{"api_version":"1","generated_at":"2026-08-01T23:32:45+00:00","cve":"CVE-2026-64485","urls":{"html":"https://cve.report/CVE-2026-64485","api":"https://cve.report/api/cve/CVE-2026-64485.json","docs":"https://cve.report/api","cve_org":"https://www.cve.org/CVERecord?id=CVE-2026-64485","nvd":"https://nvd.nist.gov/vuln/detail/CVE-2026-64485"},"summary":{"title":"ALSA: compress: Fix task creation error unwind","description":"In the Linux kernel, the following vulnerability has been resolved:\n\nALSA: compress: Fix task creation error unwind\n\nsnd_compr_task_new() allocates the driver task before validating the\nreturned DMA buffers and reserving file descriptors. When either of\nthose later steps fails, the core frees its task wrapper and DMA-buffer\nreferences without calling the driver's task_free() callback. Any\ndriver resources allocated by task_create() are therefore leaked.\n\nThe dual-fd allocation path also jumps to cleanup without storing the\nnegative get_unused_fd_flags() result in retval. Since retval still\ncontains the successful task_create() return value, TASK_CREATE can\nincorrectly report success although the task was discarded.\n\nPreserve the fd allocation errors and call task_free() when failure\noccurs after a successful task_create() callback.","state":"PUBLISHED","assigner":"Linux","published_at":"2026-07-25 10:17:34","updated_at":"2026-07-27 05:16:54"},"problem_types":[],"metrics":[{"version":"3.1","source":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","type":"Secondary","score":"7.8","severity":"HIGH","vector":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H","data":{"version":"3.1","vectorString":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H","baseScore":7.8,"baseSeverity":"HIGH","attackVector":"LOCAL","attackComplexity":"LOW","privilegesRequired":"LOW","userInteraction":"NONE","scope":"UNCHANGED","confidentialityImpact":"HIGH","integrityImpact":"HIGH","availabilityImpact":"HIGH"}},{"version":"3.1","source":"CNA","type":"DECLARED","score":"7.8","severity":"HIGH","vector":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H","data":{"baseScore":7.8,"baseSeverity":"HIGH","vectorString":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H","version":"3.1"}}],"references":[{"url":"https://git.kernel.org/stable/c/b27a75d42044d9d4709095617730b91b1c4af423","name":"https://git.kernel.org/stable/c/b27a75d42044d9d4709095617730b91b1c4af423","refsource":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","tags":[],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://git.kernel.org/stable/c/4a60127debb9e370d6c0e22a307326b624a141f3","name":"https://git.kernel.org/stable/c/4a60127debb9e370d6c0e22a307326b624a141f3","refsource":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","tags":[],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://git.kernel.org/stable/c/426a9947a38d272d0e19c031658da68e31128667","name":"https://git.kernel.org/stable/c/426a9947a38d272d0e19c031658da68e31128667","refsource":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","tags":[],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://www.cve.org/CVERecord?id=CVE-2026-64485","name":"CVE Program record","refsource":"CVE.ORG","tags":["canonical"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2026-64485","name":"NVD vulnerability detail","refsource":"NVD","tags":["canonical","analysis"]}],"affected":[{"source":"CNA","vendor":"Linux","product":"Linux","version":"affected 04177158cf98a79744937893b100020d77e6f9ac b27a75d42044d9d4709095617730b91b1c4af423 git","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"affected 04177158cf98a79744937893b100020d77e6f9ac 426a9947a38d272d0e19c031658da68e31128667 git","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"affected 04177158cf98a79744937893b100020d77e6f9ac 4a60127debb9e370d6c0e22a307326b624a141f3 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 6.18.39 6.18.* 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":"64485","cve":"CVE-2026-64485","epss":"0.001370000","percentile":"0.035530000","score_date":"2026-07-29","updated_at":"2026-07-30 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the Linux kernel, the following vulnerability has been resolved:\n\nALSA: compress: Fix task creation error unwind\n\nsnd_compr_task_new() allocates the driver task before validating the\nreturned DMA buffers and reserving file descriptors. When either of\nthose later steps fails, the core frees its task wrapper and DMA-buffer\nreferences without calling the driver's task_free() callback. Any\ndriver resources allocated by task_create() are therefore leaked.\n\nThe dual-fd allocation path also jumps to cleanup without storing the\nnegative get_unused_fd_flags() result in retval. Since retval still\ncontains the successful task_create() return value, TASK_CREATE can\nincorrectly report success although the task was discarded.\n\nPreserve the fd allocation errors and call task_free() when failure\noccurs after a successful task_create() callback."}],"metrics":[{"cvssV3_1":{"baseScore":7.8,"baseSeverity":"HIGH","vectorString":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H","version":"3.1"}}],"providerMetadata":{"dateUpdated":"2026-07-27T05:01:27.427Z","orgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","shortName":"Linux"},"references":[{"url":"https://git.kernel.org/stable/c/b27a75d42044d9d4709095617730b91b1c4af423"},{"url":"https://git.kernel.org/stable/c/426a9947a38d272d0e19c031658da68e31128667"},{"url":"https://git.kernel.org/stable/c/4a60127debb9e370d6c0e22a307326b624a141f3"}],"title":"ALSA: compress: Fix task creation error unwind","x_generator":{"engine":"bippy-1.2.0"}}},"cveMetadata":{"assignerOrgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","assignerShortName":"Linux","cveId":"CVE-2026-64485","datePublished":"2026-07-25T08:51:45.301Z","dateReserved":"2026-07-19T15:36:31.791Z","dateUpdated":"2026-07-27T05:01:27.427Z","state":"PUBLISHED"},"dataType":"CVE_RECORD","dataVersion":"5.2"},"nvd":{"publishedDate":"2026-07-25 10:17:34","lastModifiedDate":"2026-07-27 05:16:54","problem_types":[],"metrics":{"cvssMetricV31":[{"source":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","type":"Secondary","cvssData":{"version":"3.1","vectorString":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H","baseScore":7.8,"baseSeverity":"HIGH","attackVector":"LOCAL","attackComplexity":"LOW","privilegesRequired":"LOW","userInteraction":"NONE","scope":"UNCHANGED","confidentialityImpact":"HIGH","integrityImpact":"HIGH","availabilityImpact":"HIGH"},"exploitabilityScore":1.8,"impactScore":5.9}]},"configurations":[]},"legacy_mitre":{"record":{"CveYear":"2026","CveId":"64485","Ordinal":"1","Title":"ALSA: compress: Fix task creation error unwind","CVE":"CVE-2026-64485","Year":"2026"},"notes":[{"CveYear":"2026","CveId":"64485","Ordinal":"1","NoteData":"In the Linux kernel, the following vulnerability has been resolved:\n\nALSA: compress: Fix task creation error unwind\n\nsnd_compr_task_new() allocates the driver task before validating the\nreturned DMA buffers and reserving file descriptors. When either of\nthose later steps fails, the core frees its task wrapper and DMA-buffer\nreferences without calling the driver's task_free() callback. Any\ndriver resources allocated by task_create() are therefore leaked.\n\nThe dual-fd allocation path also jumps to cleanup without storing the\nnegative get_unused_fd_flags() result in retval. Since retval still\ncontains the successful task_create() return value, TASK_CREATE can\nincorrectly report success although the task was discarded.\n\nPreserve the fd allocation errors and call task_free() when failure\noccurs after a successful task_create() callback.","Type":"Description","Title":"ALSA: compress: Fix task creation error unwind"}]}}}