Various backlight issues with the 6.0/6.1 kernel

This bug was fixed in the package linux-oem-6.0 - 6.0.0-1019.19

---------------
linux-oem-6.0 (6.0.0-1019.19) jammy; urgency=medium

  * jammy/linux-oem-6.0: 6.0.0-1019.19 -proposed tracker (LP: #2024151)

  * CVE-2023-2430
    - io_uring: get rid of double locking
    - io_uring: extract a io_msg_install_complete helper
    - io_uring/msg_ring: move double lock/unlock helpers higher up
    - io_uring/msg_ring: fix missing lock on overflow for IOPOLL

  * Various backlight issues with the 6.0 kernel (LP: #2023638)
    - ACPI: video: Add auto_detect arg to __acpi_video_get_backlight_type()
    - ACPI: video: Make acpi_backlight=video work independent from GPU driver
    - SAUCE: ACPI: video: Stop trying to use vendor backlight control on laptops
      from after ~2012

  * CVE-2022-4842
    - fs/ntfs3: Fix attr_punch_hole() null pointer derenference

  * CVE-2023-2124
    - xfs: verify buffer contents when we skip log replay

  * CVE-2023-0597
    - x86/kasan: Map shadow for percpu pages on demand
    - x86/mm: Randomize per-cpu entry area
    - x86/mm: Recompute physical address for every page of per-CPU CEA mapping
    - x86/mm: Populate KASAN shadow for entire per-CPU range of CPU entry area
    - x86/mm: Do not shuffle CPU entry areas without KASLR

  * cls_flower: off-by-one in fl_set_geneve_opt (LP: #2023577)
    - net/sched: flower: fix possible OOB write in fl_set_geneve_opt()

  * Some INVLPG implementations can leave Global translations unflushed when
    PCIDs are enabled (LP: #2023220)
    - x86/mm: Avoid incomplete Global INVLPG flushes

  * CVE-2023-2176
    - RDMA/core: Refactor rdma_bind_addr

  * Fix Monitor lost after replug WD19TBS to SUT port with VGA/DVI to type-C
    dongle (LP: #2021949)
    - thunderbolt: Increase timeout of DP OUT adapter handshake
    - thunderbolt: Do not touch CL state configuration during discovery
    - thunderbolt: Increase DisplayPort Connection Manager handshake timeout

  * CVE-2023-1073
    - HID: check empty report_list in hid_validate_values()

  * CVE-2023-0459
    - uaccess: Add speculation barrier to copy_from_user()

  * selftest: fib_tests: Always cleanup before exit (LP: #2015956)
    - selftest: fib_tests: Always cleanup before exit

 -- Timo Aaltonen <email address hidden> Tue, 20 Jun 2023 12:57:07 +0300

This bug is awaiting verification that the linux-oem-6.1/6.1.0-1017.17 kernel in https://launchpad.net/~canonical-kernel-team/+archive/ubuntu/proposed2 solves the problem. Please test the kernel and update this bug with the results. If the problem is solved, change the tag 'verification-needed-jammy' to 'verification-done-jammy'. If the problem still exists, change the tag 'verification-needed-jammy' to 'verification-failed-jammy'.

If verification is not done by 5 working days from today, this fix will be dropped from the source code, and this bug will be closed.

See https://wiki.ubuntu.com/Testing/EnableProposed for documentation how to enable and use -proposed. Thank you!

This bug was fixed in the package linux-oem-6.1 - 6.1.0-1017.17

---------------
linux-oem-6.1 (6.1.0-1017.17) jammy; urgency=medium

  * jammy/linux-oem-6.1: 6.1.0-1017.17 -proposed tracker (LP: #2026459)

  * Packaging resync (LP: #1786013)
    - [Packaging] resync update-dkms-versions helper

  * CVE-2023-3269
    - exec: Remove FOLL_FORCE for stack setup
    - mm: introduce new 'lock_mm_and_find_vma()' page fault helper
    - mm: make the page fault mmap locking killable
    - arm64/mm: Convert to using lock_mm_and_find_vma()
    - powerpc/mm: Convert to using lock_mm_and_find_vma()
    - mips/mm: Convert to using lock_mm_and_find_vma()
    - riscv/mm: Convert to using lock_mm_and_find_vma()
    - arm/mm: Convert to using lock_mm_and_find_vma()
    - mm/fault: convert remaining simple cases to lock_mm_and_find_vma()
    - powerpc/mm: convert coprocessor fault to lock_mm_and_find_vma()
    - mm: make find_extend_vma() fail if write lock not held
    - execve: expand new process stack manually ahead of time
    - mm: always expand the stack with the mmap write lock held
    - [CONFIG]: Set CONFIG_LOCK_MM_AND_FIND_VMA

  * CVE-2023-3389
    - io_uring/poll: serialize poll linked timer start with poll removal

  * amd_pmf: AMD 7840HS cpufreq locked at 400-544MHz after power unplugged
    (LP: #2025670)
    - platform/x86/amd/pmf: Register notify handler only if SPS is enabled

  * Mute/mic LEDs no function on some HP Platforms (LP: #2025444)
    - ALSA: hda/realtek: Enable mute/micmute LEDs and limit mic boost on EliteBook

  * Various backlight issues with the 6.0/6.1 kernel (LP: #2023638)
    - ACPI: video: Stop trying to use vendor backlight control on laptops from
      after ~2012

  * HDMI output with More than one child device for port B in VBT error
    (LP: #2025195)
    - SAUCE: drm/i915/quirks: Add multiple VBT quirk for HP ZBook Power G10

 -- You-Sheng Yang <email address hidden> Wed, 12 Jul 2023 11:26:03 +0800

This bug is awaiting verification that the linux/6.2.0-30.30 kernel in -proposed solves the problem. Please test the kernel and update this bug with the results. If the problem is solved, change the tag 'verification-needed-lunar-linux' to 'verification-done-lunar-linux'. If the problem still exists, change the tag 'verification-needed-lunar-linux' to 'verification-failed-lunar-linux'.

If verification is not done by 5 working days from today, this fix will be dropped from the source code, and this bug will be closed.

See https://wiki.ubuntu.com/Testing/EnableProposed for documentation how to enable and use -proposed. Thank you!

This bug is awaiting verification that the linux-nvidia-6.2/6.2.0-1010.10 kernel in -proposed solves the problem. Please test the kernel and update this bug with the results. If the problem is solved, change the tag 'verification-needed-jammy-linux-nvidia-6.2' to 'verification-done-jammy-linux-nvidia-6.2'. If the problem still exists, change the tag 'verification-needed-jammy-linux-nvidia-6.2' to 'verification-failed-jammy-linux-nvidia-6.2'.

If verification is not done by 5 working days from today, this fix will be dropped from the source code, and this bug will be closed.

See https://wiki.ubuntu.com/Testing/EnableProposed for documentation how to enable and use -proposed. Thank you!

This bug is awaiting verification that the linux-starfive/6.2.0-1004.5 kernel in -proposed solves the problem. Please test the kernel and update this bug with the results. If the problem is solved, change the tag 'verification-needed-lunar-linux-starfive' to 'verification-done-lunar-linux-starfive'. If the problem still exists, change the tag 'verification-needed-lunar-linux-starfive' to 'verification-failed-lunar-linux-starfive'.

If verification is not done by 5 working days from today, this fix will be dropped from the source code, and this bug will be closed.

See https://wiki.ubuntu.com/Testing/EnableProposed for documentation how to enable and use -proposed. Thank you!

This bug is awaiting verification that the linux-aws-6.2/6.2.0-1013.13~22.04.1 kernel in -proposed solves the problem. Please test the kernel and update this bug with the results. If the problem is solved, change the tag 'verification-needed-jammy-linux-aws-6.2' to 'verification-done-jammy-linux-aws-6.2'. If the problem still exists, change the tag 'verification-needed-jammy-linux-aws-6.2' to 'verification-failed-jammy-linux-aws-6.2'.

If verification is not done by 5 working days from today, this fix will be dropped from the source code, and this bug will be closed.

See https://wiki.ubuntu.com/Testing/EnableProposed for documentation how to enable and use -proposed. Thank you!

This bug is awaiting verification that the linux-azure/6.2.0-1013.13 kernel in -proposed solves the problem. Please test the kernel and update this bug with the results. If the problem is solved, change the tag 'verification-needed-lunar-linux-azure' to 'verification-done-lunar-linux-azure'. If the problem still exists, change the tag 'verification-needed-lunar-linux-azure' to 'verification-failed-lunar-linux-azure'.

If verification is not done by 5 working days from today, this fix will be dropped from the source code, and this bug will be closed.

See https://wiki.ubuntu.com/Testing/EnableProposed for documentation how to enable and use -proposed. Thank you!

Ubuntu 23.04 (Lunar Lobster) has reached end of life, so this bug will not be fixed for that specific release.