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vuln-cve/data/2026/23xxx/CVE-2026-23208.json
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{
"dataType": "CVE_RECORD",
"dataVersion": "5.2",
"cveMetadata": {
"cveId": "CVE-2026-23208",
"assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
"state": "PUBLISHED",
"assignerShortName": "Linux",
"dateReserved": "2026-01-13T15:37:45.986Z",
"datePublished": "2026-02-14T16:27:30.441Z",
"dateUpdated": "2026-11-05T21:23:22.361Z"
},
"containers": {
"cna": {
"providerMetadata": {
"orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
"shortName": "Linux",
"dateUpdated": "2026-10-30T12:23:48.451Z"
},
"descriptions": [
{
"lang": "en",
"value": "In the Linux kernel, the following vulnerability has been resolved:\n\nALSA: usb-audio: Prevent excessive number of frames\n\nIn this case, the user constructed the parameters with maxpacksize 40\nfor rate 22050 / pps 1000, and packsize[0] 22 packsize[1] 23. The buffer\nsize for each data URB is maxpacksize * packets, which in this example\nis 40 * 6 = 240; When the user performs a write operation to send audio\ndata into the ALSA PCM playback stream, the calculated number of frames\nis packsize[0] * packets = 264, which exceeds the allocated URB buffer\nsize, triggering the out-of-bounds (OOB) issue reported by syzbot [1].\n\nAdded a check for the number of single data URB frames when calculating\nthe number of frames to prevent [1].\n\n[1]\nBUG: KASAN: slab-out-of-bounds in copy_to_urb+0x261/0x460 sound/usb/pcm.c:1487\nWrite of size 264 at addr ffff88804337e800 by task syz.0.17/5506\nCall Trace:\n copy_to_urb+0x261/0x460 sound/usb/pcm.c:1487\n prepare_playback_urb+0x953/0x13d0 sound/usb/pcm.c:1611\n prepare_outbound_urb+0x377/0xc50 sound/usb/endpoint.c:333"
}
],
"affected": [
{
"product": "Linux",
"vendor": "Linux",
"defaultStatus": "unaffected",
"repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
"programFiles": [
"sound/usb/pcm.c"
],
"versions": [
{
"version": "02c56650f3c118d3752122996d96173d26bb13aa",
"lessThan": "480a1490c595a242f27493a4544b3efb21b29f6a",
"status": "affected",
"versionType": "git"
},
{
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"lessThan": "ab0b5e92fc36ee82c1bd01fe896d0f775ed5de41",
"status": "affected",
"versionType": "git"
},
{
"version": "99703c921864a318e3e8aae74fde071b1ff35bea",
"lessThan": "282aba56713bbc58155716b55ca7222b2d9cf3c8",
"status": "affected",
"versionType": "git"
},
{
"version": "2d50acd7dbd0682a56968ad9551341d7fc5b6eaf",
"lessThan": "c4dc012b027c9eb101583011089dea14d744e314",
"status": "affected",
"versionType": "git"
},
{
"version": "aba41867dd66939d336fdf604e4d73b805d8039f",
"lessThan": "e0ed5a36fb3ab9e7b9ee45cd17f09f6d5f594360",
"status": "affected",
"versionType": "git"
},
{
"version": "d288dc74f8cf95cb7ae0aaf245b7128627a49bf3",
"lessThan": "d67dde02049e632ba58d3c44a164a74b6a737154",
"status": "affected",
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},
{
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"lessThan": "581821f4b2ecbf411027b0af82b561ee208f4ba4",
"status": "affected",
"versionType": "git"
},
{
"version": "f0bd62b64016508938df9babe47f65c2c727d25c",
"lessThan": "152fc4f7b4a8af1c0418d2722f3b2729799cc837",
"status": "affected",
"versionType": "git"
},
{
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"lessThan": "81e4b0009f2acc841d77a24fd796528b0bf62c4e",
"status": "affected",
"versionType": "git"
},
{
"version": "f0bd62b64016508938df9babe47f65c2c727d25c",
"lessThan": "62932d9ed639a9fa71b4ac1a56766a4b43abb7e4",
"status": "affected",
"versionType": "git"
},
{
"version": "f0bd62b64016508938df9babe47f65c2c727d25c",
"lessThan": "ef5749ef8b307bf8717945701b1b79d036af0a15",
"status": "affected",
"versionType": "git"
},
{
"version": "4.4.229",
"lessThan": "4.4.230",
"status": "affected",
"versionType": "semver"
},
{
"version": "4.9.229",
"lessThan": "4.9.230",
"status": "affected",
"versionType": "semver"
},
{
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"lessThan": "4.14.188",
"status": "affected",
"versionType": "semver"
},
{
"version": "4.19.130",
"lessThan": "4.19.132",
"status": "affected",
"versionType": "semver"
},
{
"version": "5.4.49",
"lessThan": "5.4.51",
"status": "affected",
"versionType": "semver"
},
{
"version": "5.7.6",
"lessThan": "5.7.8",
"status": "affected",
"versionType": "semver"
}
]
},
{
"product": "Linux",
"vendor": "Linux",
"defaultStatus": "affected",
"repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
"programFiles": [
"sound/usb/pcm.c"
],
"versions": [
{
"version": "5.8",
"status": "affected"
},
{
"version": "0",
"lessThan": "5.8",
"status": "unaffected",
"versionType": "semver"
},
{
"version": "4.4.230",
"lessThanOrEqual": "4.4.*",
"status": "unaffected",
"versionType": "semver"
},
{
"version": "4.9.230",
"lessThanOrEqual": "4.9.*",
"status": "unaffected",
"versionType": "semver"
},
{
"version": "4.14.188",
"lessThanOrEqual": "4.14.*",
"status": "unaffected",
"versionType": "semver"
},
{
"version": "4.19.132",
"lessThanOrEqual": "4.19.*",
"status": "unaffected",
"versionType": "semver"
},
{
"version": "5.4.51",
"lessThanOrEqual": "5.4.*",
"status": "unaffected",
"versionType": "semver"
},
{
"version": "5.7.8",
"lessThanOrEqual": "5.7.*",
"status": "unaffected",
"versionType": "semver"
},
{
"version": "6.1.191",
"lessThanOrEqual": "6.1.*",
"status": "unaffected",
"versionType": "semver"
},
{
"version": "6.6.160",
"lessThanOrEqual": "6.6.*",
"status": "unaffected",
"versionType": "semver"
},
{
"version": "6.12.114",
"lessThanOrEqual": "6.12.*",
"status": "unaffected",
"versionType": "semver"
},
{
"version": "6.18.10",
"lessThanOrEqual": "6.18.*",
"status": "unaffected",
"versionType": "semver"
},
{
"version": "6.19",
"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": "4.4.229",
"versionEndExcluding": "4.4.230"
},
{
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"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
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"versionStartIncluding": "5.4.49",
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},
{
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"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
"versionStartIncluding": "5.7.6",
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},
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"versionEndExcluding": "6.18.10"
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"versionStartIncluding": "5.8",
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],
"references": [
{
"url": "https://git.kernel.org/stable/c/480a1490c595a242f27493a4544b3efb21b29f6a"
},
{
"url": "https://git.kernel.org/stable/c/ab0b5e92fc36ee82c1bd01fe896d0f775ed5de41"
},
{
"url": "https://git.kernel.org/stable/c/282aba56713bbc58155716b55ca7222b2d9cf3c8"
},
{
"url": "https://git.kernel.org/stable/c/c4dc012b027c9eb101583011089dea14d744e314"
},
{
"url": "https://git.kernel.org/stable/c/e0ed5a36fb3ab9e7b9ee45cd17f09f6d5f594360"
},
{
"url": "https://git.kernel.org/stable/c/d67dde02049e632ba58d3c44a164a74b6a737154"
},
{
"url": "https://git.kernel.org/stable/c/581821f4b2ecbf411027b0af82b561ee208f4ba4"
},
{
"url": "https://git.kernel.org/stable/c/152fc4f7b4a8af1c0418d2722f3b2729799cc837"
},
{
"url": "https://git.kernel.org/stable/c/81e4b0009f2acc841d77a24fd796528b0bf62c4e"
},
{
"url": "https://git.kernel.org/stable/c/62932d9ed639a9fa71b4ac1a56766a4b43abb7e4"
},
{
"url": "https://git.kernel.org/stable/c/ef5749ef8b307bf8717945701b1b79d036af0a15"
}
],
"title": "ALSA: usb-audio: Prevent excessive number of frames",
"x_generator": {
"engine": "bippy-1.2.0"
}
},
"adp": [
{
"metrics": [
{
"other": {
"type": "ssvc",
"content": {
"id": "CVE-2026-23208",
"role": "CISA Coordinator",
"options": [
{
"Exploitation": "none"
},
{
"Automatable": "no"
},
{
"Technical Impact": "partial"
}
],
"version": "2.0.3",
"timestamp": "2026-11-05T21:22:29.926532Z"
}
}
}
],
"title": "CISA ADP Vulnrichment",
"providerMetadata": {
"orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
"shortName": "CISA-ADP",
"dateUpdated": "2026-11-05T21:23:22.361Z"
}
}
]
}
}