CVE-2026-45853
Published: May 27, 2026
Modified: May 27, 2026
Description
In the Linux kernel, the following vulnerability has been resolved: drm/amdgpu: Use kvfree instead of kfree in amdgpu_gmc_get_nps_memranges() amdgpu_discovery_get_nps_info() internally allocates memory for ranges using kvcalloc(), which may use vmalloc() for large allocation. Using kfree() to release vmalloc memory will lead to a memory corruption. Use kvfree() to safely handle both kmalloc and vmalloc allocations. Compile tested only. Issue found using a prototype static analysis tool and code review.
| Vendor | Product | Versions |
|---|---|---|
Linux | Linux | affected b194d21b9bcc15b50df1bc3ff7428e51c2918a6f - < 16e7e7ad8cdc6b4c4af7f31e262f1494c1b2a55eaffected b194d21b9bcc15b50df1bc3ff7428e51c2918a6f - < 9ae85b0c1909b6c6bfd2636b04cdaf7f520bf2b5affected b194d21b9bcc15b50df1bc3ff7428e51c2918a6f - < f441538893eba6347b983f2904819ca6c99da65eaffected b194d21b9bcc15b50df1bc3ff7428e51c2918a6f - < 0c44d61945c4a80775292d96460aa2f22e62f86c |
Linux | Linux | affected 6.11unaffected 0 - < 6.11unaffected 6.12.75 - <= 6.12.*unaffected 6.18.14 - <= 6.18.*unaffected 6.19.4 - <= 6.19.*+1 more versions |
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