CVE-2026-45947

drm/amdgpu: Fix memory leak in amdgpu_acpi_enumerate_xcc()

MEDIUM

5.5

CVSS Score

Published: May 27, 2026 at 12:18 PM UTC

Updated: June 17, 2026 at 10:52 AM UTC

1 product affected across 1 vendorLinux Kernel

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Severity

MEDIUM5.5

Exploit prediction

EPSS 0.2%

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

Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.

Linux Kernel · Linux

95%

6.13 ≤ v < 6.18.146.19 ≤ v < 6.19.46.5 ≤ v < 6.12.756.5 ≤ v < 6.18.146.5 ≤ v < 6.19.46.5 ≤ v < 6.6.1286.5 ≤ v < 7.06.7 ≤ v < 6.12.754d5275ab0b18d17697392aafd93e206e6b9de6476.5

Vendor states this is fixed in 18a7bbd11f17a7cd4c42fd5955d3675d68c692df (fixed)

Vendor states this is fixed in 7e4b612fe7a960d610c20260c9ee220bddd1b215 (fixed)

Vendor states this is fixed in c9be63d565789b56ca7b0197e2cb78a3671f95a8 (fixed)

Vendor states this is fixed in d1370ef2ecf7d4df25e3e1e430cd191b1e7f8596 (fixed)

Vendor states this is fixed in e87c73a80a12d337cf5f493c0956f6c2c9eafd80 (fixed)

Vendor states this is fixed in 6.12.75 (unaffected)

Vendor states this is fixed in 6.18.14 (unaffected)

Vendor states this is fixed in 6.19.4 (unaffected)

Vendor states this is fixed in 6.5 (unaffected)

Vendor states this is fixed in 6.6.128 (unaffected)

Vendor states this is fixed in 7.0 (unaffected)