{"dataType": "CVE_RECORD", "dataVersion": "5.2", "cveMetadata": {"cveId": "CVE-2026-72446", "assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "state": "PUBLISHED", "assignerShortName": "Linux", "dateReserved": "2026-08-09T03:40:39.930Z", "datePublished": "2026-08-15T05:56:56.470Z", "dateUpdated": "2026-08-15T05:56:56.470Z"}, "containers": {"cna": {"providerMetadata": {"orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "shortName": "Linux", "dateUpdated": "2026-08-15T05:56:56.470Z"}, "descriptions": [{"lang": "en", "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nALSA: usb-audio: qcom: reject stream disable with no active interface\n\nhandle_uaudio_stream_req() resolves an interface index with\ninfo_idx_from_ifnum(), which returns -EINVAL when no interface matches.\nThe enable branch and the response: cleanup label both guard against a\nnegative index, but the disable branch does not: it forms\ninfo = &uadev[pcm_card_num].info[info_idx] and dereferences it.\n\nuadev[].info is a pointer allocated only when a stream is first enabled,\nso a negative info_idx on the disable path is unsafe in two ways:\n\n - If the card was never enabled, .info is NULL and &info[-EINVAL] is a\n wild pointer; reading info->data_ep_pipe faults (kernel oops).\n\n - If the card was enabled at least once (.info allocated) and the\n disable names an interface that does not match, &info[-EINVAL] points\n before the allocation; info->data_ep_pipe / info->sync_ep_pipe are an\n out-of-bounds slab read and, when non-zero, an out-of-bounds 4-byte\n write (both pipe fields are cleared to 0). That is memory corruption,\n not just a NULL dereference.\n\nThe request is reachable from unprivileged local userspace over\nAF_QIPCRTR. Reject a disable request with no resolved interface, matching\nthe guard the enable path already has."}], "affected": [{"product": "Linux", "vendor": "Linux", "defaultStatus": "unaffected", "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "programFiles": ["sound/usb/qcom/qc_audio_offload.c"], "versions": [{"version": "326bbc348298ab0946c5560defe024a5f6ef28bb", "lessThan": "25a867aa5e67a84333fa6e5c21292c5bcff86b90", "status": "affected", "versionType": "git"}, {"version": "326bbc348298ab0946c5560defe024a5f6ef28bb", "lessThan": "a22356d1f731553e99aa2707dbd38c659bdd28d8", "status": "affected", "versionType": "git"}, {"version": "326bbc348298ab0946c5560defe024a5f6ef28bb", "lessThan": "bdb640be82e645e2828731648f485224d0c2587b", "status": "affected", "versionType": "git"}]}, {"product": "Linux", "vendor": "Linux", "defaultStatus": "affected", "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "programFiles": ["sound/usb/qcom/qc_audio_offload.c"], "versions": [{"version": "6.16", "status": "affected"}, {"version": "0", "lessThan": "6.16", "status": "unaffected", "versionType": "semver"}, {"version": "6.18.40", "lessThanOrEqual": "6.18.*", "status": "unaffected", "versionType": "semver"}, {"version": "7.1.5", "lessThanOrEqual": "7.1.*", "status": "unaffected", "versionType": "semver"}, {"version": "7.2-rc1", "lessThanOrEqual": "*", "status": "unaffected", "versionType": "original_commit_for_fix"}]}], "cpeApplicability": [{"nodes": [{"operator": "OR", "negate": false, "cpeMatch": [{"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "6.16", "versionEndExcluding": "6.18.40"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "6.16", "versionEndExcluding": "7.1.5"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "6.16", "versionEndExcluding": "7.2-rc1"}]}]}], "references": [{"url": "https://git.kernel.org/stable/c/25a867aa5e67a84333fa6e5c21292c5bcff86b90"}, {"url": "https://git.kernel.org/stable/c/a22356d1f731553e99aa2707dbd38c659bdd28d8"}, {"url": "https://git.kernel.org/stable/c/bdb640be82e645e2828731648f485224d0c2587b"}], "title": "ALSA: usb-audio: qcom: reject stream disable with no active interface", "x_generator": {"engine": "bippy-1.2.0"}}}}

{}

{"affected": [{"affectedData": [{"defaultStatus": "unaffected", "product": "Linux", "programFiles": ["sound/usb/qcom/qc_audio_offload.c"], "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "vendor": "Linux", "versions": [{"lessThan": "25a867aa5e67a84333fa6e5c21292c5bcff86b90", "status": "affected", "version": "326bbc348298ab0946c5560defe024a5f6ef28bb", "versionType": "git"}, {"lessThan": "a22356d1f731553e99aa2707dbd38c659bdd28d8", "status": "affected", "version": "326bbc348298ab0946c5560defe024a5f6ef28bb", "versionType": "git"}, {"lessThan": "bdb640be82e645e2828731648f485224d0c2587b", "status": "affected", "version": "326bbc348298ab0946c5560defe024a5f6ef28bb", "versionType": "git"}]}, {"defaultStatus": "affected", "product": "Linux", "programFiles": ["sound/usb/qcom/qc_audio_offload.c"], "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "vendor": "Linux", "versions": [{"status": "affected", "version": "6.16"}, {"lessThan": "6.16", "status": "unaffected", "version": "0", "versionType": "semver"}, {"lessThanOrEqual": "6.18.*", "status": "unaffected", "version": "6.18.40", "versionType": "semver"}, {"lessThanOrEqual": "7.1.*", "status": "unaffected", "version": "7.1.5", "versionType": "semver"}, {"lessThanOrEqual": "*", "status": "unaffected", "version": "7.2-rc1", "versionType": "original_commit_for_fix"}]}], "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"}], "cveTags": [], "descriptions": [{"lang": "en", "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nALSA: usb-audio: qcom: reject stream disable with no active interface\n\nhandle_uaudio_stream_req() resolves an interface index with\ninfo_idx_from_ifnum(), which returns -EINVAL when no interface matches.\nThe enable branch and the response: cleanup label both guard against a\nnegative index, but the disable branch does not: it forms\ninfo = &uadev[pcm_card_num].info[info_idx] and dereferences it.\n\nuadev[].info is a pointer allocated only when a stream is first enabled,\nso a negative info_idx on the disable path is unsafe in two ways:\n\n - If the card was never enabled, .info is NULL and &info[-EINVAL] is a\n wild pointer; reading info->data_ep_pipe faults (kernel oops).\n\n - If the card was enabled at least once (.info allocated) and the\n disable names an interface that does not match, &info[-EINVAL] points\n before the allocation; info->data_ep_pipe / info->sync_ep_pipe are an\n out-of-bounds slab read and, when non-zero, an out-of-bounds 4-byte\n write (both pipe fields are cleared to 0). That is memory corruption,\n not just a NULL dereference.\n\nThe request is reachable from unprivileged local userspace over\nAF_QIPCRTR. Reject a disable request with no resolved interface, matching\nthe guard the enable path already has."}], "id": "CVE-2026-72446", "lastModified": "2026-08-15T06:22:18.500", "metrics": {}, "published": "2026-08-15T06:22:18.500", "references": [{"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/25a867aa5e67a84333fa6e5c21292c5bcff86b90"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/a22356d1f731553e99aa2707dbd38c659bdd28d8"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/bdb640be82e645e2828731648f485224d0c2587b"}], "sourceIdentifier": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "vulnStatus": "Received"}

{}

{}