CVE-2026-45853None▾ SunlitIn 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(), whic…
▾ Sunlit zone — Low / medium · no exploitation signal
impact 2.8 · likelihood 0 · exploitation 0
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Stakeholder-Specific Vulnerability Categorization from CISA's ADP record at CVE.org: whether exploitation is observed, whether an attack can be automated, and how much of the system is at stake.
Exploit-prediction probability, daily snapshots since Nov 6.
Disclosure to exploitation, from the record and what we observed since indexing it.
Disclosed via CVEORG
Last analysed / modified upstream
0.2%
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.
Linux >= b194d21b9bcc15b50df1bc3ff7428e51c2918a6f < 16e7e7ad8cdc6b4c4af7f31e262f1494c1b2a55eLinux >= b194d21b9bcc15b50df1bc3ff7428e51c2918a6f < 9ae85b0c1909b6c6bfd2636b04cdaf7f520bf2b5Linux >= b194d21b9bcc15b50df1bc3ff7428e51c2918a6f < f441538893eba6347b983f2904819ca6c99da65eLinux >= b194d21b9bcc15b50df1bc3ff7428e51c2918a6f < 0c44d61945c4a80775292d96460aa2f22e62f86cLinux 6.11Refer to the linked advisories for vendor-supplied fixes and affected version ranges.
Connected by shared product, vendor, weakness, or advisory.
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