[Deepin-Kernel-SIG] [linux 6.18-y] config: disable INET{6}_ESPINTCP

[opsiff]

deepin inclusion
category: bugfix

Temporary disable these configs to mitigate this vulnerability from CVE-2026-46300.

(cherry picked from commit c7fae3b)

Summary by Sourcery

Disable INET and INET6 ESP-in-TCP options in desktop defconfigs to mitigate CVE-2026-46300 across supported architectures.

Bug Fixes:

• Temporarily turn off INET and INET6 ESP-in-TCP kernel configuration options to mitigate CVE-2026-46300 in desktop kernels.

Build:

• Update arm64 and loongarch desktop defconfig files to reflect the disabled ESP-in-TCP networking options.

[sourcery-ai]

Reviewer's guide (collapsed on small PRs)

Reviewer's Guide

Temporarily disables the INET_ESPINTCP and INET6_ESPINTCP kernel configuration options in Deepin’s arm64 and loongarch desktop defconfigs to mitigate CVE-2026-46300.

File-Level Changes

Change	Details	Files
Disable ESP-in-TCP options for IPv4 and IPv6 in Deepin desktop defconfig kernels as a temporary mitigation for CVE-2026-46300.	Unset or comment out INET_ESPINTCP in the arm64 desktop defconfig so the feature is no longer built into the kernel. Unset or comment out INET6_ESPINTCP in the arm64 desktop defconfig to disable the IPv6 variant. Apply the same disabling of INET_ESPINTCP to the loongarch desktop defconfig. Apply the same disabling of INET6_ESPINTCP to the loongarch desktop defconfig.	arch/arm64/configs/deepin_arm64_desktop_defconfig arch/loongarch/configs/deepin_loongarch_desktop_defconfig

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[Avenger-285714]

Please remember to clean up this configuration item across all architectures after the release to maintain consistency.

[sourcery-ai]

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

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[Avenger-285714]

/approve

[deepin-ci-robot]

[APPROVALNOTIFIER] This PR is APPROVED

This pull-request has been approved by: Avenger-285714

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Details

Needs approval from an approver in each of these files:

• deepin/OWNERS [Avenger-285714]

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[Copilot]

Pull request overview

This pull request updates Deepin desktop kernel defconfigs to mitigate CVE-2026-46300 by disabling the ESP-in-TCP configuration options for IPv4/IPv6 IPsec.

Changes:

• Remove CONFIG_INET_ESPINTCP from the LoongArch desktop defconfig.
• Remove CONFIG_INET6_ESPINTCP from the LoongArch and arm64 desktop defconfigs.

Reviewed changes

Copilot reviewed 2 out of 2 changed files in this pull request and generated 2 comments.

File	Description
arch/loongarch/configs/deepin_loongarch_desktop_defconfig	Stops forcing IPv4/IPv6 ESP-in-TCP on in the LoongArch desktop kernel config.
arch/arm64/configs/deepin_arm64_desktop_defconfig	Stops forcing IPv6 ESP-in-TCP on in the arm64 desktop kernel config.

Comments suppressed due to low confidence (1)

arch/loongarch/configs/deepin_loongarch_desktop_defconfig:239

• Same as IPv4: removing CONFIG_INET6_ESPINTCP from the defconfig relies on current Kconfig defaults. To ensure the mitigation remains effective, explicitly disable it here (e.g., “# CONFIG_INET6_ESPINTCP is not set”).

CONFIG_INET6_AH=m
CONFIG_INET6_ESP=m
CONFIG_INET6_ESP_OFFLOAD=m
CONFIG_INET6_IPCOMP=m

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