382 lines
19 KiB
JSON
382 lines
19 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-2026-68091",
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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": "2026-07-30T09:28:09.367Z",
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"datePublished": "2026-08-10T11:51:46.683Z",
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"dateUpdated": "2026-10-19T20:48:44.455Z"
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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": "2026-08-17T04:58:39.275Z"
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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\nHID: wacom: stop hardware after post-start probe failures\n\nwacom_parse_and_register() starts HID hardware before registering inputs\nand initializing pad LEDs/remotes. Those later steps can fail, but their\nerror paths currently release Wacom resources without stopping the HID\nhardware.\n\nRoute post-hid_hw_start() failures through hid_hw_stop() before\nreleasing driver resources.\n\nThis issue was identified during our ongoing static-analysis research while\nreviewing kernel code."
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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:A/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H",
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"baseScore": 8.8,
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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:A - The flaw is in the Wacom HID driver probe path reached when a Wacom-class HID device is connected; Bluetooth Wacom tablets are widely deployed and let an adjacent attacker deliver crafted HID traffic without USB port access.\nAC:L - A malicious or fuzzed Wacom HID device can steer probe through post-hid_hw_start() failure paths and the scheduled init_work, reliably leaving HID hardware active after driver teardown.\nPR:N - Exploitation requires only presenting a rogue Wacom HID device over Bluetooth or USB; no prior local account, capability, or namespace privilege on the victim host is needed.\nUI:N - No victim interaction is required beyond the attacker initiating device connection; probe failure and continued HID activity occur automatically on the kernel hotplug path.\nS:U - Impact is kernel memory corruption and privilege escalation within the host kernel, not crossing a VM, container, or IOMMU security boundary.\nC:H - Continued HID callbacks and delayed work after wacom_release_resources() create a use-after-free on freed driver allocations, enabling arbitrary kernel memory disclosure.\nI:H - The dangling hardware/workqueue activity against freed Wacom state is a heap use-after-free that can be leveraged for arbitrary kernel writes and code execution.\nA:H - Accessing freed probe resources from still-running HID hardware or init_work can cause kernel oops, panic, or hang, producing complete system denial of service."
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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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"drivers/hid/wacom_sys.c"
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],
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"versions": [
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{
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"version": "f304eb483393f135ab479d02da6f5dc7d9b51cd6",
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"lessThan": "5a7ca028facf04921b2c1c2e4d1ee7f282510555",
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"status": "affected",
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},
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{
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"version": "853307924a9003b3142b5253b1caa6625fbad9fc",
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"status": "affected",
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"versionType": "git"
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},
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{
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"lessThan": "46d8b8c85ae0589fb85746a64e8908160e52aac3",
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"status": "affected",
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"lessThan": "1a1ebdcb56ae58a0ee2c54dd15d75121e30424e3",
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"status": "affected",
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},
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{
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"lessThan": "75eb2173b63ab41c24d80cd641af18f3c117a267",
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"status": "affected",
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"lessThan": "416095e9a6037b4b39fcadd0d2bd77a8852211ec",
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"status": "affected",
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{
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},
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{
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"status": "affected",
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"status": "affected",
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{
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"version": "79187e8099a9feb550916dbfb962497522022b6d",
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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": "5.10.210",
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"lessThan": "5.10.261",
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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": "5.15.149",
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"lessThan": "5.15.212",
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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": "6.1.79",
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"lessThan": "6.1.178",
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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": "6.6.18",
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"lessThan": "6.6.145",
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"status": "affected",
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},
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{
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"version": "4.19.307",
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"lessThan": "4.20",
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"status": "affected",
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},
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{
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"version": "5.4.269",
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"lessThan": "5.5",
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"status": "affected",
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},
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{
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"version": "6.7.6",
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"lessThan": "6.8",
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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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"drivers/hid/wacom_sys.c"
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],
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{
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{
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"version": "0",
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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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},
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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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},
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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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"nodes": [
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"operator": "OR",
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"negate": false,
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"references": [
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{
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"url": "https://git.kernel.org/stable/c/5a7ca028facf04921b2c1c2e4d1ee7f282510555"
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},
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{
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},
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{
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"url": "https://git.kernel.org/stable/c/46d8b8c85ae0589fb85746a64e8908160e52aac3"
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},
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{
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"url": "https://git.kernel.org/stable/c/1a1ebdcb56ae58a0ee2c54dd15d75121e30424e3"
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},
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{
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"url": "https://git.kernel.org/stable/c/75eb2173b63ab41c24d80cd641af18f3c117a267"
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},
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{
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"url": "https://git.kernel.org/stable/c/416095e9a6037b4b39fcadd0d2bd77a8852211ec"
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},
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{
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"url": "https://git.kernel.org/stable/c/e2cc711a9df37f359159b21db56cea9c21f58a9c"
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},
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{
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"url": "https://git.kernel.org/stable/c/ec2612b8ad9e642596db011dd8b6568ef1edeaa1"
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}
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],
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"title": "HID: wacom: stop hardware after post-start probe failures",
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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-2026-68091",
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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": "total"
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}
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],
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"version": "2.0.3",
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"timestamp": "2026-10-16T15:43:38.593019Z"
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}
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}
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}
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],
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"problemTypes": [
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{
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"descriptions": [
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{
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"lang": "en",
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"type": "CWE",
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"cweId": "CWE-404",
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"description": "CWE-404 Improper Resource Shutdown or Release"
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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": "2026-10-19T20:48:44.455Z"
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}
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}
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]
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}
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} |