What’s Vulnerable › Vulnerabilities

CVE-2026-45947: drm/amdgpu: Fix memory leak in amdgpu_acpi_enumerate_xcc()

• Severity: medium (CVSS 5.5 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: 2026-05-27 · updated 2026-06-17
• Weakness: CWE-401

Description

In the Linux kernel, the following vulnerability has been resolved: drm/amdgpu: Fix memory leak in amdgpu_acpi_enumerate_xcc() In amdgpu_acpi_enumerate_xcc(), if amdgpu_acpi_dev_init() returns -ENOMEM, the function returns directly without releasing the allocated xcc_info, resulting in a memory leak. Fix this by ensuring that xcc_info is properly freed in the error paths. Compile tested only. Issue found using a prototype static analysis tool and code review.

Affected products

• Linux kernel: from 6.5 before 6.6.128; from 6.7 before 6.12.75; from 6.13 before 6.18.14; from 6.19 before 6.19.4 — fixed in 6.12.75, 6.18.14, 6.19.4, 6.6.128

How to fix

Upgrade to a fixed version: Linux kernel 6.12.75, 6.18.14, 6.19.4, 6.6.128. Check the vendor advisory for mitigations.

References

• https://git.kernel.org/stable/c/18a7bbd11f17a7cd4c42fd5955d3675d68c692df
• https://git.kernel.org/stable/c/7e4b612fe7a960d610c20260c9ee220bddd1b215
• https://git.kernel.org/stable/c/c9be63d565789b56ca7b0197e2cb78a3671f95a8
• https://git.kernel.org/stable/c/d1370ef2ecf7d4df25e3e1e430cd191b1e7f8596
• https://git.kernel.org/stable/c/e87c73a80a12d337cf5f493c0956f6c2c9eafd80

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