What’s Vulnerable › Vulnerabilities

CVE-2023-52819: drm/amd: Fix UBSAN array-index-out-of-bounds for Polaris and Tonga

• Severity: medium (CVSS 6.6 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 0.2% 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 Polaris and Tonga 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/0f0e59075b5c22f1e871fbd508d6e4f495048356
• https://git.kernel.org/stable/c/60a00dfc7c5deafd1dd393beaf53224f7256dad6
• https://git.kernel.org/stable/c/7c68283f3166221af3df5791f0e13d3137a72216
• https://git.kernel.org/stable/c/8c1dbddbfcb051e82cea0c197c620f9dcdc38e92
• https://git.kernel.org/stable/c/a237675aa1e62bbfaa341c535331c8656a508fa1
• https://git.kernel.org/stable/c/a63fd579e7b1c3a9ebd6e6c494d49b1b6cf5515e
• https://git.kernel.org/stable/c/b3b8b7c040cf069da7afe11c5bd73b870b8f3d18
• https://git.kernel.org/stable/c/d0725232da777840703f5f1e22f2e3081d712aa4
• https://git.kernel.org/stable/c/d50a56749e5afdc63491b88f5153c1aae00d4679
• https://git.kernel.org/stable/c/0f0e59075b5c22f1e871fbd508d6e4f495048356
• https://git.kernel.org/stable/c/60a00dfc7c5deafd1dd393beaf53224f7256dad6
• https://git.kernel.org/stable/c/7c68283f3166221af3df5791f0e13d3137a72216

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