Buffer Overflow Vulnerability in Linux Kernel Affecting AMD IOMMU
CVE-2025-38676
What is CVE-2025-38676?
A buffer overflow vulnerability has been identified in the Linux kernel related to the AMD IOMMU. This issue occurs when handling kernel command line parameters, specifically when writing an 'acpiid' string. In certain conditions, it is possible to write beyond the allocated memory, which could lead to unpredictable behavior or potential exploitation. The vulnerability has been addressed to ensure that this overflow is prevented, enhancing the overall security of systems utilizing the kernel.
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Affected Version(s)
Linux f2a5ec7f7b28f9b9cd5fac232ff51019a7f7b9e9
Linux c513043e0afe6a8ba79d00af358655afabb576d2 < 0ad8509b468fa1058f4f400a1829f29e4ccc4de8
Linux 2ae19ac3ea82a5b87a81c10adbb497c9e58bdd60 < 9ff52d3af0ef286535749e14e3fe9eceb39a8349