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

critical Tenable Cloud Security Plugin ID 472545

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: netfs: Fix potential for tearing in
 ->remote_i_size and ->zero_point Fix potential tearing in using ->remote_i_size and ->zero_point by
 copying i_size_read() and i_size_write() and using the same seqcount as for i_size. We need to make sure
 that netfslib and the filesystems that use it always hold i_lock whilst updating any of the sizes to
 prevent i_size_seqcount from getting corrupted. (CVE-2026-64160)

Solution

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

Plugin Details

Severity: Critical

ID: 472545

Version: Revision 1.1

Type: Local

Published: 10/3/2026

Updated: 10/3/2026

Risk Information

VPR

Risk Factor: Medium

Score: 4.9

Percentile: 58.12

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-2026-64160

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

Vulnerability Publication Date: 7/19/2026

Reference Information

CVE: CVE-2026-64160