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Echo: linux: security update to 6.12.63-1

high Tenable Self-Hosted Container Security Plugin ID 463171

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: KVM: arm64: Check the untrusted offset
 in FF-A memory share Verify the offset to prevent OOB access in the hypervisor FF-A buffer in case an
 untrusted large enough value [U32_MAX - sizeof(struct ffa_composite_mem_region) + 1, U32_MAX] is set from
 the host kernel. (CVE-2025-40266)

Solution

Update the linux library and its related packages to version 6.12.63-1 or later.

See Also

https://advisory.echohq.com/cve/CVE-2025-40266

Plugin Details

Severity: High

ID: 463171

Version: Revision 1.1

Type: Local

Published: 10/2/2026

Updated: 10/2/2026

Risk Information

VPR

Risk Factor: Medium

Score: 5

Percentile: 93.91

CVSS v2

Risk Factor: Medium

Base Score: 6.5

Temporal Score: 4.8

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

CVSS Score Source: CVE-2025-40266

CVSS v3

Risk Factor: High

Base Score: 8.2

Temporal Score: 7.1

Vector: CVSS:3.0/AV:L/AC:L/PR:H/UI:N/S:C/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: 12/7/2025

Vulnerability Publication Date: 12/4/2025

Reference Information

CVE: CVE-2025-40266