_irqrestore(), and     rcu_read_unlock_bh() in __dev_queue_xmit() cannot invoke rcu_read_unlock() through __local_bh_enable_ip()     when current->softirq_disable_cnt becomes zero. To address this issue, replace smc_special_trylock() with     spin_trylock_irqsave(). (CVE-2025-71132)

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-2025-71132

medium Nessus Plugin ID 284684

Version 1.4

Version 1.3

Version 1.2

Version 1.1

Version 1.4 Feb 7, 2026, 9:06 AM Detection (updated detection logic) Plugin metadata Plugin Feed: 202602070906
Version 1.3 Feb 4, 2026, 6:31 AM Detection (updated detection logic) Plugin metadata Plugin Feed: 202602040631
Version 1.2 Jan 16, 2026, 10:12 PM CVSS metrics ("CVSSv2 score" set to 6.6) CVSS metrics ("CVSSv2 vector" set to "CVSS2#AV:L/AC:L/Au:N/C:N/I:C/A:C") CVSS metrics ("CVSSv3 score" set to none) CVSS metrics ("CVSSv3 vector" set to none) CVSS temporal metrics ("CVSSv3 temporal vector" set to none) Detection (updated detection logic) Plugin metadata Plugin Feed: 202601162212
Version 1.1 Jan 15, 2026, 2:04 PM New Plugin Feed: 202601151404