207 lines
10 KiB
JSON
207 lines
10 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-2026-90129",
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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": "2026-09-11T19:38:34.788Z",
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"datePublished": "2026-09-17T16:06:30.537Z",
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"dateUpdated": "2026-10-30T12:34:17.423Z"
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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": "2026-10-30T12:34:17.423Z"
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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\nvirtio_balloon: quiesce balloon work before device shutdown\n\nCommit 8bd2fa086a04 (\"virtio: break and reset virtio devices on\ndevice_shutdown()\") added a generic virtio bus .shutdown handler that\nbreaks and resets every virtio device during device_shutdown(), i.e. on\nreboot and kexec.\n\nvirtio_balloon provides no .shutdown of its own, so that generic path\nruns while the balloon's asynchronous work is still armed. Once the\ndevice has been broken, virtqueue_add_inbuf() in\nvirtballoon_free_page_report() returns -EIO and trips its\nWARN_ON_ONCE(). On a kernel booted with panic_on_warn that turns an\nordinary reboot, for example a kexec based upgrade, into a fatal panic\nin the middle of device_shutdown(), so the machine never reaches the\nnew kernel.\n\nRelaxing that single WARN_ON_ONCE() would only hide the symptom: the\ninflate/deflate and OOM paths do not warn, they call\nwait_event(vb->acked, ...) and would instead block forever on a broken\nqueue that can no longer complete. The device has to be quiesced, not\njust kept quiet.\n\nAdd a .shutdown handler that quiesces the balloon via the shared\nvirtballoon_quiesce() helper while the device is still alive, and only\nthen breaks and resets it via virtio_device_shutdown(). Unlike\nvirtballoon_remove() the balloon workqueue is not destroyed, as shutdown\ndoes not free the device and cancel_work_sync() together with stop_update\nalready prevent any further work from being queued."
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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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"drivers/virtio/virtio_balloon.c"
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],
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"versions": [
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{
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"version": "8bd2fa086a04886798b505f28db4002525895203",
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"lessThan": "6dd28e32f4d81a0d57c732b9900de24184e60a7d",
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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": "8bd2fa086a04886798b505f28db4002525895203",
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"lessThan": "bdef50a8226fc04899ef6815dd08a002247d47d5",
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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": "8bd2fa086a04886798b505f28db4002525895203",
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"lessThan": "7e17eef04600c399c7e0f5ce765da5cf9d40d8e1",
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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": "0c03e32494dd0bbcc301523e5ae567c2f567a7d9",
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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": "acdfe206be6c70ec55dc8bfdb1a22036d10fae26",
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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": "1eaa83fd94ed5e40d43139025f5acb7bcfed3b5f",
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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": "aee42f3d57bfa37b2716df4584edeecf63b9df4c",
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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": "6.1.191",
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"lessThan": "6.2",
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"status": "affected",
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"versionType": "semver"
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},
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{
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"version": "6.6.160",
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"lessThan": "6.7",
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"status": "affected",
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"versionType": "semver"
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},
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{
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"version": "6.12.114",
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"lessThan": "6.13",
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"status": "affected",
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"versionType": "semver"
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},
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{
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"version": "6.14.9",
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"lessThan": "6.15",
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"status": "affected",
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"versionType": "semver"
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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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"drivers/virtio/virtio_balloon.c"
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],
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"versions": [
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{
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"version": "6.15",
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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": "6.15",
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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": "6.18.52",
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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": "7.2.6",
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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": "6.15",
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"versionEndExcluding": "6.18.52"
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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": "6.15",
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"versionEndExcluding": "7.2.6"
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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": "6.15",
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"versionEndExcluding": "7.3"
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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": "6.1.191"
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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": "6.6.160"
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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": "6.12.114"
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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": "6.14.9"
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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/6dd28e32f4d81a0d57c732b9900de24184e60a7d"
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},
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{
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"url": "https://git.kernel.org/stable/c/bdef50a8226fc04899ef6815dd08a002247d47d5"
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},
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{
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"url": "https://git.kernel.org/stable/c/7e17eef04600c399c7e0f5ce765da5cf9d40d8e1"
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}
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],
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"title": "virtio_balloon: quiesce balloon work before device shutdown",
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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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} |