{"api_version":"1","generated_at":"2026-05-13T18:09:04+00:00","cve":"CVE-2026-43435","urls":{"html":"https://cve.report/CVE-2026-43435","api":"https://cve.report/api/cve/CVE-2026-43435.json","docs":"https://cve.report/api","cve_org":"https://www.cve.org/CVERecord?id=CVE-2026-43435","nvd":"https://nvd.nist.gov/vuln/detail/CVE-2026-43435"},"summary":{"title":"rust_binder: fix oneway spam detection","description":"In the Linux kernel, the following vulnerability has been resolved:\n\nrust_binder: fix oneway spam detection\n\nThe spam detection logic in TreeRange was executed before the current\nrequest was inserted into the tree. So the new request was not being\nfactored in the spam calculation. Fix this by moving the logic after\nthe new range has been inserted.\n\nAlso, the detection logic for ArrayRange was missing altogether which\nmeant large spamming transactions could get away without being detected.\nFix this by implementing an equivalent low_oneway_space() in ArrayRange.\n\nNote that I looked into centralizing this logic in RangeAllocator but\niterating through 'state' and 'size' got a bit too complicated (for me)\nand I abandoned this effort.","state":"PUBLISHED","assigner":"Linux","published_at":"2026-05-08 15:16:55","updated_at":"2026-05-12 14:10:27"},"problem_types":[],"metrics":[],"references":[{"url":"https://git.kernel.org/stable/c/4fc87c240b8f30e22b7ebaae29d57105589e1c0b","name":"https://git.kernel.org/stable/c/4fc87c240b8f30e22b7ebaae29d57105589e1c0b","refsource":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","tags":[],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://git.kernel.org/stable/c/8d34c993a9a156e657e43cb95186980745cc3597","name":"https://git.kernel.org/stable/c/8d34c993a9a156e657e43cb95186980745cc3597","refsource":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","tags":[],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://git.kernel.org/stable/c/edf685946c4acbe57cb96f8d5f3c07e9a2e973c8","name":"https://git.kernel.org/stable/c/edf685946c4acbe57cb96f8d5f3c07e9a2e973c8","refsource":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","tags":[],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://www.cve.org/CVERecord?id=CVE-2026-43435","name":"CVE Program record","refsource":"CVE.ORG","tags":["canonical"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2026-43435","name":"NVD vulnerability detail","refsource":"NVD","tags":["canonical","analysis"]}],"affected":[{"source":"CNA","vendor":"Linux","product":"Linux","version":"affected eafedbc7c050c44744fbdf80bdf3315e860b7513 edf685946c4acbe57cb96f8d5f3c07e9a2e973c8 git","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"affected eafedbc7c050c44744fbdf80bdf3315e860b7513 8d34c993a9a156e657e43cb95186980745cc3597 git","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"affected eafedbc7c050c44744fbdf80bdf3315e860b7513 4fc87c240b8f30e22b7ebaae29d57105589e1c0b git","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"affected 6.18","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"unaffected 6.18 semver","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"unaffected 6.18.19 6.18.* semver","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"unaffected 6.19.9 6.19.* semver","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"unaffected 7.0 * original_commit_for_fix","platforms":[]}],"timeline":[],"solutions":[],"workarounds":[],"exploits":[],"credits":[],"nvd_cpes":[],"vendor_comments":[],"enrichments":{"kev":null,"epss":{"cve_year":"2026","cve_id":"43435","cve":"CVE-2026-43435","epss":"0.000170000","percentile":"0.041320000","score_date":"2026-05-12","updated_at":"2026-05-13 00:11:53"},"legacy_qids":[]},"source_records":{"cve_program":{"containers":{"cna":{"affected":[{"defaultStatus":"unaffected","product":"Linux","programFiles":["drivers/android/binder/range_alloc/array.rs","drivers/android/binder/range_alloc/mod.rs","drivers/android/binder/range_alloc/tree.rs"],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","vendor":"Linux","versions":[{"lessThan":"edf685946c4acbe57cb96f8d5f3c07e9a2e973c8","status":"affected","version":"eafedbc7c050c44744fbdf80bdf3315e860b7513","versionType":"git"},{"lessThan":"8d34c993a9a156e657e43cb95186980745cc3597","status":"affected","version":"eafedbc7c050c44744fbdf80bdf3315e860b7513","versionType":"git"},{"lessThan":"4fc87c240b8f30e22b7ebaae29d57105589e1c0b","status":"affected","version":"eafedbc7c050c44744fbdf80bdf3315e860b7513","versionType":"git"}]},{"defaultStatus":"affected","product":"Linux","programFiles":["drivers/android/binder/range_alloc/array.rs","drivers/android/binder/range_alloc/mod.rs","drivers/android/binder/range_alloc/tree.rs"],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","vendor":"Linux","versions":[{"status":"affected","version":"6.18"},{"lessThan":"6.18","status":"unaffected","version":"0","versionType":"semver"},{"lessThanOrEqual":"6.18.*","status":"unaffected","version":"6.18.19","versionType":"semver"},{"lessThanOrEqual":"6.19.*","status":"unaffected","version":"6.19.9","versionType":"semver"},{"lessThanOrEqual":"*","status":"unaffected","version":"7.0","versionType":"original_commit_for_fix"}]}],"cpeApplicability":[{"nodes":[{"cpeMatch":[{"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionEndExcluding":"6.18.19","versionStartIncluding":"6.18","vulnerable":true},{"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionEndExcluding":"6.19.9","versionStartIncluding":"6.18","vulnerable":true},{"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionEndExcluding":"7.0","versionStartIncluding":"6.18","vulnerable":true}],"negate":false,"operator":"OR"}]}],"descriptions":[{"lang":"en","value":"In the Linux kernel, the following vulnerability has been resolved:\n\nrust_binder: fix oneway spam detection\n\nThe spam detection logic in TreeRange was executed before the current\nrequest was inserted into the tree. So the new request was not being\nfactored in the spam calculation. Fix this by moving the logic after\nthe new range has been inserted.\n\nAlso, the detection logic for ArrayRange was missing altogether which\nmeant large spamming transactions could get away without being detected.\nFix this by implementing an equivalent low_oneway_space() in ArrayRange.\n\nNote that I looked into centralizing this logic in RangeAllocator but\niterating through 'state' and 'size' got a bit too complicated (for me)\nand I abandoned this effort."}],"providerMetadata":{"dateUpdated":"2026-05-11T22:24:32.185Z","orgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","shortName":"Linux"},"references":[{"url":"https://git.kernel.org/stable/c/edf685946c4acbe57cb96f8d5f3c07e9a2e973c8"},{"url":"https://git.kernel.org/stable/c/8d34c993a9a156e657e43cb95186980745cc3597"},{"url":"https://git.kernel.org/stable/c/4fc87c240b8f30e22b7ebaae29d57105589e1c0b"}],"title":"rust_binder: fix oneway spam detection","x_generator":{"engine":"bippy-1.2.0"}}},"cveMetadata":{"assignerOrgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","assignerShortName":"Linux","cveId":"CVE-2026-43435","datePublished":"2026-05-08T14:22:05.921Z","dateReserved":"2026-05-01T14:12:56.009Z","dateUpdated":"2026-05-11T22:24:32.185Z","state":"PUBLISHED"},"dataType":"CVE_RECORD","dataVersion":"5.2"},"nvd":{"publishedDate":"2026-05-08 15:16:55","lastModifiedDate":"2026-05-12 14:10:27","problem_types":[],"metrics":[],"configurations":[]},"legacy_mitre":{"record":{"CveYear":"2026","CveId":"43435","Ordinal":"1","Title":"rust_binder: fix oneway spam detection","CVE":"CVE-2026-43435","Year":"2026"},"notes":[{"CveYear":"2026","CveId":"43435","Ordinal":"1","NoteData":"In the Linux kernel, the following vulnerability has been resolved:\n\nrust_binder: fix oneway spam detection\n\nThe spam detection logic in TreeRange was executed before the current\nrequest was inserted into the tree. So the new request was not being\nfactored in the spam calculation. Fix this by moving the logic after\nthe new range has been inserted.\n\nAlso, the detection logic for ArrayRange was missing altogether which\nmeant large spamming transactions could get away without being detected.\nFix this by implementing an equivalent low_oneway_space() in ArrayRange.\n\nNote that I looked into centralizing this logic in RangeAllocator but\niterating through 'state' and 'size' got a bit too complicated (for me)\nand I abandoned this effort.","Type":"Description","Title":"rust_binder: fix oneway spam detection"}]}}}