{"id":"CVE-2023-53482","title":"iommu: Fix error unwind in iommu_group_alloc()","summary":"In the Linux kernel, the following vulnerability has been resolved:\n\niommu: Fix error unwind in iommu_group_alloc()\n\nIf either iommu_group_grate_file() fails then the\niommu_group is leaked.\n\nDestroy it on these error paths.\n\nFound by kse…","severity":"none","vendor":"Linux","product":"Linux","affected":["Linux >= bc7d12b91bd35477fd650c4d72b61239de9d9066 < f119ef452e2d82d912797273cb790a86f1125b3e","Linux >= bc7d12b91bd35477fd650c4d72b61239de9d9066 < 4c23124b45ee0aa895ed8d5d08871ae6b15ee336","Linux >= bc7d12b91bd35477fd650c4d72b61239de9d9066 < 8602fa38a63fc689eca29c8c586fac2d8a1f8739","Linux >= bc7d12b91bd35477fd650c4d72b61239de9d9066 < 4daa861174d56023c2068ddb03de0752f07fa199","Linux 4.11"],"ssvc":{"exploitation":"none","automatable":"no","technicalImpact":"partial","timestamp":"2026-11-05T20:22:09.431397Z"},"published":"2025-10-01","updated":"2026-11-05","sourceUpdated":"2026-11-05T20:31:11.402Z","source":"CVEORG","sourceUrl":"https://www.cve.org/CVERecord?id=CVE-2023-53482","references":[{"url":"https://git.kernel.org/stable/c/f119ef452e2d82d912797273cb790a86f1125b3e"},{"url":"https://git.kernel.org/stable/c/4c23124b45ee0aa895ed8d5d08871ae6b15ee336"},{"url":"https://git.kernel.org/stable/c/8602fa38a63fc689eca29c8c586fac2d8a1f8739"},{"url":"https://git.kernel.org/stable/c/4daa861174d56023c2068ddb03de0752f07fa199"}],"tags":["cve.org"],"epss":0.00159,"epssPercentile":0.05053,"ingestedAt":"2026-11-05T22:38:31.802Z","slug":"CVE-2023-53482","body":"## Overview\n\nIn the Linux kernel, the following vulnerability has been resolved:\n\niommu: Fix error unwind in iommu_group_alloc()\n\nIf either iommu_group_grate_file() fails then the\niommu_group is leaked.\n\nDestroy it on these error paths.\n\nFound by kselftest/iommu/iommufd_fail_nth\n\n## Affected\n\n- `Linux >= bc7d12b91bd35477fd650c4d72b61239de9d9066 < f119ef452e2d82d912797273cb790a86f1125b3e`\n- `Linux >= bc7d12b91bd35477fd650c4d72b61239de9d9066 < 4c23124b45ee0aa895ed8d5d08871ae6b15ee336`\n- `Linux >= bc7d12b91bd35477fd650c4d72b61239de9d9066 < 8602fa38a63fc689eca29c8c586fac2d8a1f8739`\n- `Linux >= bc7d12b91bd35477fd650c4d72b61239de9d9066 < 4daa861174d56023c2068ddb03de0752f07fa199`\n- `Linux 4.11`\n\n## Remediation\n\nRefer to the linked advisories for vendor-supplied fixes and affected version ranges.","depth":"sunlit","depthScore":3,"depthScoreParts":{"impact":2.8,"likelihood":0,"exploitation":0,"ransomware":0},"changes":[]}