185 lines
8.7 KiB
JSON
185 lines
8.7 KiB
JSON
{
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"dataType": "CVE_RECORD",
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"dataVersion": "5.2",
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"cveMetadata": {
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"cveId": "CVE-2026-74502",
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"assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
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"state": "PUBLISHED",
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"assignerShortName": "Linux",
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"dateReserved": "2026-08-15T05:44:03.907Z",
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"datePublished": "2026-08-15T12:27:27.586Z",
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"dateUpdated": "2026-08-17T05:20:40.831Z"
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},
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"containers": {
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"cna": {
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"providerMetadata": {
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"orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
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"shortName": "Linux",
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"dateUpdated": "2026-08-17T05:20:40.831Z"
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},
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"descriptions": [
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{
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"lang": "en",
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"value": "In the Linux kernel, the following vulnerability has been resolved:\n\nALSA: ump: fix double free of out_cvts on rawmidi error\n\nsnd_ump_attach_legacy_rawmidi() allocates the legacy conversion array\nump->out_cvts and, on the snd_rawmidi_new() error path, frees it with\nkfree() but leaves ump->out_cvts pointing at the freed memory. When the\nendpoint is later torn down, snd_ump_endpoint_free() frees ump->out_cvts\na second time, resulting in a double free.\n\nThe host snd-usb-audio driver attaches the legacy rawmidi for any USB\nMIDI 2.0 (UMP) device, so a device that makes snd_rawmidi_new() fail\nreaches this path on enumeration.\n\nClear ump->out_cvts after freeing it on the error path so it is not\nfreed again during teardown.\n\nDiscovered by XBOW, triaged by Baul Lee <baul.lee@xbow.com>"
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}
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],
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"affected": [
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{
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"product": "Linux",
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"vendor": "Linux",
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"defaultStatus": "unaffected",
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"repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
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"programFiles": [
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"sound/core/ump.c"
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],
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"versions": [
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{
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"version": "33cd7630782df2230529c3e8f1a6d0ae9cd6ab49",
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"lessThan": "e84d2e53a05c78a04d1343eeb0f31a79456e79fc",
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"status": "affected",
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"versionType": "git"
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},
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{
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"version": "33cd7630782df2230529c3e8f1a6d0ae9cd6ab49",
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"lessThan": "3302aaeac4f7ee6b775850db21d5f61064ce70ad",
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"status": "affected",
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"versionType": "git"
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},
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{
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"version": "33cd7630782df2230529c3e8f1a6d0ae9cd6ab49",
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"lessThan": "032746c2dd9a4ea0774b04ac8a29e2ea628f106e",
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"status": "affected",
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"versionType": "git"
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},
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{
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"version": "33cd7630782df2230529c3e8f1a6d0ae9cd6ab49",
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"lessThan": "c57001f55f97ef856fb6527e376c5c4a056a53a4",
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"status": "affected",
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"versionType": "git"
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},
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{
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"version": "33cd7630782df2230529c3e8f1a6d0ae9cd6ab49",
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"lessThan": "70c977815af0d997feb2d0c5d284d55689bf7051",
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"status": "affected",
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"versionType": "git"
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}
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]
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},
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{
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"product": "Linux",
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"vendor": "Linux",
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"defaultStatus": "affected",
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"repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
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"programFiles": [
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"sound/core/ump.c"
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],
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"versions": [
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{
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"version": "6.5",
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"status": "affected"
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},
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{
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"version": "0",
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"lessThan": "6.5",
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"status": "unaffected",
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"versionType": "semver"
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},
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{
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"version": "6.6.151",
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"lessThanOrEqual": "6.6.*",
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"status": "unaffected",
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"versionType": "semver"
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},
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{
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"version": "6.12.103",
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"lessThanOrEqual": "6.12.*",
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"status": "unaffected",
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"versionType": "semver"
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},
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{
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"version": "6.18.44",
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"lessThanOrEqual": "6.18.*",
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"status": "unaffected",
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"versionType": "semver"
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},
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{
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"version": "7.1.8",
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"lessThanOrEqual": "7.1.*",
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"status": "unaffected",
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"versionType": "semver"
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},
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{
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"version": "7.2",
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"lessThanOrEqual": "*",
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"status": "unaffected",
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"versionType": "original_commit_for_fix"
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}
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]
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}
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],
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"cpeApplicability": [
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{
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"nodes": [
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{
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"operator": "OR",
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"negate": false,
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"cpeMatch": [
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{
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"vulnerable": true,
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"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
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"versionStartIncluding": "6.5",
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"versionEndExcluding": "6.6.151"
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},
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{
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"vulnerable": true,
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"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
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"versionStartIncluding": "6.5",
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"versionEndExcluding": "6.12.103"
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},
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{
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"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
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"versionStartIncluding": "6.5",
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"versionEndExcluding": "6.18.44"
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},
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{
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"vulnerable": true,
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"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
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"versionStartIncluding": "6.5",
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"versionEndExcluding": "7.1.8"
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},
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{
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"vulnerable": true,
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"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
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"versionStartIncluding": "6.5",
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"versionEndExcluding": "7.2"
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}
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]
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}
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]
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}
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],
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"references": [
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{
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"url": "https://git.kernel.org/stable/c/e84d2e53a05c78a04d1343eeb0f31a79456e79fc"
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},
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{
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"url": "https://git.kernel.org/stable/c/3302aaeac4f7ee6b775850db21d5f61064ce70ad"
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},
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{
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"url": "https://git.kernel.org/stable/c/032746c2dd9a4ea0774b04ac8a29e2ea628f106e"
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},
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{
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"url": "https://git.kernel.org/stable/c/c57001f55f97ef856fb6527e376c5c4a056a53a4"
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},
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{
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"url": "https://git.kernel.org/stable/c/70c977815af0d997feb2d0c5d284d55689bf7051"
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}
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],
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"title": "ALSA: ump: fix double free of out_cvts on rawmidi error",
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"x_generator": {
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"engine": "bippy-1.2.0"
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}
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}
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}
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} |