248 lines
12 KiB
JSON
248 lines
12 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-2026-80783",
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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": "2026-09-04T15:12:54.859Z",
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"dateUpdated": "2026-10-19T08:43:38.543Z"
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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": "2026-10-19T08:43:38.543Z"
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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: magicmouse: prevent unbounded recursion in magicmouse_raw_event()\n\nmagicmouse_raw_event() handles DOUBLE_REPORT_ID (0xf7) packets, which pack\ntwo touch reports into one, by splitting the packet and calling itself on\neach half. The only guard against runaway recursion is a \"size < 1\" check,\nwhich stops zero-sized calls but does not bound the recursion depth.\n\nA malicious HID device that matches this driver can send a report starting\nwith DOUBLE_REPORT_ID and filled with the sequence [0xf7, 0x00]. Each level\nconsumes two bytes and recurses on the remainder, so an incoming report of\nup to HID_MAX_BUFFER_SIZE (16 KiB) drives roughly 8000 nested calls. That\neasily exhausts the 16 KiB kernel stack, leading to a stack overflow: a\npanic with CONFIG_VMAP_STACK, or memory corruption without it.\n\nA double report only ever wraps two normal reports; it is never\nlegitimately nested. Refuse to re-enter the DOUBLE_REPORT_ID case from a\nrecursive call so the recursion depth is bounded to two, while all valid\npackets keep being parsed exactly as before."
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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-magicmouse.c"
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],
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"versions": [
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{
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"version": "a462230e16acc8664145216da3c928d03556691a",
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"lessThan": "26c45abed62536aabf4033fb6d64cf72e93374e9",
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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": "a462230e16acc8664145216da3c928d03556691a",
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"lessThan": "8a10a624996f16628234306b46f0cf36707d78bd",
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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": "a462230e16acc8664145216da3c928d03556691a",
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"lessThan": "d16df755b4493b6d37803c628b2c621d096796a8",
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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": "a462230e16acc8664145216da3c928d03556691a",
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"lessThan": "bec338b07beb883726b32192c8f01c601bc76fda",
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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": "a462230e16acc8664145216da3c928d03556691a",
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"lessThan": "70589b0c005db003f6d8ae4db3c4d54fed7b83e4",
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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": "a462230e16acc8664145216da3c928d03556691a",
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"lessThan": "a33a596d3ad8dfe6c96a368097a028abeee16c17",
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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": "a462230e16acc8664145216da3c928d03556691a",
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"lessThan": "d095de37f78c5f32a4252ef0f99b84ba76550b86",
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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": "a462230e16acc8664145216da3c928d03556691a",
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"lessThan": "db8d634128d2ba88d79c0b601e983ebe14bb0519",
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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-magicmouse.c"
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],
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"versions": [
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{
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"version": "2.6.37",
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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": "2.6.37",
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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": "5.15.220",
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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": "6.1.187",
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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": "6.6.156",
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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": "6.12.108",
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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": "6.18.49",
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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": "2.6.37",
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"versionEndExcluding": "5.15.220"
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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": "2.6.37",
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"versionEndExcluding": "6.1.187"
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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": "2.6.37",
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"versionEndExcluding": "6.6.156"
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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": "2.6.37",
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"versionEndExcluding": "6.12.108"
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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": "2.6.37",
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"versionEndExcluding": "6.18.49"
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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": "2.6.37",
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"versionEndExcluding": "7.1.11"
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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": "2.6.37",
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"versionEndExcluding": "7.2.1"
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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": "2.6.37",
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"versionEndExcluding": "7.3"
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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/26c45abed62536aabf4033fb6d64cf72e93374e9"
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},
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{
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"url": "https://git.kernel.org/stable/c/8a10a624996f16628234306b46f0cf36707d78bd"
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},
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{
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"url": "https://git.kernel.org/stable/c/d16df755b4493b6d37803c628b2c621d096796a8"
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},
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{
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"url": "https://git.kernel.org/stable/c/bec338b07beb883726b32192c8f01c601bc76fda"
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},
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{
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"url": "https://git.kernel.org/stable/c/70589b0c005db003f6d8ae4db3c4d54fed7b83e4"
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},
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{
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"url": "https://git.kernel.org/stable/c/a33a596d3ad8dfe6c96a368097a028abeee16c17"
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},
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{
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"url": "https://git.kernel.org/stable/c/d095de37f78c5f32a4252ef0f99b84ba76550b86"
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},
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{
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"url": "https://git.kernel.org/stable/c/db8d634128d2ba88d79c0b601e983ebe14bb0519"
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}
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],
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"title": "HID: magicmouse: prevent unbounded recursion in magicmouse_raw_event()",
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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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} |