{"api_version":"1","generated_at":"2026-08-18T00:15:15+00:00","cve":"CVE-2026-72056","urls":{"html":"https://cve.report/CVE-2026-72056","api":"https://cve.report/api/cve/CVE-2026-72056.json","docs":"https://cve.report/api","cve_org":"https://www.cve.org/CVERecord?id=CVE-2026-72056","nvd":"https://nvd.nist.gov/vuln/detail/CVE-2026-72056"},"summary":{"title":"net: ena: clean up XDP TX queues when regular TX setup fails","description":"In the Linux kernel, the following vulnerability has been resolved:\n\nnet: ena: clean up XDP TX queues when regular TX setup fails\n\ncreate_queues_with_size_backoff() creates XDP TX queues before setting\nup the regular TX path. If the subsequent allocation or creation of\nregular TX queues fails, the error handling paths omit the teardown of the\nXDP TX queues, leading to a resource leak.\n\nFix this by explicitly destroying the XDP TX queue subset at the two\nmissing failure points.\n\nThe bug was first flagged by an experimental analysis tool we are\ndeveloping for kernel memory-management bugs while analyzing\nv6.13-rc1. The tool is still under development and is not yet publicly\navailable. Manual inspection confirms that the bug is still\npresent in v7.1-rc7.\n\nAn x86_64 allyesconfig build showed no new warnings. As we do not have\nan ENA device to test with, no runtime testing was able to be performed.","state":"PUBLISHED","assigner":"Linux","published_at":"2026-08-15 06:21:15","updated_at":"2026-08-17 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Program record","refsource":"CVE.ORG","tags":["canonical"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2026-72056","name":"NVD vulnerability detail","refsource":"NVD","tags":["canonical","analysis"]}],"affected":[{"source":"CNA","vendor":"Linux","product":"Linux","version":"affected 548c4940b9f1f527f81509468dd60b61418880b6 df65d9fea8437235e740552e542fb309765507db git","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"affected 548c4940b9f1f527f81509468dd60b61418880b6 5daa63404b708fc74e94da8398affbb148d09044 git","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"affected 548c4940b9f1f527f81509468dd60b61418880b6 523caef03124ecc08ce62a78c617759c2d28cf1c git","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"affected 548c4940b9f1f527f81509468dd60b61418880b6 f2ff634d95f8a6c885b9ce71a64067e255bcc34a git","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"affected 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the Linux kernel, the following vulnerability has been resolved:\n\nnet: ena: clean up XDP TX queues when regular TX setup fails\n\ncreate_queues_with_size_backoff() creates XDP TX queues before setting\nup the regular TX path. If the subsequent allocation or creation of\nregular TX queues fails, the error handling paths omit the teardown of the\nXDP TX queues, leading to a resource leak.\n\nFix this by explicitly destroying the XDP TX queue subset at the two\nmissing failure points.\n\nThe bug was first flagged by an experimental analysis tool we are\ndeveloping for kernel memory-management bugs while analyzing\nv6.13-rc1. The tool is still under development and is not yet publicly\navailable. Manual inspection confirms that the bug is still\npresent in v7.1-rc7.\n\nAn x86_64 allyesconfig build showed no new warnings. As we do not have\nan ENA device to test with, no runtime testing was able to be performed."}],"providerMetadata":{"dateUpdated":"2026-08-17T05:07:22.862Z","orgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","shortName":"Linux"},"references":[{"url":"https://git.kernel.org/stable/c/df65d9fea8437235e740552e542fb309765507db"},{"url":"https://git.kernel.org/stable/c/5daa63404b708fc74e94da8398affbb148d09044"},{"url":"https://git.kernel.org/stable/c/523caef03124ecc08ce62a78c617759c2d28cf1c"},{"url":"https://git.kernel.org/stable/c/f2ff634d95f8a6c885b9ce71a64067e255bcc34a"},{"url":"https://git.kernel.org/stable/c/6773d6d82bdabddab2b31605d6d7029c91dbd217"},{"url":"https://git.kernel.org/stable/c/6596baf8041100a9d1647beb5ea8ea4496ce058f"},{"url":"https://git.kernel.org/stable/c/11f68ebc6891d11de5f32b7dee918c5dc18b8de1"},{"url":"https://git.kernel.org/stable/c/1bd6676254b4ab6acd44b662b5e92822c036463a"}],"title":"net: ena: clean up XDP TX queues when regular TX setup fails","x_generator":{"engine":"bippy-1.2.0"}}},"cveMetadata":{"assignerOrgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","assignerShortName":"Linux","cveId":"CVE-2026-72056","datePublished":"2026-08-15T05:52:12.136Z","dateReserved":"2026-08-09T03:40:39.903Z","dateUpdated":"2026-08-17T05:07:22.862Z","state":"PUBLISHED"},"dataType":"CVE_RECORD","dataVersion":"5.2"},"nvd":{"publishedDate":"2026-08-15 06:21:15","lastModifiedDate":"2026-08-17 06:18:03","problem_types":[],"metrics":[],"configurations":[]},"legacy_mitre":{"record":{"CveYear":"2026","CveId":"72056","Ordinal":"1","Title":"net: ena: clean up XDP TX queues when regular TX setup fails","CVE":"CVE-2026-72056","Year":"2026"},"notes":[{"CveYear":"2026","CveId":"72056","Ordinal":"1","NoteData":"In the Linux kernel, the following vulnerability has been resolved:\n\nnet: ena: clean up XDP TX queues when regular TX setup fails\n\ncreate_queues_with_size_backoff() creates XDP TX queues before setting\nup the regular TX path. If the subsequent allocation or creation of\nregular TX queues fails, the error handling paths omit the teardown of the\nXDP TX queues, leading to a resource leak.\n\nFix this by explicitly destroying the XDP TX queue subset at the two\nmissing failure points.\n\nThe bug was first flagged by an experimental analysis tool we are\ndeveloping for kernel memory-management bugs while analyzing\nv6.13-rc1. The tool is still under development and is not yet publicly\navailable. Manual inspection confirms that the bug is still\npresent in v7.1-rc7.\n\nAn x86_64 allyesconfig build showed no new warnings. As we do not have\nan ENA device to test with, no runtime testing was able to be performed.","Type":"Description","Title":"net: ena: clean up XDP TX queues when regular TX setup fails"}]}}}