138 lines
7.4 KiB
JSON
138 lines
7.4 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-2022-49974",
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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": "2025-06-18T10:57:27.385Z",
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"datePublished": "2025-06-18T11:00:37.224Z",
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"dateUpdated": "2026-08-15T12:23:02.248Z"
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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": "2026-08-15T12:23:02.248Z"
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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: nintendo: fix rumble worker null pointer deref\n\nWe can dereference a null pointer trying to queue work to a destroyed\nworkqueue.\n\nIf the device is disconnected, nintendo_hid_remove is called, in which\nthe rumble_queue is destroyed. Avoid using that queue to defer rumble\nwork once the controller state is set to JOYCON_CTLR_STATE_REMOVED.\n\nThis eliminates the null pointer dereference."
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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 hid-nintendo driver binds Joy-Cons and Pro Controllers over Bluetooth (`HID_BLUETOOTH_DEVICE`), so a nearby malicious or spoofed controller can drive connect/disconnect and HID report delivery. Bluetooth adjacency is the highest reasonable vector versus USB-physical.\nAC:L - The bug is a remove-versus-`queue_work` race on `rumble_queue`, and the Bluetooth peer controls disconnect timing and can retry while rumble is active. Attacker-influenced races are Low complexity under the required guidance.\nPR:N - An adjacent Bluetooth HID peer needs no local account or capability on the victim. Driver remove and report handling run from the Bluetooth/HID stack, not from attacker-held OS privileges.\nUI:N - Once a controller is paired or otherwise connected in normal gaming/handheld use, disconnect and rumble scheduling proceed without further victim action. Pairing is treated as an environmental precondition, not required interaction.\nS:U - The fault is in host-kernel HID/workqueue handling and stays within the same kernel security authority, with no VM, IOMMU, or sandbox boundary crossed.\nC:H - `nintendo_hid_remove()` calls `destroy_workqueue(ctlr->rumble_queue)` without clearing the pointer, then `joycon_parse_report()`/`joycon_set_rumble()` can `queue_work()` on the freed workqueue. That dangling-pointer UAF is scored as high confidentiality impact.\nI:H - Queuing work through a destroyed `workqueue_struct` is kernel heap use-after-free of workqueue state, which is defensibly exploitable for memory corruption or control-flow integrity compromise under the required UAF guidance.\nA:H - Use of the destroyed rumble workqueue causes a kernel oops/panic-class crash (as described in the fix), so availability impact is High."
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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/hid-nintendo.c"
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],
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"versions": [
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{
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"version": "c4eae84feff3e68c2f385aa10faea4a96791e7ad",
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"lessThan": "7c6e6c334154be16740b44dcd7638fb510b9bd91",
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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": "c4eae84feff3e68c2f385aa10faea4a96791e7ad",
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"lessThan": "1ff89e06c2e5fab30274e4b02360d4241d6e605e",
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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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"drivers/hid/hid-nintendo.c"
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],
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"versions": [
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{
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"version": "5.16",
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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": "5.16",
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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": "5.19.7",
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"lessThanOrEqual": "5.19.*",
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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": "6.0",
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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": "5.16",
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"versionEndExcluding": "5.19.7"
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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": "5.16",
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"versionEndExcluding": "6.0"
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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/7c6e6c334154be16740b44dcd7638fb510b9bd91"
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},
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{
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"url": "https://git.kernel.org/stable/c/1ff89e06c2e5fab30274e4b02360d4241d6e605e"
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}
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],
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"title": "HID: nintendo: fix rumble worker null pointer deref",
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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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} |