{"api_version":"1","generated_at":"2026-08-31T23:49:27+00:00","cve":"CVE-2026-74642","urls":{"html":"https://cve.report/CVE-2026-74642","api":"https://cve.report/api/cve/CVE-2026-74642.json","docs":"https://cve.report/api","cve_org":"https://www.cve.org/CVERecord?id=CVE-2026-74642","nvd":"https://nvd.nist.gov/vuln/detail/CVE-2026-74642"},"summary":{"title":"ALSA: usb: Fix UAF at delayed release of MIDI2 EPs","description":"In the Linux kernel, the following vulnerability has been resolved:\n\nALSA: usb: Fix UAF at delayed release of MIDI2 EPs\n\nThe recent fix for UAF in ump_to_endpoint() caused another UAF because\nit tries to dereference the UMP endpoint object, but this might be\nexecuted at a delayed context where the endpoint has been already\nreleased.\n\nAdd private_free to clear the associated data for avoiding the further\ndereference for delayed releases.","state":"PUBLISHED","assigner":"Linux","published_at":"2026-08-22 16:16:37","updated_at":"2026-08-22 16:16:37"},"problem_types":[],"metrics":[],"references":[{"url":"https://git.kernel.org/stable/c/422d8a02de5ce6a29d616d55e5ead5dec69ac1d7","name":"https://git.kernel.org/stable/c/422d8a02de5ce6a29d616d55e5ead5dec69ac1d7","refsource":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","tags":[],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://git.kernel.org/stable/c/d431941825d357be7d9ab0cb7505e3a1963bd89e","name":"https://git.kernel.org/stable/c/d431941825d357be7d9ab0cb7505e3a1963bd89e","refsource":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","tags":[],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://git.kernel.org/stable/c/f9d492a39ebeb1a56f13ec6dd165a18a48dec812","name":"https://git.kernel.org/stable/c/f9d492a39ebeb1a56f13ec6dd165a18a48dec812","refsource":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","tags":[],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://git.kernel.org/stable/c/d217d723c5e43881b952cdb978477f7f2dc0b6d7","name":"https://git.kernel.org/stable/c/d217d723c5e43881b952cdb978477f7f2dc0b6d7","refsource":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","tags":[],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://git.kernel.org/stable/c/f8a80cfb68613fb7e6452b66447dbc63f435d140","name":"https://git.kernel.org/stable/c/f8a80cfb68613fb7e6452b66447dbc63f435d140","refsource":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","tags":[],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://www.cve.org/CVERecord?id=CVE-2026-74642","name":"CVE Program record","refsource":"CVE.ORG","tags":["canonical"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2026-74642","name":"NVD vulnerability detail","refsource":"NVD","tags":["canonical","analysis"]}],"affected":[{"source":"CNA","vendor":"Linux","product":"Linux","version":"affected 49eccef6d6e1c00dac6fb2e7eb6f9206c33e1c37 d431941825d357be7d9ab0cb7505e3a1963bd89e git","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"affected 8a7a33b846d6ba695891b8d0040027cdbad8cd52 422d8a02de5ce6a29d616d55e5ead5dec69ac1d7 git","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"affected cc014ebf803174f0e5d15956dfc5a38413c945ae d217d723c5e43881b952cdb978477f7f2dc0b6d7 git","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"affected ae388c0e1bf727972096f770f82d12e4f748d1b6 f9d492a39ebeb1a56f13ec6dd165a18a48dec812 git","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"affected 4a05b2d1b4642df74f30b6f54843e825c4a2bfd3 f8a80cfb68613fb7e6452b66447dbc63f435d140 git","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"affected 6.6.151 6.6.152 semver","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"affected 6.12.103 6.12.104 semver","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"affected 6.18.44 6.18.45 semver","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"affected 7.1.8 7.1.9 semver","platforms":[]}],"timeline":[],"solutions":[],"workarounds":[],"exploits":[],"credits":[],"nvd_cpes":[],"vendor_comments":[],"enrichments":{"kev":null,"epss":{"cve_year":"2026","cve_id":"74642","cve":"CVE-2026-74642","epss":"0.001680000","percentile":"0.061990000","score_date":"2026-08-24","updated_at":"2026-08-25 00:11:33"},"legacy_qids":[]},"source_records":{"cve_program":{"containers":{"cna":{"affected":[{"defaultStatus":"unaffected","product":"Linux","programFiles":["sound/usb/midi2.c"],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","vendor":"Linux","versions":[{"lessThan":"d431941825d357be7d9ab0cb7505e3a1963bd89e","status":"affected","version":"49eccef6d6e1c00dac6fb2e7eb6f9206c33e1c37","versionType":"git"},{"lessThan":"422d8a02de5ce6a29d616d55e5ead5dec69ac1d7","status":"affected","version":"8a7a33b846d6ba695891b8d0040027cdbad8cd52","versionType":"git"},{"lessThan":"d217d723c5e43881b952cdb978477f7f2dc0b6d7","status":"affected","version":"cc014ebf803174f0e5d15956dfc5a38413c945ae","versionType":"git"},{"lessThan":"f9d492a39ebeb1a56f13ec6dd165a18a48dec812","status":"affected","version":"ae388c0e1bf727972096f770f82d12e4f748d1b6","versionType":"git"},{"lessThan":"f8a80cfb68613fb7e6452b66447dbc63f435d140","status":"affected","version":"4a05b2d1b4642df74f30b6f54843e825c4a2bfd3","versionType":"git"}]},{"defaultStatus":"unaffected","product":"Linux","programFiles":["sound/usb/midi2.c"],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","vendor":"Linux","versions":[{"lessThan":"6.6.152","status":"affected","version":"6.6.151","versionType":"semver"},{"lessThan":"6.12.104","status":"affected","version":"6.12.103","versionType":"semver"},{"lessThan":"6.18.45","status":"affected","version":"6.18.44","versionType":"semver"},{"lessThan":"7.1.9","status":"affected","version":"7.1.8","versionType":"semver"}]}],"cpeApplicability":[{"nodes":[{"cpeMatch":[{"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionEndExcluding":"6.6.152","versionStartIncluding":"6.6.151","vulnerable":true},{"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionEndExcluding":"6.12.104","versionStartIncluding":"6.12.103","vulnerable":true},{"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionEndExcluding":"6.18.45","versionStartIncluding":"6.18.44","vulnerable":true},{"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionEndExcluding":"7.1.9","versionStartIncluding":"7.1.8","vulnerable":true}],"negate":false,"operator":"OR"}]}],"descriptions":[{"lang":"en","value":"In the Linux kernel, the following vulnerability has been resolved:\n\nALSA: usb: Fix UAF at delayed release of MIDI2 EPs\n\nThe recent fix for UAF in ump_to_endpoint() caused another UAF because\nit tries to dereference the UMP endpoint object, but this might be\nexecuted at a delayed context where the endpoint has been already\nreleased.\n\nAdd private_free to clear the associated data for avoiding the further\ndereference for delayed releases."}],"providerMetadata":{"dateUpdated":"2026-08-22T15:32:20.418Z","orgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","shortName":"Linux"},"references":[{"url":"https://git.kernel.org/stable/c/d431941825d357be7d9ab0cb7505e3a1963bd89e"},{"url":"https://git.kernel.org/stable/c/422d8a02de5ce6a29d616d55e5ead5dec69ac1d7"},{"url":"https://git.kernel.org/stable/c/d217d723c5e43881b952cdb978477f7f2dc0b6d7"},{"url":"https://git.kernel.org/stable/c/f9d492a39ebeb1a56f13ec6dd165a18a48dec812"},{"url":"https://git.kernel.org/stable/c/f8a80cfb68613fb7e6452b66447dbc63f435d140"}],"title":"ALSA: usb: Fix UAF at delayed release of MIDI2 EPs","x_generator":{"engine":"bippy-1.2.0"}}},"cveMetadata":{"assignerOrgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","assignerShortName":"Linux","cveId":"CVE-2026-74642","datePublished":"2026-08-22T15:32:20.418Z","dateReserved":"2026-08-15T05:44:03.922Z","dateUpdated":"2026-08-22T15:32:20.418Z","state":"PUBLISHED"},"dataType":"CVE_RECORD","dataVersion":"5.2"},"nvd":{"publishedDate":"2026-08-22 16:16:37","lastModifiedDate":"2026-08-22 16:16:37","problem_types":[],"metrics":[],"configurations":[]},"legacy_mitre":{"record":{"CveYear":"2026","CveId":"74642","Ordinal":"1","Title":"ALSA: usb: Fix UAF at delayed release of MIDI2 EPs","CVE":"CVE-2026-74642","Year":"2026"},"notes":[{"CveYear":"2026","CveId":"74642","Ordinal":"1","NoteData":"In the Linux kernel, the following vulnerability has been resolved:\n\nALSA: usb: Fix UAF at delayed release of MIDI2 EPs\n\nThe recent fix for UAF in ump_to_endpoint() caused another UAF because\nit tries to dereference the UMP endpoint object, but this might be\nexecuted at a delayed context where the endpoint has been already\nreleased.\n\nAdd private_free to clear the associated data for avoiding the further\ndereference for delayed releases.","Type":"Description","Title":"ALSA: usb: Fix UAF at delayed release of MIDI2 EPs"}]}}}