{"api_version":"1","generated_at":"2026-10-27T13:58:56+00:00","cve":"CVE-2025-71192","urls":{"html":"https://cve.report/CVE-2025-71192","api":"https://cve.report/api/cve/CVE-2025-71192.json","docs":"https://cve.report/api","cve_org":"https://www.cve.org/CVERecord?id=CVE-2025-71192","nvd":"https://nvd.nist.gov/vuln/detail/CVE-2025-71192"},"summary":{"title":"ALSA: ac97: fix a double free in snd_ac97_controller_register()","description":"In the Linux kernel, the following vulnerability has been resolved:\n\nALSA: ac97: fix a double free in snd_ac97_controller_register()\n\nIf ac97_add_adapter() fails, put_device() is the correct way to drop\nthe device reference. kfree() is not required.\nAdd kfree() if idr_alloc() fails and in ac97_adapter_release() to do\nthe cleanup.\n\nFound by code review.","state":"PUBLISHED","assigner":"Linux","published_at":"2026-02-04 16:16:18","updated_at":"2026-07-30 06:24:55"},"problem_types":[],"metrics":[{"version":"3.1","source":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","type":"Secondary","score":"7","severity":"HIGH","vector":"CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H","data":{"version":"3.1","vectorString":"CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H","baseScore":7,"baseSeverity":"HIGH","attackVector":"LOCAL","attackComplexity":"HIGH","privilegesRequired":"LOW","userInteraction":"NONE","scope":"UNCHANGED","confidentialityImpact":"HIGH","integrityImpact":"HIGH","availabilityImpact":"HIGH"}},{"version":"3.1","source":"CNA","type":"DECLARED","score":"7","severity":"HIGH","vector":"CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H","data":{"baseScore":7,"baseSeverity":"HIGH","vectorString":"CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H","version":"3.1"}}],"references":[{"url":"https://git.kernel.org/stable/c/c80f9b3349a99a9d5b295f5bbc23f544c5995ad7","name":"https://git.kernel.org/stable/c/c80f9b3349a99a9d5b295f5bbc23f544c5995ad7","refsource":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","tags":[],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://git.kernel.org/stable/c/fcc04c92cbb5497ce67c58dd2f0001bb87f40396","name":"https://git.kernel.org/stable/c/fcc04c92cbb5497ce67c58dd2f0001bb87f40396","refsource":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","tags":[],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://git.kernel.org/stable/c/cb73d37ac18bc1716690ff5255a0ef1952827e9e","name":"https://git.kernel.org/stable/c/cb73d37ac18bc1716690ff5255a0ef1952827e9e","refsource":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","tags":[],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://git.kernel.org/stable/c/21f8bc5179bed91c3f946adb5e55d717b891960c","name":"https://git.kernel.org/stable/c/21f8bc5179bed91c3f946adb5e55d717b891960c","refsource":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","tags":[],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://git.kernel.org/stable/c/830988b6cf197e6dcffdfe2008c5738e6c6c3c0f","name":"https://git.kernel.org/stable/c/830988b6cf197e6dcffdfe2008c5738e6c6c3c0f","refsource":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","tags":[],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://www.cve.org/CVERecord?id=CVE-2025-71192","name":"CVE Program record","refsource":"CVE.ORG","tags":["canonical"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2025-71192","name":"NVD vulnerability detail","refsource":"NVD","tags":["canonical","analysis"]}],"affected":[{"source":"CNA","vendor":"Linux","product":"Linux","version":"affected 74426fbff66eea8e8d1f42c8238c268d1e63a832 c80f9b3349a99a9d5b295f5bbc23f544c5995ad7 git","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"affected 74426fbff66eea8e8d1f42c8238c268d1e63a832 21f8bc5179bed91c3f946adb5e55d717b891960c git","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"affected 74426fbff66eea8e8d1f42c8238c268d1e63a832 fcc04c92cbb5497ce67c58dd2f0001bb87f40396 git","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"affected 74426fbff66eea8e8d1f42c8238c268d1e63a832 cb73d37ac18bc1716690ff5255a0ef1952827e9e git","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"affected 74426fbff66eea8e8d1f42c8238c268d1e63a832 830988b6cf197e6dcffdfe2008c5738e6c6c3c0f git","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"affected 4.15","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"unaffected 4.15 semver","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"unaffected 6.1.161 6.1.* semver","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"unaffected 6.6.121 6.6.* semver","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"unaffected 6.12.66 6.12.* semver","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"unaffected 6.18.6 6.18.* semver","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"unaffected 6.19 * original_commit_for_fix","platforms":[]}],"timeline":[],"solutions":[],"workarounds":[],"exploits":[],"credits":[],"nvd_cpes":[],"vendor_comments":[],"enrichments":{"kev":null,"epss":{"cve_year":"2025","cve_id":"71192","cve":"CVE-2025-71192","epss":"0.001130000","percentile":"0.016680000","score_date":"2026-08-01","updated_at":"2026-08-02 00:11:14"},"legacy_qids":[]},"source_records":{"cve_program":{"containers":{"cna":{"affected":[{"defaultStatus":"unaffected","product":"Linux","programFiles":["sound/ac97/bus.c"],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","vendor":"Linux","versions":[{"lessThan":"c80f9b3349a99a9d5b295f5bbc23f544c5995ad7","status":"affected","version":"74426fbff66eea8e8d1f42c8238c268d1e63a832","versionType":"git"},{"lessThan":"21f8bc5179bed91c3f946adb5e55d717b891960c","status":"affected","version":"74426fbff66eea8e8d1f42c8238c268d1e63a832","versionType":"git"},{"lessThan":"fcc04c92cbb5497ce67c58dd2f0001bb87f40396","status":"affected","version":"74426fbff66eea8e8d1f42c8238c268d1e63a832","versionType":"git"},{"lessThan":"cb73d37ac18bc1716690ff5255a0ef1952827e9e","status":"affected","version":"74426fbff66eea8e8d1f42c8238c268d1e63a832","versionType":"git"},{"lessThan":"830988b6cf197e6dcffdfe2008c5738e6c6c3c0f","status":"affected","version":"74426fbff66eea8e8d1f42c8238c268d1e63a832","versionType":"git"}]},{"defaultStatus":"affected","product":"Linux","programFiles":["sound/ac97/bus.c"],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","vendor":"Linux","versions":[{"status":"affected","version":"4.15"},{"lessThan":"4.15","status":"unaffected","version":"0","versionType":"semver"},{"lessThanOrEqual":"6.1.*","status":"unaffected","version":"6.1.161","versionType":"semver"},{"lessThanOrEqual":"6.6.*","status":"unaffected","version":"6.6.121","versionType":"semver"},{"lessThanOrEqual":"6.12.*","status":"unaffected","version":"6.12.66","versionType":"semver"},{"lessThanOrEqual":"6.18.*","status":"unaffected","version":"6.18.6","versionType":"semver"},{"lessThanOrEqual":"*","status":"unaffected","version":"6.19","versionType":"original_commit_for_fix"}]}],"cpeApplicability":[{"nodes":[{"cpeMatch":[{"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionEndExcluding":"6.1.161","versionStartIncluding":"4.15","vulnerable":true},{"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionEndExcluding":"6.6.121","versionStartIncluding":"4.15","vulnerable":true},{"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionEndExcluding":"6.12.66","versionStartIncluding":"4.15","vulnerable":true},{"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionEndExcluding":"6.18.6","versionStartIncluding":"4.15","vulnerable":true},{"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionEndExcluding":"6.19","versionStartIncluding":"4.15","vulnerable":true}],"negate":false,"operator":"OR"}]}],"descriptions":[{"lang":"en","value":"In the Linux kernel, the following vulnerability has been resolved:\n\nALSA: ac97: fix a double free in snd_ac97_controller_register()\n\nIf ac97_add_adapter() fails, put_device() is the correct way to drop\nthe device reference. kfree() is not required.\nAdd kfree() if idr_alloc() fails and in ac97_adapter_release() to do\nthe cleanup.\n\nFound by code review."}],"metrics":[{"cvssV3_1":{"baseScore":7,"baseSeverity":"HIGH","vectorString":"CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H","version":"3.1"}}],"providerMetadata":{"dateUpdated":"2026-07-30T06:05:54.931Z","orgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","shortName":"Linux"},"references":[{"url":"https://git.kernel.org/stable/c/c80f9b3349a99a9d5b295f5bbc23f544c5995ad7"},{"url":"https://git.kernel.org/stable/c/21f8bc5179bed91c3f946adb5e55d717b891960c"},{"url":"https://git.kernel.org/stable/c/fcc04c92cbb5497ce67c58dd2f0001bb87f40396"},{"url":"https://git.kernel.org/stable/c/cb73d37ac18bc1716690ff5255a0ef1952827e9e"},{"url":"https://git.kernel.org/stable/c/830988b6cf197e6dcffdfe2008c5738e6c6c3c0f"}],"title":"ALSA: ac97: fix a double free in snd_ac97_controller_register()","x_generator":{"engine":"bippy-1.2.0"}}},"cveMetadata":{"assignerOrgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","assignerShortName":"Linux","cveId":"CVE-2025-71192","datePublished":"2026-02-04T16:00:23.044Z","dateReserved":"2026-01-31T11:36:51.189Z","dateUpdated":"2026-07-30T06:05:54.931Z","state":"PUBLISHED"},"dataType":"CVE_RECORD","dataVersion":"5.2"},"nvd":{"publishedDate":"2026-02-04 16:16:18","lastModifiedDate":"2026-07-30 06:24:55","problem_types":[],"metrics":{"cvssMetricV31":[{"source":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","type":"Secondary","cvssData":{"version":"3.1","vectorString":"CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H","baseScore":7,"baseSeverity":"HIGH","attackVector":"LOCAL","attackComplexity":"HIGH","privilegesRequired":"LOW","userInteraction":"NONE","scope":"UNCHANGED","confidentialityImpact":"HIGH","integrityImpact":"HIGH","availabilityImpact":"HIGH"},"exploitabilityScore":1,"impactScore":5.9}]},"configurations":[]},"legacy_mitre":{"record":{"CveYear":"2025","CveId":"71192","Ordinal":"1","Title":"ALSA: ac97: fix a double free in snd_ac97_controller_register()","CVE":"CVE-2025-71192","Year":"2025"},"notes":[{"CveYear":"2025","CveId":"71192","Ordinal":"1","NoteData":"In the Linux kernel, the following vulnerability has been resolved:\n\nALSA: ac97: fix a double free in snd_ac97_controller_register()\n\nIf ac97_add_adapter() fails, put_device() is the correct way to drop\nthe device reference. kfree() is not required.\nAdd kfree() if idr_alloc() fails and in ac97_adapter_release() to do\nthe cleanup.\n\nFound by code review.","Type":"Description","Title":"ALSA: ac97: fix a double free in snd_ac97_controller_register()"}]}}}