291 lines
14 KiB
JSON
291 lines
14 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-2026-90209",
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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": "2026-09-11T19:38:34.793Z",
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"datePublished": "2026-09-17T16:07:24.126Z",
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"dateUpdated": "2026-10-19T08:59:45.470Z"
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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": "2026-10-19T08:59:45.470Z"
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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\ns390/debug: Fix deadlock during unregister\n\nUnregistering an s390dbf debug area while one of the associated debugfs\nfiles is being written to can cause a deadlock:\n\n$ echo >.../vmur/level $ rmmod vmur\n===================================================\ndebugfs write\ndebugfs_file_get()\n debug_unregister()\n mutex_lock(debug_mutex)\n debugfs_remove()\n wait for debugfs_file_put()\ndebug_file_ops.write()\ndebug_input()\nmutex_lock(debug_mutex) ==> DEADLOCK\n\nFix this by splitting debug_unregister() into an s390dbf and debugfs\npart, and running only the s390dbf part with debug_mutex locked."
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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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"arch/s390/kernel/debug.c"
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],
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"versions": [
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{
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"version": "9372a82892c2caa6bccab9a4081166fa769699f8",
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"lessThan": "a214c3dacc779b2afcb0ac9c8001e45ee4ffb2ed",
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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": "9372a82892c2caa6bccab9a4081166fa769699f8",
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"lessThan": "183f8f6d64bb0510070c856b9927618c53014a7b",
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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": "9372a82892c2caa6bccab9a4081166fa769699f8",
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"lessThan": "a08b70ed2d1ec907353a72f15163b8e34ff4b2f8",
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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": "9372a82892c2caa6bccab9a4081166fa769699f8",
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"lessThan": "45bb341d1b73eb293e0dd43d9b72bbc8b615d0ba",
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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": "9372a82892c2caa6bccab9a4081166fa769699f8",
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"lessThan": "5d83f3faa3fb7f23f298cfd40382611999de5d1d",
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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": "9372a82892c2caa6bccab9a4081166fa769699f8",
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"lessThan": "54e1259b75d6402a1d0cfb822b9bb2c507e53dab",
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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": "9372a82892c2caa6bccab9a4081166fa769699f8",
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"lessThan": "445c31ac638fd1af203d79bdf25fc0cb3149fbbc",
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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": "c68ba4a708fbd0efdc384cd29250bb292a45e559",
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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": "86f9980909f31ab205323eeeb290fe3cbb4952b4",
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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": "fe5793e90d3f572a87ba67fe2f0e1679fdff14f8",
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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": "e234f66168f0d50c0d28154fb983a14e85c3c526",
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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": "5.4.146",
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"lessThan": "5.5",
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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": "5.10.65",
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"lessThan": "5.11",
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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": "5.13.17",
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"lessThan": "5.14",
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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": "5.14.4",
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"lessThan": "5.15",
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"status": "affected",
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"versionType": "semver"
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}
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]
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},
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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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"arch/s390/kernel/debug.c"
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],
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"versions": [
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{
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"version": "5.15",
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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": "5.15",
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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": "5.15.221",
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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": "6.1.188",
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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": "6.6.157",
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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": "6.12.110",
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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": "6.18.52",
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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": "7.2.6",
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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": "5.15",
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"versionEndExcluding": "5.15.221"
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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": "5.15",
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"versionEndExcluding": "6.1.188"
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},
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},
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"versionStartIncluding": "5.13.17"
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},
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{
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"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
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"versionStartIncluding": "5.14.4"
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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/a214c3dacc779b2afcb0ac9c8001e45ee4ffb2ed"
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},
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{
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"url": "https://git.kernel.org/stable/c/183f8f6d64bb0510070c856b9927618c53014a7b"
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},
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{
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"url": "https://git.kernel.org/stable/c/a08b70ed2d1ec907353a72f15163b8e34ff4b2f8"
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},
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{
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"url": "https://git.kernel.org/stable/c/45bb341d1b73eb293e0dd43d9b72bbc8b615d0ba"
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},
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{
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"url": "https://git.kernel.org/stable/c/5d83f3faa3fb7f23f298cfd40382611999de5d1d"
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},
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{
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"url": "https://git.kernel.org/stable/c/54e1259b75d6402a1d0cfb822b9bb2c507e53dab"
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},
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{
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"url": "https://git.kernel.org/stable/c/445c31ac638fd1af203d79bdf25fc0cb3149fbbc"
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}
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],
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"title": "s390/debug: Fix deadlock during unregister",
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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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} |