362 lines
17 KiB
JSON
362 lines
17 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-2026-64373",
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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": "2026-07-19T15:36:31.784Z",
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"datePublished": "2026-07-25T08:50:25.427Z",
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"dateUpdated": "2026-11-06T16:44:50.158Z"
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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": "2026-08-17T04:54:23.307Z"
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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\ncpufreq: Fix hotplug-suspend race during reboot\n\nDuring system reboot, cpufreq_suspend() is called via the\nkernel_restart() -> device_shutdown() path. Unlike the normal system\nsuspend path, the reboot path does not call freeze_processes(), so\nuserspace processes and kernel threads remain active.\n\nThis allows CPU hotplug operations to run concurrently with\ncpufreq_suspend(). The original code has no synchronization with CPU\nhotplug, leading to a race condition where governor_data can be freed\nby the hotplug path while cpufreq_suspend() is still accessing it,\nresulting in a null pointer dereference:\n\n Unable to handle kernel NULL pointer dereference\n Call Trace:\n do_kernel_fault+0x28/0x3c\n cpufreq_suspend+0xdc/0x160\n device_shutdown+0x18/0x200\n kernel_restart+0x40/0x80\n arm64_sys_reboot+0x1b0/0x200\n\nFix this by adding cpus_read_lock()/cpus_read_unlock() to\ncpufreq_suspend() to block CPU hotplug operations while suspend is in\nprogress.\n\n[ rjw: Changelog edits ]"
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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/cpufreq/cpufreq.c"
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],
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"versions": [
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{
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"version": "65650b35133ff20f0c9ef0abd5c3c66dbce3ae57",
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"lessThan": "6d5dd354c37abaf4d60400c55c71f23ba2b33639",
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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": "65650b35133ff20f0c9ef0abd5c3c66dbce3ae57",
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"lessThan": "9103078c7b3091a2fbb52af176f95982ee7dd7f8",
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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": "65650b35133ff20f0c9ef0abd5c3c66dbce3ae57",
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"lessThan": "cd4524ff6567fa4458a5bec4b017105e671d393e",
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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": "65650b35133ff20f0c9ef0abd5c3c66dbce3ae57",
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"lessThan": "73255d702c7560185fd5951aadcf7eb057c2f453",
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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": "65650b35133ff20f0c9ef0abd5c3c66dbce3ae57",
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"lessThan": "a0ef2fc89d28ca62923376c4b8ffaa57136a36be",
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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": "65650b35133ff20f0c9ef0abd5c3c66dbce3ae57",
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"lessThan": "6e175c00c62dca3d91b987015808b5d52e8db2b4",
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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": "65650b35133ff20f0c9ef0abd5c3c66dbce3ae57",
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"lessThan": "a0106b41f9a724868d390b8b3b4ea5ca0e04ea53",
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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": "65650b35133ff20f0c9ef0abd5c3c66dbce3ae57",
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"lessThan": "a9029dd55696c651ee46912afa2a166fa456bb3e",
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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": "8bfa06ea6e81bf08d2132d7e70c2b5313b34caf8",
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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": "7ccf3b8b7a12dc9da158c2e699c36d04b2496944",
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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": "5f466713989250938624afa79dc33bae20920700",
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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": "89ab39da1452d272007acc5912d4008047b86706",
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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": "cb4b4601f910c78d2b49f637a12ef98b41cb76a9",
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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": "4.4.198",
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"lessThan": "4.5",
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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": "4.9.198",
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"lessThan": "4.10",
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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": "4.14.151",
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"lessThan": "4.15",
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"status": "affected",
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"versionType": "semver"
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},
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{
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"version": "4.19.81",
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"lessThan": "4.20",
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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": "5.3.8",
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"lessThan": "5.4",
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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/cpufreq/cpufreq.c"
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],
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"versions": [
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{
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"version": "5.4",
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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": "5.4",
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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": "5.10.261",
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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": "5.15.212",
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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": "6.1.178",
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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": "6.6.145",
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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": "6.12.96",
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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": "6.18.39",
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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": "7.1.4",
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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": "5.4",
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"versionEndExcluding": "5.10.261"
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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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},
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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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}
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],
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"references": [
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{
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"url": "https://git.kernel.org/stable/c/6d5dd354c37abaf4d60400c55c71f23ba2b33639"
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},
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{
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"url": "https://git.kernel.org/stable/c/9103078c7b3091a2fbb52af176f95982ee7dd7f8"
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},
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{
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"url": "https://git.kernel.org/stable/c/cd4524ff6567fa4458a5bec4b017105e671d393e"
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},
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{
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"url": "https://git.kernel.org/stable/c/73255d702c7560185fd5951aadcf7eb057c2f453"
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},
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{
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"url": "https://git.kernel.org/stable/c/a0ef2fc89d28ca62923376c4b8ffaa57136a36be"
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},
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{
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"url": "https://git.kernel.org/stable/c/6e175c00c62dca3d91b987015808b5d52e8db2b4"
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},
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{
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"url": "https://git.kernel.org/stable/c/a0106b41f9a724868d390b8b3b4ea5ca0e04ea53"
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},
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{
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"url": "https://git.kernel.org/stable/c/a9029dd55696c651ee46912afa2a166fa456bb3e"
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}
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],
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"title": "cpufreq: Fix hotplug-suspend race during reboot",
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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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"adp": [
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{
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"metrics": [
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{
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"other": {
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"type": "ssvc",
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"content": {
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"id": "CVE-2026-64373",
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"role": "CISA Coordinator",
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"options": [
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{
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"Exploitation": "none"
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},
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{
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"Automatable": "no"
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},
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{
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"Technical Impact": "partial"
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}
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],
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"version": "2.0.3",
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"timestamp": "2026-11-06T16:37:38.679407Z"
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}
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}
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}
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],
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"title": "CISA ADP Vulnrichment",
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"providerMetadata": {
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"orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
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"shortName": "CISA-ADP",
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"dateUpdated": "2026-11-06T16:44:50.158Z"
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}
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}
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]
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}
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} |