{"api_version":"1","generated_at":"2026-07-20T14:43:03+00:00","cve":"CVE-2026-64145","urls":{"html":"https://cve.report/CVE-2026-64145","api":"https://cve.report/api/cve/CVE-2026-64145.json","docs":"https://cve.report/api","cve_org":"https://www.cve.org/CVERecord?id=CVE-2026-64145","nvd":"https://nvd.nist.gov/vuln/detail/CVE-2026-64145"},"summary":{"title":"wifi: wilc1000: fix dma_buffer leak on bus acquire failure","description":"In the Linux kernel, the following vulnerability has been resolved:\n\nwifi: wilc1000: fix dma_buffer leak on bus acquire failure\n\nwilc_wlan_firmware_download() allocates dma_buffer with kmalloc() at\nthe top of the function and uses a 'fail:' label to free it via\nkfree(dma_buffer) on error.\n\nAll later error paths correctly use 'goto fail' to route through this\ncleanup. However, the early failure path after the first acquire_bus()\ncall uses a bare 'return ret;', which leaks dma_buffer whenever the bus\nacquire fails.\n\nReplace the early return with goto fail so the existing cleanup path\nruns.\n\nFound via a custom Coccinelle semantic patch hunting for kmalloc'd\nlocals leaked on early-return error paths in driver firmware-download\ncode.","state":"PUBLISHED","assigner":"Linux","published_at":"2026-07-19 16:17:56","updated_at":"2026-07-19 16:17:56"},"problem_types":[],"metrics":[],"references":[{"url":"https://git.kernel.org/stable/c/dd7b6a8671939708cc4b7a46786d8c11297e8f69","name":"https://git.kernel.org/stable/c/dd7b6a8671939708cc4b7a46786d8c11297e8f69","refsource":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","tags":[],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://git.kernel.org/stable/c/32d7584441b9ecb279a03653b432612546e5efbe","name":"https://git.kernel.org/stable/c/32d7584441b9ecb279a03653b432612546e5efbe","refsource":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","tags":[],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://git.kernel.org/stable/c/95c82d498d74c4e587db30021ca1aec90e29b5a5","name":"https://git.kernel.org/stable/c/95c82d498d74c4e587db30021ca1aec90e29b5a5","refsource":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","tags":[],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://www.cve.org/CVERecord?id=CVE-2026-64145","name":"CVE Program record","refsource":"CVE.ORG","tags":["canonical"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2026-64145","name":"NVD vulnerability detail","refsource":"NVD","tags":["canonical","analysis"]}],"affected":[{"source":"CNA","vendor":"Linux","product":"Linux","version":"affected 1241c5650ff7a0236cebb89acca8aade48839fd6 95c82d498d74c4e587db30021ca1aec90e29b5a5 git","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"affected 1241c5650ff7a0236cebb89acca8aade48839fd6 32d7584441b9ecb279a03653b432612546e5efbe git","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"affected 1241c5650ff7a0236cebb89acca8aade48839fd6 dd7b6a8671939708cc4b7a46786d8c11297e8f69 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":null,"legacy_qids":[]},"source_records":{"cve_program":{"containers":{"cna":{"affected":[{"defaultStatus":"unaffected","product":"Linux","programFiles":["drivers/net/wireless/microchip/wilc1000/wlan.c"],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","vendor":"Linux","versions":[{"lessThan":"95c82d498d74c4e587db30021ca1aec90e29b5a5","status":"affected","version":"1241c5650ff7a0236cebb89acca8aade48839fd6","versionType":"git"},{"lessThan":"32d7584441b9ecb279a03653b432612546e5efbe","status":"affected","version":"1241c5650ff7a0236cebb89acca8aade48839fd6","versionType":"git"},{"lessThan":"dd7b6a8671939708cc4b7a46786d8c11297e8f69","status":"affected","version":"1241c5650ff7a0236cebb89acca8aade48839fd6","versionType":"git"}]},{"defaultStatus":"affected","product":"Linux","programFiles":["drivers/net/wireless/microchip/wilc1000/wlan.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\nwifi: wilc1000: fix dma_buffer leak on bus acquire failure\n\nwilc_wlan_firmware_download() allocates dma_buffer with kmalloc() at\nthe top of the function and uses a 'fail:' label to free it via\nkfree(dma_buffer) on error.\n\nAll later error paths correctly use 'goto fail' to route through this\ncleanup. However, the early failure path after the first acquire_bus()\ncall uses a bare 'return ret;', which leaks dma_buffer whenever the bus\nacquire fails.\n\nReplace the early return with goto fail so the existing cleanup path\nruns.\n\nFound via a custom Coccinelle semantic patch hunting for kmalloc'd\nlocals leaked on early-return error paths in driver firmware-download\ncode."}],"providerMetadata":{"dateUpdated":"2026-07-19T15:40:36.767Z","orgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","shortName":"Linux"},"references":[{"url":"https://git.kernel.org/stable/c/95c82d498d74c4e587db30021ca1aec90e29b5a5"},{"url":"https://git.kernel.org/stable/c/32d7584441b9ecb279a03653b432612546e5efbe"},{"url":"https://git.kernel.org/stable/c/dd7b6a8671939708cc4b7a46786d8c11297e8f69"}],"title":"wifi: wilc1000: fix dma_buffer leak on bus acquire failure","x_generator":{"engine":"bippy-1.2.0"}}},"cveMetadata":{"assignerOrgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","assignerShortName":"Linux","cveId":"CVE-2026-64145","datePublished":"2026-07-19T15:40:36.767Z","dateReserved":"2026-07-19T07:54:57.037Z","dateUpdated":"2026-07-19T15:40:36.767Z","state":"PUBLISHED"},"dataType":"CVE_RECORD","dataVersion":"5.2"},"nvd":{"publishedDate":"2026-07-19 16:17:56","lastModifiedDate":"2026-07-19 16:17:56","problem_types":[],"metrics":[],"configurations":[]},"legacy_mitre":{"record":{"CveYear":"2026","CveId":"64145","Ordinal":"1","Title":"wifi: wilc1000: fix dma_buffer leak on bus acquire failure","CVE":"CVE-2026-64145","Year":"2026"},"notes":[{"CveYear":"2026","CveId":"64145","Ordinal":"1","NoteData":"In the Linux kernel, the following vulnerability has been resolved:\n\nwifi: wilc1000: fix dma_buffer leak on bus acquire failure\n\nwilc_wlan_firmware_download() allocates dma_buffer with kmalloc() at\nthe top of the function and uses a 'fail:' label to free it via\nkfree(dma_buffer) on error.\n\nAll later error paths correctly use 'goto fail' to route through this\ncleanup. However, the early failure path after the first acquire_bus()\ncall uses a bare 'return ret;', which leaks dma_buffer whenever the bus\nacquire fails.\n\nReplace the early return with goto fail so the existing cleanup path\nruns.\n\nFound via a custom Coccinelle semantic patch hunting for kmalloc'd\nlocals leaked on early-return error paths in driver firmware-download\ncode.","Type":"Description","Title":"wifi: wilc1000: fix dma_buffer leak on bus acquire failure"}]}}}