{"api_version":"1","generated_at":"2026-08-16T18:14:55+00:00","cve":"CVE-2026-72223","urls":{"html":"https://cve.report/CVE-2026-72223","api":"https://cve.report/api/cve/CVE-2026-72223.json","docs":"https://cve.report/api","cve_org":"https://www.cve.org/CVERecord?id=CVE-2026-72223","nvd":"https://nvd.nist.gov/vuln/detail/CVE-2026-72223"},"summary":{"title":"nvdimm/btt: Free arena sub-allocations on discover_arenas() error path","description":"In the Linux kernel, the following vulnerability has been resolved:\n\nnvdimm/btt: Free arena sub-allocations on discover_arenas() error path\n\nMemory allocated by btt_freelist_init(), btt_rtt_init(), and\nbtt_maplocks_init() is not freed on some discover_arenas() error\npaths. This leaks memory when arena discovery fails.\n\nAdd the missing kfree() calls to release the allocations before\nreturning an error.\n\n[ as: commit message and log edits ]","state":"PUBLISHED","assigner":"Linux","published_at":"2026-08-15 06:21:41","updated_at":"2026-08-15 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Program record","refsource":"CVE.ORG","tags":["canonical"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2026-72223","name":"NVD vulnerability detail","refsource":"NVD","tags":["canonical","analysis"]}],"affected":[{"source":"CNA","vendor":"Linux","product":"Linux","version":"affected 5212e11fde4d40fa627668b4f2222d20db488f71 2d0364937550a7b3e2592629c2a68753ac020b28 git","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"affected 5212e11fde4d40fa627668b4f2222d20db488f71 eeb95774bc79268e2b78ebf01d8781560b5bd671 git","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"affected 5212e11fde4d40fa627668b4f2222d20db488f71 7563f69caa9143a491d5f26e563255c734751545 git","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"affected 5212e11fde4d40fa627668b4f2222d20db488f71 0b0d9404951aacc9717aa61e77af4a6e9e8f8249 git","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"affected 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the Linux kernel, the following vulnerability has been resolved:\n\nnvdimm/btt: Free arena sub-allocations on discover_arenas() error path\n\nMemory allocated by btt_freelist_init(), btt_rtt_init(), and\nbtt_maplocks_init() is not freed on some discover_arenas() error\npaths. This leaks memory when arena discovery fails.\n\nAdd the missing kfree() calls to release the allocations before\nreturning an error.\n\n[ as: commit message and log edits ]"}],"providerMetadata":{"dateUpdated":"2026-08-15T05:54:16.019Z","orgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","shortName":"Linux"},"references":[{"url":"https://git.kernel.org/stable/c/2d0364937550a7b3e2592629c2a68753ac020b28"},{"url":"https://git.kernel.org/stable/c/eeb95774bc79268e2b78ebf01d8781560b5bd671"},{"url":"https://git.kernel.org/stable/c/7563f69caa9143a491d5f26e563255c734751545"},{"url":"https://git.kernel.org/stable/c/0b0d9404951aacc9717aa61e77af4a6e9e8f8249"},{"url":"https://git.kernel.org/stable/c/873ced7f345e99f7ee16f9ff226515580332ecc4"},{"url":"https://git.kernel.org/stable/c/30d490bb2c4cd220e7dedf862ab6a09eb5dcbad5"},{"url":"https://git.kernel.org/stable/c/ba59b96d8d21dc8729fca44a022ca5919c1848c9"},{"url":"https://git.kernel.org/stable/c/13fe4cd9ddd0aacb7777812328be525a11ea3fea"}],"title":"nvdimm/btt: Free arena sub-allocations on discover_arenas() error path","x_generator":{"engine":"bippy-1.2.0"}}},"cveMetadata":{"assignerOrgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","assignerShortName":"Linux","cveId":"CVE-2026-72223","datePublished":"2026-08-15T05:54:16.019Z","dateReserved":"2026-08-09T03:40:39.913Z","dateUpdated":"2026-08-15T05:54:16.019Z","state":"PUBLISHED"},"dataType":"CVE_RECORD","dataVersion":"5.2"},"nvd":{"publishedDate":"2026-08-15 06:21:41","lastModifiedDate":"2026-08-15 06:21:41","problem_types":[],"metrics":[],"configurations":[]},"legacy_mitre":{"record":{"CveYear":"2026","CveId":"72223","Ordinal":"1","Title":"nvdimm/btt: Free arena sub-allocations on discover_arenas() erro","CVE":"CVE-2026-72223","Year":"2026"},"notes":[{"CveYear":"2026","CveId":"72223","Ordinal":"1","NoteData":"In the Linux kernel, the following vulnerability has been resolved:\n\nnvdimm/btt: Free arena sub-allocations on discover_arenas() error path\n\nMemory allocated by btt_freelist_init(), btt_rtt_init(), and\nbtt_maplocks_init() is not freed on some discover_arenas() error\npaths. This leaks memory when arena discovery fails.\n\nAdd the missing kfree() calls to release the allocations before\nreturning an error.\n\n[ as: commit message and log edits ]","Type":"Description","Title":"nvdimm/btt: Free arena sub-allocations on discover_arenas() erro"}]}}}