264 lines
14 KiB
JSON
264 lines
14 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-2026-89980",
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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": "2026-09-11T19:38:34.779Z",
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"datePublished": "2026-09-16T10:32:57.355Z",
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"dateUpdated": "2026-10-30T12:33:40.858Z"
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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": "2026-10-30T12:33:40.858Z"
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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: harmony: initialize locks before requesting IRQ\n\nsnd_harmony_create() registers the IRQ before initializing h->lock and\nh->mixer_lock. A pending interrupt can invoke the handler while these\nlocks are uninitialized.\n\nInitialize both locks before requesting the IRQ so the handler always\nsees valid lock state."
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}
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],
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"metrics": [
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{
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"cvssV3_1": {
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"version": "3.1",
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"vectorString": "CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H",
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"baseScore": 8.4,
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"baseSeverity": "HIGH"
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},
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"scenarios": [
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{
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"lang": "en",
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"value": "AV:L - The bug is reached only from snd_harmony_probe() → snd_harmony_create() → request_irq() → snd_harmony_interrupt() on onboard HP PA-RISC LASI/ASP Harmony audio, which enumerates at boot or module bind. There is no network, Bluetooth, or USB packet path into this GSC chip.\nAC:L - snd_harmony_create() calls request_irq() before spin_lock_init() and before pcm_init()'s harmony_disable_interrupts(). Firmware leftover DSTATUS_IE plus pending PN/RN lets gsc_asic_unmask_irq() deliver snd_harmony_interrupt() immediately against uninitialized h->lock, without an attacker-uncontrollable race.\nPR:N - snd_harmony_create() performs no capability or authentication checks before request_irq(). On GSC/LASI PA-RISC workstations and servers with Harmony, kernel/udev enumeration runs the vulnerable probe automatically without an OS account or user-namespace privilege.\nUI:N - No victim action is required. A pending Harmony interrupt during driver probe at boot or module autoload invokes the uninitialized-lock IRQ path without anyone opening ALSA PCM or control nodes.\nS:U - Impact is uninitialized spinlock use and DMA next-address programming inside the host kernel Harmony driver. This does not cross a VM, IOMMU, or sandbox security boundary.\nC:H - snd_harmony_interrupt() takes uninitialized h->lock in hard-IRQ context and, with psubs/csubs still NULL, programs HARMONY_PNXTADD from zeroed sdma so the chip DMAs from physical address 0. That undefined lock/DMA behavior can disclose kernel memory rather than a small bounded leak.\nI:H - On SMP PA-RISC (defconfig), probe can spin_lock_init() h->lock while the IRQ handler still holds the zeroed lock, and the handler writes HARMONY_RNXTADD/PNXTADD (including 0) in that window. That lock-state corruption and invalid DMA programming are write/control-flow primitives, not a pure crash.\nA:H - Taking uninitialized h->lock in snd_harmony_interrupt() during probe hits DEBUG_SPINLOCK bad-magic BUG, lockdep non-static-key failure, oops/panic, or a hung IRQ/DMA path on affected PA-RISC machines, fully denying availability."
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}
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]
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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/parisc/harmony.c"
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],
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"versions": [
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{
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"version": "1da177e4c3f41524e886b7f1b8a0c1fc7321cac2",
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"lessThan": "00fee94390e90c2e4db0a502bd1e2ea7f0b795b9",
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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": "1da177e4c3f41524e886b7f1b8a0c1fc7321cac2",
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"lessThan": "9af6c9203583655cb7ed45e52e14101652b37547",
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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": "1da177e4c3f41524e886b7f1b8a0c1fc7321cac2",
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"lessThan": "f86ff9238b0c8284909e073a681a60708b9f36ab",
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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": "1da177e4c3f41524e886b7f1b8a0c1fc7321cac2",
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"lessThan": "7dc239edb6d58e01c9ec868565cc03e7adf91747",
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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": "1da177e4c3f41524e886b7f1b8a0c1fc7321cac2",
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"lessThan": "9347588bbd6ad43a85e17046d9c117a41453c52a",
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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": "1da177e4c3f41524e886b7f1b8a0c1fc7321cac2",
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"lessThan": "89992bda7dfbba7ded2ba4185730453c57fa65bc",
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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": "1da177e4c3f41524e886b7f1b8a0c1fc7321cac2",
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"lessThan": "cd209eb3136e002becbda232e399fa31a2276436",
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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": "1da177e4c3f41524e886b7f1b8a0c1fc7321cac2",
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"lessThan": "33abb7491e89285a41565670945293dda841afc4",
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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/parisc/harmony.c"
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],
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"versions": [
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{
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"version": "2.6.12",
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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": "2.6.12",
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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": "5.10.273",
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"lessThanOrEqual": "5.10.*",
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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": "5.15.221",
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"lessThanOrEqual": "5.15.*",
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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": "6.1.188",
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"lessThanOrEqual": "6.1.*",
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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": "6.6.157",
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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": "6.12.110",
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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": "6.18.51",
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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": "7.2.5",
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"lessThanOrEqual": "7.2.*",
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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": "7.3",
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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": "2.6.12",
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"versionEndExcluding": "5.10.273"
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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": "2.6.12",
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"versionEndExcluding": "5.15.221"
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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": "2.6.12",
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"versionEndExcluding": "6.1.188"
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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": "2.6.12",
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"versionEndExcluding": "6.6.157"
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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": "2.6.12",
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"versionEndExcluding": "6.12.110"
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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": "2.6.12",
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"versionEndExcluding": "6.18.51"
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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": "2.6.12",
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"versionEndExcluding": "7.2.5"
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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": "2.6.12",
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"versionEndExcluding": "7.3"
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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/00fee94390e90c2e4db0a502bd1e2ea7f0b795b9"
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},
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{
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"url": "https://git.kernel.org/stable/c/9af6c9203583655cb7ed45e52e14101652b37547"
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},
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{
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"url": "https://git.kernel.org/stable/c/f86ff9238b0c8284909e073a681a60708b9f36ab"
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},
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{
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"url": "https://git.kernel.org/stable/c/7dc239edb6d58e01c9ec868565cc03e7adf91747"
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},
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{
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"url": "https://git.kernel.org/stable/c/9347588bbd6ad43a85e17046d9c117a41453c52a"
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},
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{
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"url": "https://git.kernel.org/stable/c/89992bda7dfbba7ded2ba4185730453c57fa65bc"
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},
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{
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"url": "https://git.kernel.org/stable/c/cd209eb3136e002becbda232e399fa31a2276436"
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},
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{
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"url": "https://git.kernel.org/stable/c/33abb7491e89285a41565670945293dda841afc4"
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}
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],
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"title": "ALSA: harmony: initialize locks before requesting IRQ",
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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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} |