{"api_version":"1","generated_at":"2026-08-01T23:32:45+00:00","cve":"CVE-2026-64498","urls":{"html":"https://cve.report/CVE-2026-64498","api":"https://cve.report/api/cve/CVE-2026-64498.json","docs":"https://cve.report/api","cve_org":"https://www.cve.org/CVERecord?id=CVE-2026-64498","nvd":"https://nvd.nist.gov/vuln/detail/CVE-2026-64498"},"summary":{"title":"iio: buffer: hw-consumer: free scan_mask on buffer release","description":"In the Linux kernel, the following vulnerability has been resolved:\n\niio: buffer: hw-consumer: free scan_mask on buffer release\n\nThe scan_mask lifetime changed in commit 9a2e1233d38c (\"iio: buffer:\nhw-consumer: remove redundant scan_mask flexible array\").\n\nBefore that change, the scan mask storage was embedded in struct\nhw_consumer_buffer, so iio_hw_buf_release() could free the whole\nallocation with a single kfree(hw_buf).\n\nThat commit moved the scan mask to a separate bitmap_zalloc() allocation\nstored in buffer.scan_mask, but left iio_hw_buf_release() unchanged.\n\nFree the scan mask in iio_hw_buf_release() before freeing the buffer\nwrapper.","state":"PUBLISHED","assigner":"Linux","published_at":"2026-07-25 10:17:35","updated_at":"2026-07-25 10:17:35"},"problem_types":[],"metrics":[],"references":[{"url":"https://git.kernel.org/stable/c/6325d6e2204327965b849c0a16efb6ac9202e5a8","name":"https://git.kernel.org/stable/c/6325d6e2204327965b849c0a16efb6ac9202e5a8","refsource":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","tags":[],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://git.kernel.org/stable/c/fb8e18f8ca724bd4de4643cad5b7c7230b9a5a71","name":"https://git.kernel.org/stable/c/fb8e18f8ca724bd4de4643cad5b7c7230b9a5a71","refsource":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","tags":[],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://www.cve.org/CVERecord?id=CVE-2026-64498","name":"CVE Program record","refsource":"CVE.ORG","tags":["canonical"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2026-64498","name":"NVD vulnerability detail","refsource":"NVD","tags":["canonical","analysis"]}],"affected":[{"source":"CNA","vendor":"Linux","product":"Linux","version":"affected 9a2e1233d38c460ad07f36901931f3674a32d1ed fb8e18f8ca724bd4de4643cad5b7c7230b9a5a71 git","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"affected 9a2e1233d38c460ad07f36901931f3674a32d1ed 6325d6e2204327965b849c0a16efb6ac9202e5a8 git","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"affected 7.1","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"unaffected 7.1 semver","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"unaffected 7.1.4 7.1.* semver","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"unaffected 7.2-rc1 * original_commit_for_fix","platforms":[]}],"timeline":[],"solutions":[],"workarounds":[],"exploits":[],"credits":[],"nvd_cpes":[],"vendor_comments":[],"enrichments":{"kev":null,"epss":{"cve_year":"2026","cve_id":"64498","cve":"CVE-2026-64498","epss":"0.001550000","percentile":"0.051900000","score_date":"2026-07-28","updated_at":"2026-07-29 00:05:33"},"legacy_qids":[]},"source_records":{"cve_program":{"containers":{"cna":{"affected":[{"defaultStatus":"unaffected","product":"Linux","programFiles":["drivers/iio/buffer/industrialio-hw-consumer.c"],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","vendor":"Linux","versions":[{"lessThan":"fb8e18f8ca724bd4de4643cad5b7c7230b9a5a71","status":"affected","version":"9a2e1233d38c460ad07f36901931f3674a32d1ed","versionType":"git"},{"lessThan":"6325d6e2204327965b849c0a16efb6ac9202e5a8","status":"affected","version":"9a2e1233d38c460ad07f36901931f3674a32d1ed","versionType":"git"}]},{"defaultStatus":"affected","product":"Linux","programFiles":["drivers/iio/buffer/industrialio-hw-consumer.c"],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","vendor":"Linux","versions":[{"status":"affected","version":"7.1"},{"lessThan":"7.1","status":"unaffected","version":"0","versionType":"semver"},{"lessThanOrEqual":"7.1.*","status":"unaffected","version":"7.1.4","versionType":"semver"},{"lessThanOrEqual":"*","status":"unaffected","version":"7.2-rc1","versionType":"original_commit_for_fix"}]}],"cpeApplicability":[{"nodes":[{"cpeMatch":[{"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionEndExcluding":"7.1.4","versionStartIncluding":"7.1","vulnerable":true},{"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionEndExcluding":"7.2-rc1","versionStartIncluding":"7.1","vulnerable":true}],"negate":false,"operator":"OR"}]}],"descriptions":[{"lang":"en","value":"In the Linux kernel, the following vulnerability has been resolved:\n\niio: buffer: hw-consumer: free scan_mask on buffer release\n\nThe scan_mask lifetime changed in commit 9a2e1233d38c (\"iio: buffer:\nhw-consumer: remove redundant scan_mask flexible array\").\n\nBefore that change, the scan mask storage was embedded in struct\nhw_consumer_buffer, so iio_hw_buf_release() could free the whole\nallocation with a single kfree(hw_buf).\n\nThat commit moved the scan mask to a separate bitmap_zalloc() allocation\nstored in buffer.scan_mask, but left iio_hw_buf_release() unchanged.\n\nFree the scan mask in iio_hw_buf_release() before freeing the buffer\nwrapper."}],"providerMetadata":{"dateUpdated":"2026-07-25T08:51:54.625Z","orgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","shortName":"Linux"},"references":[{"url":"https://git.kernel.org/stable/c/fb8e18f8ca724bd4de4643cad5b7c7230b9a5a71"},{"url":"https://git.kernel.org/stable/c/6325d6e2204327965b849c0a16efb6ac9202e5a8"}],"title":"iio: buffer: hw-consumer: free scan_mask on buffer release","x_generator":{"engine":"bippy-1.2.0"}}},"cveMetadata":{"assignerOrgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","assignerShortName":"Linux","cveId":"CVE-2026-64498","datePublished":"2026-07-25T08:51:54.625Z","dateReserved":"2026-07-19T15:36:31.792Z","dateUpdated":"2026-07-25T08:51:54.625Z","state":"PUBLISHED"},"dataType":"CVE_RECORD","dataVersion":"5.2"},"nvd":{"publishedDate":"2026-07-25 10:17:35","lastModifiedDate":"2026-07-25 10:17:35","problem_types":[],"metrics":[],"configurations":[]},"legacy_mitre":{"record":{"CveYear":"2026","CveId":"64498","Ordinal":"1","Title":"iio: buffer: hw-consumer: free scan_mask on buffer release","CVE":"CVE-2026-64498","Year":"2026"},"notes":[{"CveYear":"2026","CveId":"64498","Ordinal":"1","NoteData":"In the Linux kernel, the following vulnerability has been resolved:\n\niio: buffer: hw-consumer: free scan_mask on buffer release\n\nThe scan_mask lifetime changed in commit 9a2e1233d38c (\"iio: buffer:\nhw-consumer: remove redundant scan_mask flexible array\").\n\nBefore that change, the scan mask storage was embedded in struct\nhw_consumer_buffer, so iio_hw_buf_release() could free the whole\nallocation with a single kfree(hw_buf).\n\nThat commit moved the scan mask to a separate bitmap_zalloc() allocation\nstored in buffer.scan_mask, but left iio_hw_buf_release() unchanged.\n\nFree the scan mask in iio_hw_buf_release() before freeing the buffer\nwrapper.","Type":"Description","Title":"iio: buffer: hw-consumer: free scan_mask on buffer release"}]}}}