CVE-2023-52818: drm/amd: Fix UBSAN array-index-out-of-bounds for SMU7

Published May 21, 2024
·
Updated

In the Linux kernel, the following vulnerability has been resolved:

drm/amd: Fix UBSAN array-index-out-of-bounds for SMU7

For pptable structs that use flexible array sizes, use flexible arrays.

Affected Software

9 affected componentsFixes available
Linux Linux kernel<4.14.331
Linux Linux kernel>=4.15<4.19.300
Linux Linux kernel>=4.20<5.4.262
Linux Linux kernel>=5.5<5.10.202
Linux Linux kernel>=5.11<5.15.140
Linux Linux kernel>=5.16<6.1.64
Linux Linux kernel>=6.2<6.5.13
Linux Linux kernel>=6.6<6.6.3
debian/linux
5.10.223-15.10.234-16.1.129-16.1.133-16.12.21-16.12.22-1

Remediation

Recommended actions to resolve this vulnerability, in priority order.

  1. Upgrade

    Upgrade debian/linux to a version that resolves this vulnerability.

    Fixed in 5.10.223-1Fixed in 5.10.234-1Fixed in 6.1.129-1Fixed in 6.1.133-1Fixed in 6.12.21-1Fixed in 6.12.22-1
  2. Configuration

    For pptable structs that use flexible array sizes, use flexible arrays.

    Linux kernel drm/amd SMU7 pptable struct array declarations = flexible arrays

Event History

May 21, 2024
CVE Published
via MITRE·03:31 PM
Data Sourced
via MITRE·03:31 PM
Description

Frequently Asked Questions

1

What is the severity of CVE-2023-52818?

CVE-2023-52818 has a medium severity rating due to potential out-of-bounds access vulnerabilities in the Linux kernel.

2

How do I fix CVE-2023-52818?

To fix CVE-2023-52818, update your Linux kernel to a version that is 5.10.223-1 or higher.

3

Which versions of the Linux kernel are affected by CVE-2023-52818?

CVE-2023-52818 affects Linux kernel versions up to 4.14.331, and versions between 4.15 and 6.6.3.

4

What is the nature of the vulnerability described in CVE-2023-52818?

CVE-2023-52818 involves an array-index-out-of-bounds access vulnerability in the AMD Direct Rendering Manager for the Linux kernel.

5

Is CVE-2023-52818 a critical vulnerability?

No, CVE-2023-52818 is not classified as critical, but it poses risks that should be mitigated through kernel updates.

Contact

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