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Echo: linux: security update to 6.1.176-1

critical Tenable Self-Hosted Container Security Plugin ID 458017

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: net: rds: clear i_sends on setup
 unwind The RDS IB connection teardown path is written so it can run during partial startup and on repeated
 shutdown attempts. It uses NULL pointers to distinguish resources that are still owned from resources that
 have already been released. When rds_ib_setup_qp() fails after allocating i_sends but before allocating
 i_recvs, the sends_out path frees i_sends without clearing the pointer. A later shutdown pass can still
 treat that stale pointer as a live send ring allocation. Clear i_sends after vfree() in the error unwind
 path so the existing shutdown logic continues to use the correct ownership state. (CVE-2026-53355)

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-2026-53355

Plugin Details

Severity: Critical

ID: 458017

Version: Revision 1.1

Type: Local

Published: 10/2/2026

Updated: 10/2/2026

Risk Information

VPR

Risk Factor: Medium

Score: 4.9

Percentile: 58.14

CVSS v2

Risk Factor: Critical

Base Score: 10

Temporal Score: 7.4

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

CVSS Score Source: CVE-2026-53355

CVSS v3

Risk Factor: Critical

Base Score: 9.8

Temporal Score: 8.5

Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/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: 7/2/2026

Vulnerability Publication Date: 7/1/2026

Reference Information

CVE: CVE-2026-53355