fix(util-linux): fix 4 CVE vulnerabilities

[deepin-ci-robot]

CVE 修复

CVE	描述
CVE-2026-53613	libmount: add fd_target for TOCTOU prevention
CVE-2026-53612	libmount: use fd-based fchownat/chmod
CVE-2026-53614	libmount: fix SUID bypass via LIBMOUNT_FORCE_MOUNT2
CVE-2026-13595	libblkid: fix UAF in nested partition probing

Fix-Approach: patch\nGenerated-By: deepseek-v4-flash\nCo-Authored-By: hudeng [email protected]

Summary by Sourcery

Apply packaging updates to incorporate security fixes for multiple util-linux CVEs.

Build:

• Update Debian changelog and patch series to reference new CVE fix patches for util-linux.

Chores:

• Add patch files for the reported libmount and libblkid CVE vulnerabilities to the Debian packaging.

[sourcery-ai]

Reviewer's guide (collapsed on small PRs)

Reviewer's Guide

Adds Debian packaging patches to backport upstream libmount/libblkid fixes for four CVEs and wires them into the build via changelog and series updates.

File-Level Changes

Change	Details	Files
Register new CVE patches in the Debian packaging so they are applied during build.	Append new CVE patch filenames to the patches series list Ensure patch application order is consistent with existing series	debian/patches/series
Introduce patch implementing libblkid fix for UAF in nested partition probing (CVE-2026-13595).	Add a new patch file carrying upstream changes for safer nested partition probing Align patch metadata/comments with Debian patch conventions	debian/patches/CVE-2026-13595.patch
Introduce patches implementing libmount fixes for TOCTOU, fd-based ownership/permission operations, and SUID bypass via LIBMOUNT_FORCE_MOUNT2 (three CVEs).	Add a new patch to use fd_target to prevent TOCTOU in mount operations Add a new patch to switch chown/chmod logic to fd-based fchownat/chmod calls Add a new patch to close SUID bypass related to LIBMOUNT_FORCE_MOUNT2	debian/patches/CVE-2026-53612.patch debian/patches/CVE-2026-53614.patch debian/patches/CVE-2026-53613.patch
Update Debian changelog entry to document the CVE fixes and patch-based approach.	Add a new changelog stanza referencing the four CVEs and describing the fix approach Maintain correct versioning, urgency, and maintainer attribution	debian/changelog

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[deepin-ci-robot]

/hold
因为该quilt包的上游版本号变更，详情见: deepin-community/infra-settings#134

[deepin-ci-robot]

[APPROVALNOTIFIER] This PR is NOT APPROVED

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[github-actions]

TAG Bot

TAG: unknown
EXISTED: no
DISTRIBUTION: unstable

[sourcery-ai]

Hey - I've reviewed your changes and they look great!

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[deepin-community-ci-bot]

TAG Bot

New tag: 2.40.4-3deepin12
DISTRIBUTION: unstable
Suggest: synchronizing this PR through rebase #21

[deepin-community-ci-bot]

TAG Bot

New tag: 2.40.4-3deepin14
DISTRIBUTION: unstable
Suggest: synchronizing this PR through rebase #23