CVE-2026-45947
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 versions
Linux kernel versions
6.5
and later are affected. Fixed in
6.6.128,
6.12.75,
6.18.14,
6.19.4,
7.0
and their respective stable series.
References
The following references provide additional information about CVE-2026-45947 including vendor advisories, patch commits, exploit details, and third-party analysis. Links are sourced from the NIST NVD database.
-
PatchKernel patch commithttps://git.kernel.org/stable/c/18a7bbd11f17a7cd4c42fd5955d3675d68c692df
-
PatchKernel patch commithttps://git.kernel.org/stable/c/7e4b612fe7a960d610c20260c9ee220bddd1b215
-
PatchKernel patch commithttps://git.kernel.org/stable/c/c9be63d565789b56ca7b0197e2cb78a3671f95a8
Frequently asked questions
-
What is CVE-2026-45947?
CVE-2026-45947 is a unscored severity Linux kernel vulnerability . It affects Linux kernel versions from 6.5 onward and has been patched in 6.6.128, 6.12.75, 6.18.14 and others. CVE-2026-45947 has not been confirmed as actively exploited and is not listed in the CISA KEV catalog.
-
Is there a patch available for CVE-2026-45947?
Yes — CVE-2026-45947 has been patched. Fixed versions include 6.6.128, 6.12.75, 6.18.14 and others. If you are running Linux kernel 6.5 or later up to the fix versions, apply the relevant patch for your kernel branch.
-
Is CVE-2026-45947 actively exploited?
No — CVE-2026-45947 has not been confirmed as actively exploited. It is not listed in the CISA Known Exploited Vulnerabilities (KEV) catalog.