{"api_version":"1","generated_at":"2026-07-24T19:00:23+00:00","cve":"CVE-2026-64054","urls":{"html":"https://cve.report/CVE-2026-64054","api":"https://cve.report/api/cve/CVE-2026-64054.json","docs":"https://cve.report/api","cve_org":"https://www.cve.org/CVERecord?id=CVE-2026-64054","nvd":"https://nvd.nist.gov/vuln/detail/CVE-2026-64054"},"summary":{"title":"net: shaper: reject duplicate leaves in GROUP request","description":"In the Linux kernel, the following vulnerability has been resolved:\n\nnet: shaper: reject duplicate leaves in GROUP request\n\nnet_shaper_nl_group_doit() does not deduplicate NET_SHAPER_A_LEAVES\nentries. When userspace supplies the same leaf handle twice, the same\nold-parent pointer lands twice in old_nodes[]. The cleanup loop double\nfrees the parent. Of course the same parent may still be in old_nodes[]\ntwice if we are moving multiple of its leaves.\n\nNote that this patch also implicitly fixes the fact that the\ni >= leaves_count path forgets to set ret.","state":"PUBLISHED","assigner":"Linux","published_at":"2026-07-19 16:17:45","updated_at":"2026-07-19 16:17:45"},"problem_types":[],"metrics":[],"references":[{"url":"https://git.kernel.org/stable/c/5098b223f0f0c5c18a3884a8b0ea5bd4a0c7bd75","name":"https://git.kernel.org/stable/c/5098b223f0f0c5c18a3884a8b0ea5bd4a0c7bd75","refsource":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","tags":[],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://git.kernel.org/stable/c/a9a2fa1da619f276580b0d4c5d12efac89e8642b","name":"https://git.kernel.org/stable/c/a9a2fa1da619f276580b0d4c5d12efac89e8642b","refsource":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","tags":[],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://git.kernel.org/stable/c/31767bf852b59f05125b58a17007e4cd1ea9eb2e","name":"https://git.kernel.org/stable/c/31767bf852b59f05125b58a17007e4cd1ea9eb2e","refsource":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","tags":[],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://www.cve.org/CVERecord?id=CVE-2026-64054","name":"CVE Program record","refsource":"CVE.ORG","tags":["canonical"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2026-64054","name":"NVD vulnerability detail","refsource":"NVD","tags":["canonical","analysis"]}],"affected":[{"source":"CNA","vendor":"Linux","product":"Linux","version":"affected 5d5d4700e75d861e83bf18eb6bf66ff90f85fe4e 5098b223f0f0c5c18a3884a8b0ea5bd4a0c7bd75 git","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"affected 5d5d4700e75d861e83bf18eb6bf66ff90f85fe4e 31767bf852b59f05125b58a17007e4cd1ea9eb2e git","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"affected 5d5d4700e75d861e83bf18eb6bf66ff90f85fe4e a9a2fa1da619f276580b0d4c5d12efac89e8642b git","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"affected 6.13","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"unaffected 6.13 semver","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"unaffected 6.18.34 6.18.* semver","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"unaffected 7.0.11 7.0.* semver","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"unaffected 7.1 * original_commit_for_fix","platforms":[]}],"timeline":[],"solutions":[],"workarounds":[],"exploits":[],"credits":[],"nvd_cpes":[],"vendor_comments":[],"enrichments":{"kev":null,"epss":{"cve_year":"2026","cve_id":"64054","cve":"CVE-2026-64054","epss":"0.001660000","percentile":"0.061640000","score_date":"2026-07-20","updated_at":"2026-07-21 00:13:14"},"legacy_qids":[]},"source_records":{"cve_program":{"containers":{"cna":{"affected":[{"defaultStatus":"unaffected","product":"Linux","programFiles":["net/shaper/shaper.c"],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","vendor":"Linux","versions":[{"lessThan":"5098b223f0f0c5c18a3884a8b0ea5bd4a0c7bd75","status":"affected","version":"5d5d4700e75d861e83bf18eb6bf66ff90f85fe4e","versionType":"git"},{"lessThan":"31767bf852b59f05125b58a17007e4cd1ea9eb2e","status":"affected","version":"5d5d4700e75d861e83bf18eb6bf66ff90f85fe4e","versionType":"git"},{"lessThan":"a9a2fa1da619f276580b0d4c5d12efac89e8642b","status":"affected","version":"5d5d4700e75d861e83bf18eb6bf66ff90f85fe4e","versionType":"git"}]},{"defaultStatus":"affected","product":"Linux","programFiles":["net/shaper/shaper.c"],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","vendor":"Linux","versions":[{"status":"affected","version":"6.13"},{"lessThan":"6.13","status":"unaffected","version":"0","versionType":"semver"},{"lessThanOrEqual":"6.18.*","status":"unaffected","version":"6.18.34","versionType":"semver"},{"lessThanOrEqual":"7.0.*","status":"unaffected","version":"7.0.11","versionType":"semver"},{"lessThanOrEqual":"*","status":"unaffected","version":"7.1","versionType":"original_commit_for_fix"}]}],"cpeApplicability":[{"nodes":[{"cpeMatch":[{"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionEndExcluding":"6.18.34","versionStartIncluding":"6.13","vulnerable":true},{"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionEndExcluding":"7.0.11","versionStartIncluding":"6.13","vulnerable":true},{"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionEndExcluding":"7.1","versionStartIncluding":"6.13","vulnerable":true}],"negate":false,"operator":"OR"}]}],"descriptions":[{"lang":"en","value":"In the Linux kernel, the following vulnerability has been resolved:\n\nnet: shaper: reject duplicate leaves in GROUP request\n\nnet_shaper_nl_group_doit() does not deduplicate NET_SHAPER_A_LEAVES\nentries. When userspace supplies the same leaf handle twice, the same\nold-parent pointer lands twice in old_nodes[]. The cleanup loop double\nfrees the parent. Of course the same parent may still be in old_nodes[]\ntwice if we are moving multiple of its leaves.\n\nNote that this patch also implicitly fixes the fact that the\ni >= leaves_count path forgets to set ret."}],"providerMetadata":{"dateUpdated":"2026-07-19T15:39:36.475Z","orgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","shortName":"Linux"},"references":[{"url":"https://git.kernel.org/stable/c/5098b223f0f0c5c18a3884a8b0ea5bd4a0c7bd75"},{"url":"https://git.kernel.org/stable/c/31767bf852b59f05125b58a17007e4cd1ea9eb2e"},{"url":"https://git.kernel.org/stable/c/a9a2fa1da619f276580b0d4c5d12efac89e8642b"}],"title":"net: shaper: reject duplicate leaves in GROUP request","x_generator":{"engine":"bippy-1.2.0"}}},"cveMetadata":{"assignerOrgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","assignerShortName":"Linux","cveId":"CVE-2026-64054","datePublished":"2026-07-19T15:39:36.475Z","dateReserved":"2026-07-19T07:54:57.029Z","dateUpdated":"2026-07-19T15:39:36.475Z","state":"PUBLISHED"},"dataType":"CVE_RECORD","dataVersion":"5.2"},"nvd":{"publishedDate":"2026-07-19 16:17:45","lastModifiedDate":"2026-07-19 16:17:45","problem_types":[],"metrics":[],"configurations":[]},"legacy_mitre":{"record":{"CveYear":"2026","CveId":"64054","Ordinal":"1","Title":"net: shaper: reject duplicate leaves in GROUP request","CVE":"CVE-2026-64054","Year":"2026"},"notes":[{"CveYear":"2026","CveId":"64054","Ordinal":"1","NoteData":"In the Linux kernel, the following vulnerability has been resolved:\n\nnet: shaper: reject duplicate leaves in GROUP request\n\nnet_shaper_nl_group_doit() does not deduplicate NET_SHAPER_A_LEAVES\nentries. When userspace supplies the same leaf handle twice, the same\nold-parent pointer lands twice in old_nodes[]. The cleanup loop double\nfrees the parent. Of course the same parent may still be in old_nodes[]\ntwice if we are moving multiple of its leaves.\n\nNote that this patch also implicitly fixes the fact that the\ni >= leaves_count path forgets to set ret.","Type":"Description","Title":"net: shaper: reject duplicate leaves in GROUP request"}]}}}