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Echo: linux: security update to 6.1.176-1

high Tenable Self-Hosted Container Security Plugin ID 460284

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: ibmasm: fix OOB reads in
 command_file_write due to missing size checks The command_file_write() handler allocates a kernel buffer
 of exactly count bytes and copies user data into it, but does not validate the buffer against the dot
 command protocol before passing it to get_dot_command_size() and get_dot_command_timeout(). Since both the
 allocation size (count) and the header fields (command_size, data_size) are independently user-controlled,
 an attacker can cause get_dot_command_size() to return a value exceeding the allocation, triggering OOB
 reads in get_dot_command_timeout() and an out-of-bounds memcpy_toio() that leaks kernel heap memory to the
 service processor. Fix with two guards: reject writes smaller than sizeof(struct dot_command_header)
 before allocation, then after copying user data reject commands where the buffer is smaller than the total
 size declared by the header (sizeof(header) + command_size + data_size). This ensures all subsequent
 header and payload field accesses stay within the buffer. (CVE-2026-45994)

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-2026-45994

Plugin Details

Severity: High

ID: 460284

Version: Revision 1.1

Type: Local

Published: 10/2/2026

Updated: 10/2/2026

Risk Information

VPR

Risk Factor: High

Score: 7

Percentile: 98.23

CVSS v2

Risk Factor: Medium

Base Score: 6.2

Temporal Score: 4.6

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

CVSS Score Source: CVE-2026-45994

CVSS v3

Risk Factor: High

Base Score: 7.1

Temporal Score: 6.2

Vector: CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:H/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: 5/28/2026

Vulnerability Publication Date: 5/27/2026

Reference Information

CVE: CVE-2026-45994