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Chainguard: linux-qemu-melange: security update to 6.18.49-r2

high Tenable Self-Hosted Container Security Plugin ID 472561

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: ima: Fix stack-out-of-bounds in
 is_bprm_creds_for_exec() KASAN reported a stack-out-of-bounds access in ima_appraise_measurement from
 is_bprm_creds_for_exec: BUG: KASAN: stack-out-of-bounds in ima_appraise_measurement+0x12dc/0x16a0 Read of
 size 1 at addr ffffc9000160f940 by task sudo/550 The buggy address belongs to stack of task sudo/550 and
 is located at offset 24 in frame: ima_appraise_measurement+0x0/0x16a0 This frame has 2 objects: [48, 56)
 'file' [80, 148) 'hash' This is caused by using container_of on the *file pointer. This offset calculation
 is what triggers the stack-out-of-bounds error. In order to fix this, pass in a bprm_is_check boolean
 which can be set depending on how process_measurement is called. If the caller has a linux_binprm pointer
 and the function is BPRM_CHECK we can determine is_check and set it then. Otherwise set it to false.
 (CVE-2025-71306)

Solution

Update the linux-qemu-melange library and its related packages to version 6.18.49-r2 or later.

Plugin Details

Severity: High

ID: 472561

Version: Revision 1.1

Type: Local

Published: 10/3/2026

Updated: 10/3/2026

Risk Information

VPR

Risk Factor: Medium

Score: 6.3

Percentile: 96.77

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-2025-71306

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

Vulnerability Publication Date: 5/27/2026

Reference Information

CVE: CVE-2025-71306