What’s Vulnerable › Vulnerabilities

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

• Severity: high (CVSS 7.8 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 0.3% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2024-05-21 · updated 2026-06-17
• Weakness: CWE-129

Description

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 products

• Linux kernel: before 4.14.331; from 4.15 before 4.19.300; from 4.20 before 5.4.262; from 5.5 before 5.10.202; from 5.11 before 5.15.140; from 5.16 before 6.1.64 — fixed in 4.14.331, 4.19.300, 5.10.202, 5.15.140, 5.4.262, 6.1.64

How to fix

Upgrade to a fixed version: Linux kernel 4.14.331, 4.19.300, 5.10.202, 5.15.140. Check the vendor advisory for mitigations.

References

• https://git.kernel.org/stable/c/6dffdddfca818c02a42b6caa1d9845995f0a1f94
• https://git.kernel.org/stable/c/760efbca74a405dc439a013a5efaa9fadc95a8c3
• https://git.kernel.org/stable/c/8af28ae3acb736ada4ce3457662fa446cc913bb4
• https://git.kernel.org/stable/c/92a775e7c9707aed28782bafe636bf87675f5a97
• https://git.kernel.org/stable/c/acdb6830de02cf2873aeaccdf2d9bca4aee50e47
• https://git.kernel.org/stable/c/c847379a5d00078ad6fcb1c24230e72c5609342f
• https://git.kernel.org/stable/c/cfd8cd907fd94538561479a43aea455f5cf16928
• https://git.kernel.org/stable/c/e52e324a21341c97350d5f11de14721c1c609498
• https://git.kernel.org/stable/c/fc9ac0e8e0bcb3740c6eaad3a1a50c20016d422b
• https://git.kernel.org/stable/c/6dffdddfca818c02a42b6caa1d9845995f0a1f94
• https://git.kernel.org/stable/c/760efbca74a405dc439a013a5efaa9fadc95a8c3
• https://git.kernel.org/stable/c/8af28ae3acb736ada4ce3457662fa446cc913bb4

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