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Echo: linux: security update to 6.12.85-1

medium Tenable Self-Hosted Container Security Plugin ID 465380

Description

There are packages installed that are affected by a vulnerability referenced in the following CVE:

 - In the Linux kernel, the following vulnerability has been resolved: usb: gadget: f_eem: Fix net_device
 lifecycle with device_move The net_device is allocated during function instance creation and registered
 during the bind phase with the gadget device as its sysfs parent. When the function unbinds, the parent
 device is destroyed, but the net_device survives, resulting in dangling sysfs symlinks: console:/ # ls -l
 /sys/class/net/usb0 lrwxrwxrwx ... /sys/class/net/usb0 -> /sys/devices/platform/.../gadget.0/net/usb0
 console:/ # ls -l /sys/devices/platform/.../gadget.0/net/usb0 ls: .../gadget.0/net/usb0: No such file or
 directory Use device_move() to reparent the net_device between the gadget device tree and
 /sys/devices/virtual across bind and unbind cycles. During the final unbind, calling device_move(NULL)
 moves the net_device to the virtual device tree before the gadget device is destroyed. On rebinding,
 device_move() reparents the device back under the new gadget, ensuring proper sysfs topology and power
 management ordering. To maintain compatibility with legacy composite drivers (e.g., multi.c), the bound
 flag is used to indicate whether the network device is shared and pre-registered during the legacy
 driver's bind phase. (CVE-2026-31724)

Solution

Update the linux library and its related packages to version 6.12.85-1 or later.

See Also

https://advisory.echohq.com/cve/CVE-2026-31724

Plugin Details

Severity: Medium

ID: 465380

Version: Revision 1.1

Type: Local

Published: 10/2/2026

Updated: 10/2/2026

Risk Information

VPR

Risk Factor: Low

Score: 3

Percentile: 23.67

CVSS v2

Risk Factor: Medium

Base Score: 4.6

Temporal Score: 3.4

Vector: CVSS2#AV:L/AC:L/Au:S/C:N/I:N/A:C

CVSS Score Source: CVE-2026-31724

CVSS v3

Risk Factor: Medium

Base Score: 5.5

Temporal Score: 4.8

Vector: CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H

Temporal Vector: CVSS:3.0/E:U/RL:O/RC:C

Vulnerability Information

Exploit Ease: No known exploits are available

Patch Publication Date: 5/2/2026

Vulnerability Publication Date: 5/1/2026

Reference Information

CVE: CVE-2026-31724