Detections
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Echo: linux: security update to 6.1.176-1

medium Tenable Self-Hosted Container Security Plugin ID 462166

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: Bluetooth: hci_ldisc: Clear
 HCI_UART_PROTO_INIT on error When hci_register_dev() fails in hci_uart_register_dev() HCI_UART_PROTO_INIT
 is not cleared before calling hu->proto->close(hu) and setting hu->hdev to NULL. This means incoming UART
 data will reach the protocol-specific recv handler in hci_uart_tty_receive() after resources are freed.
 Clear HCI_UART_PROTO_INIT with a write lock before calling hu->proto->close() and setting hu->hdev to
 NULL. The write lock ensures all active readers have completed and no new reader can enter the protocol
 recv path before resources are freed. This allows the protocol-specific recv functions to remove the
 "HCI_UART_REGISTERED" guard without risking a null pointer dereference if hci_register_dev() fails.
 (CVE-2026-53073)

Solution

Update the linux library and its related packages to version 6.1.176-1 or later.

See Also

https://advisory.echohq.com/cve/CVE-2026-53073

Plugin Details

Severity: Medium

ID: 462166

Version: Revision 1.1

Type: Local

Published: 10/2/2026

Updated: 10/2/2026

Risk Information

VPR

Risk Factor: Low

Score: 3

Percentile: 23.75

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-2026-53073

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: 6/25/2026

Vulnerability Publication Date: 6/24/2026

Reference Information

CVE: CVE-2026-53073