ghsa-x7jr-h454-h8h3
Vulnerability from github
Published
2024-12-27 15:31
Modified
2024-12-27 15:31
Details

In the Linux kernel, the following vulnerability has been resolved:

iommu/tegra241-cmdqv: Fix alignment failure at max_n_shift

When configuring a kernel with PAGE_SIZE=4KB, depending on its setting of CONFIG_CMA_ALIGNMENT, VCMDQ_LOG2SIZE_MAX=19 could fail the alignment test and trigger a WARN_ON: WARNING: at drivers/iommu/arm/arm-smmu-v3/arm-smmu-v3.c:3646 Call trace: arm_smmu_init_one_queue+0x15c/0x210 tegra241_cmdqv_init_structures+0x114/0x338 arm_smmu_device_probe+0xb48/0x1d90

Fix it by capping max_n_shift to CMDQ_MAX_SZ_SHIFT as SMMUv3 CMDQ does.

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{
   affected: [],
   aliases: [
      "CVE-2024-53225",
   ],
   database_specific: {
      cwe_ids: [],
      github_reviewed: false,
      github_reviewed_at: null,
      nvd_published_at: "2024-12-27T14:15:30Z",
      severity: null,
   },
   details: "In the Linux kernel, the following vulnerability has been resolved:\n\niommu/tegra241-cmdqv: Fix alignment failure at max_n_shift\n\nWhen configuring a kernel with PAGE_SIZE=4KB, depending on its setting of\nCONFIG_CMA_ALIGNMENT, VCMDQ_LOG2SIZE_MAX=19 could fail the alignment test\nand trigger a WARN_ON:\n    WARNING: at drivers/iommu/arm/arm-smmu-v3/arm-smmu-v3.c:3646\n    Call trace:\n     arm_smmu_init_one_queue+0x15c/0x210\n     tegra241_cmdqv_init_structures+0x114/0x338\n     arm_smmu_device_probe+0xb48/0x1d90\n\nFix it by capping max_n_shift to CMDQ_MAX_SZ_SHIFT as SMMUv3 CMDQ does.",
   id: "GHSA-x7jr-h454-h8h3",
   modified: "2024-12-27T15:31:52Z",
   published: "2024-12-27T15:31:52Z",
   references: [
      {
         type: "ADVISORY",
         url: "https://nvd.nist.gov/vuln/detail/CVE-2024-53225",
      },
      {
         type: "WEB",
         url: "https://git.kernel.org/stable/c/85a1d70b86dbcb84a68e7e4942a5181276945988",
      },
      {
         type: "WEB",
         url: "https://git.kernel.org/stable/c/a3799717b881aa0f4e722afb70e7b8ba84ae4f36",
      },
   ],
   schema_version: "1.4.0",
   severity: [],
}


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