Some INVLPG implementations can leave Global translations unflushed when PCIDs are enabled

[Thadeu Lima de Souza Cascardo]

[Impact]
When PCIDs are enabled on Alder Lake and Raptor Lake, INVLPG will not flush the global TLB entries. This can lead to info leak or undefined behavior.

[Mitigation]
Boot with nopcid on affected systems.

[Test case]
There is no particular test case.

[Potential regressions]
This affects performance on the affected systems. TLB behavior could also be affected.

[Ubuntu Kernel Bot (ubuntu-kernel-bot)]

This bug is missing log files that will aid in diagnosing the problem. While running an Ubuntu kernel (not a mainline or third-party kernel) please enter the following command in a terminal window:

apport-collect 2023220

and then change the status of the bug to 'Confirmed'.

If, due to the nature of the issue you have encountered, you are unable to run this command, please add a comment stating that fact and change the bug status to 'Confirmed'.

This change has been made by an automated script, maintained by the Ubuntu Kernel Team.

[Ubuntu Kernel Bot (ubuntu-kernel-bot)]

This bug is awaiting verification that the linux-oem-6.1/6.1.0-1015.15 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' 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!

[Ubuntu Kernel Bot (ubuntu-kernel-bot)]

This bug is awaiting verification that the linux/5.15.0-77.84 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' 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!

[Ubuntu Kernel Bot (ubuntu-kernel-bot)]

This bug is awaiting verification that the linux/5.4.0-154.171 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-focal' to 'verification-done-focal'. If the problem still exists, change the tag 'verification-needed-focal' to 'verification-failed-focal'.

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 Kernel Bot (ubuntu-kernel-bot)]

This bug is awaiting verification that the linux/6.2.0-25.25 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' to 'verification-done-lunar'. If the problem still exists, change the tag 'verification-needed-lunar' to 'verification-failed-lunar'.

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!

[Launchpad Janitor (janitor)]

This bug was fixed in the package linux - 5.15.0-76.83

---------------
linux (5.15.0-76.83) jammy; urgency=medium

  * jammy/linux: 5.15.0-76.83 -proposed tracker (LP: #2023905)

  * 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

 -- Thadeu Lima de Souza Cascardo <email address hidden> Thu, 15 Jun 2023 14:47:18 -0300

[Launchpad Janitor (janitor)]

This bug was fixed in the package linux - 6.2.0-24.24

---------------
linux (6.2.0-24.24) lunar; urgency=medium

  * lunar/linux: 6.2.0-24.24 -proposed tracker (LP: #2024058)

  * Packaging resync (LP: #1786013)
    - [Packaging] resync git-ubuntu-log
    - [Packaging] resync getabis

  * 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

 -- Thadeu Lima de Souza Cascardo <email address hidden> Fri, 16 Jun 2023 06:07:20 -0300

[Launchpad Janitor (janitor)]

This bug was fixed in the package linux-oem-6.1 - 6.1.0-1015.15

---------------
linux-oem-6.1 (6.1.0-1015.15) jammy; urgency=medium

  * jammy/linux-oem-6.1: 6.1.0-1015.15 -proposed tracker (LP: #2024152)

  * Packaging resync (LP: #1786013)
    - [Packaging] resync git-ubuntu-log
    - [Packaging] resync getabis

  * 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

  * LSM: Configuring Too Many LSMs Causes Kernel Panic on Boot (LP: #1987998)
    - SAUCE: LSM: Change Landlock from LSMBLOB_NEEDED to LSMBLOB_NOT_NEEDED

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

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

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

  * ALSA: hda/realtek: Enable headset onLenovo M70/M90 (LP: #2021449)
    - ALSA: hda/realtek: Enable headset onLenovo M70/M90

  * Add microphone support of the front headphone port on P3 Tower
    (LP: #2023650)
    - ALSA: hda/realtek: Add Lenovo P3 Tower platform

  * Add support of Smart Amplifier IC ALC1319D on Intel platforms
    (LP: #2023201)
    - ASoC: Intel: soc-acpi: add table for RPL Dell SKU 0BDA

  * Fix speaker volume too low on HP G10 laptops (LP: #2023197)
    - ALSA: hda/realtek: Enable 4 amplifiers instead of 2 on a HP platform

  * System hang at reading amdgpu sysfs attribute psp_vbflash (LP: #2023307)
    - SAUCE: drm/amd: Make sure image is written to trigger VBIOS image update
      flow

  * System either hang with black screen or rebooted on entering suspend on AMD
    Ryzen 9 PRO 7940HS w/ Radeon 780M Graphics (LP: #2020685)
    - drm/amdgpu: refine get gpu clock counter method
    - drm/amdgpu/gfx11: update gpu_clock_counter logic

  * 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

  * Fix Disable thunderbolt clx make edp-monitor garbage while moving the
    touchpad (LP: #2023004)
    - drm/i915: Explain the magic numbers for AUX SYNC/precharge length
    - drm/i915: Use 18 fast wake AUX sync len

  * Include the MAC address pass through function on RTL8153DD-CG (LP: #2020295)
    - r8152: add USB device driver for config selection

  * FM350(mtk_t7xx) failed to suspend, or early wake while suspending
    (LP: #2020743)
    - net: wwan: t7xx: Ensure init is completed before system sleep

 -- Timo Aaltonen <email address hidden> Fri, 16 Jun 2023 11:51:13 +0300

[Launchpad Janitor (janitor)]

This bug was fixed in the package linux - 5.4.0-153.170

---------------
linux (5.4.0-153.170) focal; urgency=medium

  * focal/linux: 5.4.0-153.170 -proposed tracker (LP: #2024108)

  * 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

 -- Thadeu Lima de Souza Cascardo <email address hidden> Fri, 16 Jun 2023 10:20:20 -0300

[Launchpad Janitor (janitor)]

This bug was fixed in the package linux - 5.19.0-46.47

---------------
linux (5.19.0-46.47) kinetic; urgency=medium

  * kinetic/linux: 5.19.0-46.47 -proposed tracker (LP: #2024043)

  * Packaging resync (LP: #1786013)
    - [Packaging] resync git-ubuntu-log
    - [Packaging] resync getabis

  * CVE-2023-2430
    - io_uring/msg_ring: fix missing lock on overflow for IOPOLL

  * 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

 -- Thadeu Lima de Souza Cascardo <email address hidden> Fri, 16 Jun 2023 09:36:59 -0300

[Ubuntu Kernel Bot (ubuntu-kernel-bot)]

This bug is awaiting verification that the linux/5.19.0-47.49 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-kinetic' to 'verification-done-kinetic'. If the problem still exists, change the tag 'verification-needed-kinetic' to 'verification-failed-kinetic'.

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 Kernel Bot (ubuntu-kernel-bot)]

This bug is awaiting verification that the linux-nvidia-tegra/5.15.0-1015.15 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' 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!

[Ubuntu Kernel Bot (ubuntu-kernel-bot)]

This bug is awaiting verification that the linux-xilinx-zynqmp/5.15.0-1023.27 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' 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!

[Ubuntu Kernel Bot (ubuntu-kernel-bot)]

This bug is awaiting verification that the linux-ibm/5.15.0-1035.38 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' 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!

[Ubuntu Kernel Bot (ubuntu-kernel-bot)]

This bug is awaiting verification that the linux-riscv/6.2.0-27.28.1 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-lunar' to 'verification-done-lunar'. If the problem still exists, change the tag 'verification-needed-lunar' to 'verification-failed-lunar'.

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 Kernel Bot (ubuntu-kernel-bot)]

This bug is awaiting verification that the linux-azure/5.15.0-1043.50 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' 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!

[Ubuntu Kernel Bot (ubuntu-kernel-bot)]

This bug is awaiting verification that the linux-azure/6.2.0-1009.9 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' to 'verification-done-lunar'. If the problem still exists, change the tag 'verification-needed-lunar' to 'verification-failed-lunar'.

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 Kernel Bot (ubuntu-kernel-bot)]

This bug is awaiting verification that the linux-aws/5.15.0-1041.46 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' 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!

[Ubuntu Kernel Bot (ubuntu-kernel-bot)]

This bug is awaiting verification that the linux-hwe-6.2/6.2.0-26.26~22.04.1 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' 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!

[Ubuntu Kernel Bot (ubuntu-kernel-bot)]

This bug is awaiting verification that the linux-azure/5.4.0-1113.119 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-focal' to 'verification-done-focal'. If the problem still exists, change the tag 'verification-needed-focal' to 'verification-failed-focal'.

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 Kernel Bot (ubuntu-kernel-bot)]

This bug is awaiting verification that the linux-aws/5.4.0-1107.115 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-focal' to 'verification-done-focal'. If the problem still exists, change the tag 'verification-needed-focal' to 'verification-failed-focal'.

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 Kernel Bot (ubuntu-kernel-bot)]

This bug is awaiting verification that the linux-aws-5.15/5.15.0-1046.51~20.04.1 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-focal-linux-aws-5.15' to 'verification-done-focal-linux-aws-5.15'. If the problem still exists, change the tag 'verification-needed-focal-linux-aws-5.15' to 'verification-failed-focal-linux-aws-5.15'.

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 Kernel Bot (ubuntu-kernel-bot)]

This bug is awaiting verification that the linux-mtk/5.15.0-1030.34 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-mtk' to 'verification-done-jammy-linux-mtk'. If the problem still exists, change the tag 'verification-needed-jammy-linux-mtk' to 'verification-failed-jammy-linux-mtk'.

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!