Linux Kernel up to 6.6.13/6.7.1 hisi_acc_vfio_pci privilege escalation

Summaryinfo

A vulnerability was found in Linux Kernel up to 6.6.13/6.7.1. It has been rated as problematic. Affected by this vulnerability is the function hisi_acc_vfio_pci. The manipulation leads to an unknown weakness. This vulnerability is traded as CVE-2023-52453. There is no exploit available. Upgrading the affected component is advised.

Detailsinfo

A vulnerability, which was classified as problematic, has been found in Linux Kernel up to 6.6.13/6.7.1 (Operating System). The impact remains unknown. The summary by CVE is:

In the Linux kernel, the following vulnerability has been resolved: hisi_acc_vfio_pci: Update migration data pointer correctly on saving/resume When the optional PRE_COPY support was added to speed up the device compatibility check, it failed to update the saving/resuming data pointers based on the fd offset. This results in migration data corruption and when the device gets started on the destination the following error is reported in some cases, [ 478.907684] arm-smmu-v3 arm-smmu-v3.2.auto: event 0x10 received: [ 478.913691] arm-smmu-v3 arm-smmu-v3.2.auto: 0x0000310200000010 [ 478.919603] arm-smmu-v3 arm-smmu-v3.2.auto: 0x000002088000007f [ 478.925515] arm-smmu-v3 arm-smmu-v3.2.auto: 0x0000000000000000 [ 478.931425] arm-smmu-v3 arm-smmu-v3.2.auto: 0x0000000000000000 [ 478.947552] hisi_zip 0000:31:00.0: qm_axi_rresp [error status=0x1] found [ 478.955930] hisi_zip 0000:31:00.0: qm_db_timeout [error status=0x400] found [ 478.955944] hisi_zip 0000:31:00.0: qm sq doorbell timeout in function 2

The weakness was shared 02/23/2024. It is possible to read the advisory at git.kernel.org. The identification of this vulnerability is CVE-2023-52453 since 02/20/2024. Technical details of the vulnerability are known, but there is no available exploit.

Upgrading to version 6.6.14, 6.7.2 or 6.8-rc1 eliminates this vulnerability. Applying the patch 45f80b2f230d/6bda81e24a35/be12ad45e15b is able to eliminate this problem. The bugfix is ready for download at git.kernel.org. The best possible mitigation is suggested to be upgrading to the latest version.

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Productinfo

Type

• Operating System

Vendor

• Linux

Name

• Kernel

Version

• 6.6.0
• 6.6.1
• 6.6.2
• 6.6.3
• 6.6.4
• 6.6.5
• 6.6.6
• 6.6.7
• 6.6.8
• 6.6.9
• 6.6.10
• 6.6.11
• 6.6.12
• 6.6.13
• 6.7.0
• 6.7.1

License

• open-source

Website

• Vendor: https://www.kernel.org/

CPE 2.3info

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CPE 2.2info

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