303 lines
15 KiB
JSON
303 lines
15 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-2026-80781",
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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": "2026-08-26T14:34:25.792Z",
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"datePublished": "2026-09-04T15:12:52.980Z",
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"dateUpdated": "2026-11-06T17:05:54.242Z"
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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": "2026-10-19T08:43:36.573Z"
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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: core: fix OOB read of field->usage in hid_set_field()\n\nhid_set_field() hands field->usage + offset to hid_dump_input() before\nthe guard that bounds offset:\n\n\thid_dump_input(field->report->device, field->usage + offset, value);\n\n\tif (offset >= field->report_count) {\n\t\thid_err(...);\n\t\treturn -1;\n\t}\n\nUnder CONFIG_DEBUG_FS hid_dump_input() dereferences that pointer, with\nbuf = hid_resolv_usage(usage->hid, NULL). The usage[] array is\nallocated inline with the hid_field in hid_register_field() and holds\nfield->maxusage entries, so an offset past it reads off the end of the\nkvzalloc()ed allocation and into a neighbouring object. Had the guard\nrun first, offset < report_count <= maxusage would already have confined\nthe pointer to the array.\n\nA caller supplies such an offset today. picolcd_fb_send_tile()\nvalidates only report->maxfield before issuing\nhid_set_field(report->field[0], 11 + i, ...) for i = 0..31, so its\noffsets are fixed at 11..42 and are never checked against the bound\nfield. When the device registers that field with fewer usages, the\nframebuffer deferred-io work drives the read on every tile. KASAN\nreports a 4-byte slab-out-of-bounds read in hid_dump_input() below\nhid_set_field(), and the same boot logs \"offset (1) exceeds\nreport_count (1)\" from the guard that runs only afterwards.\n\nMove the hid_dump_input() call below the guard. Because\nfield->maxusage >= field->report_count, the guard then establishes that\nfield->usage + offset lies inside the array before it is dereferenced,\nfor every caller and without changing behaviour on the valid path.\n\nDiscovered by XBOW, triaged by Baul Lee <baul.lee@xbow.com>"
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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-core.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": "465544b3d6602cfbdc2305d5cbfb7f4954353b63",
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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": "4993e1ab85d7d3f4a40d81852170f9665483bbd8",
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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": "313ead1abed945544703b100a12c5a10fdf78409",
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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": "c1d9c16af51cc6ff92a5a062617d3b022dd01078",
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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": "a38212687519f2a72f43e62dec1348a690412404",
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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": "9a1d7c5f0d82e8665715d5e47c9410c6a97e3748",
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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": "5215ea00a747eca34cb2f603cfef91fef76c2558",
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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": "cbcc0e8dea499e5ca86b583372ccb1815cccc570",
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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": "a13cdb19fcb223ed41bdab3bab42b98dba87e90b",
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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-core.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": "5.10.267",
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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": "5.15.218",
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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": "6.1.185",
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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": "6.6.154",
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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": "6.12.106",
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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": "6.18.47",
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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": "7.1.11",
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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": "7.2.1",
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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": "5.10.267"
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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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"versionEndExcluding": "5.15.218"
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"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
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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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"references": [
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{
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"url": "https://git.kernel.org/stable/c/465544b3d6602cfbdc2305d5cbfb7f4954353b63"
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},
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{
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"url": "https://git.kernel.org/stable/c/4993e1ab85d7d3f4a40d81852170f9665483bbd8"
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},
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{
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"url": "https://git.kernel.org/stable/c/313ead1abed945544703b100a12c5a10fdf78409"
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},
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{
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"url": "https://git.kernel.org/stable/c/c1d9c16af51cc6ff92a5a062617d3b022dd01078"
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},
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{
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"url": "https://git.kernel.org/stable/c/a38212687519f2a72f43e62dec1348a690412404"
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},
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{
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"url": "https://git.kernel.org/stable/c/9a1d7c5f0d82e8665715d5e47c9410c6a97e3748"
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},
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{
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"url": "https://git.kernel.org/stable/c/5215ea00a747eca34cb2f603cfef91fef76c2558"
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},
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{
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"url": "https://git.kernel.org/stable/c/cbcc0e8dea499e5ca86b583372ccb1815cccc570"
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},
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{
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"url": "https://git.kernel.org/stable/c/a13cdb19fcb223ed41bdab3bab42b98dba87e90b"
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}
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],
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"title": "HID: core: fix OOB read of field->usage in hid_set_field()",
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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-2026-80781",
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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": "2026-11-06T17:03:21.768904Z"
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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": "2026-11-06T17:05:54.242Z"
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}
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}
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]
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}
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} |