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-2022-49942",
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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": "2025-06-18T10:57:27.381Z",
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"datePublished": "2025-06-18T10:59:57.610Z",
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"dateUpdated": "2026-05-11T19:09:39.486Z"
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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": "2026-05-11T19:09:39.486Z"
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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\nwifi: mac80211: Don't finalize CSA in IBSS mode if state is disconnected\n\nWhen we are not connected to a channel, sending channel \"switch\"\nannouncement doesn't make any sense.\n\nThe BSS list is empty in that case. This causes the for loop in\ncfg80211_get_bss() to be bypassed, so the function returns NULL\n(check line 1424 of net/wireless/scan.c), causing the WARN_ON()\nin ieee80211_ibss_csa_beacon() to get triggered (check line 500\nof net/mac80211/ibss.c), which was consequently reported on the\nsyzkaller dashboard.\n\nThus, check if we have an existing connection before generating\nthe CSA beacon in ieee80211_ibss_finish_csa()."
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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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"net/mac80211/ibss.c"
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],
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"versions": [
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{
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"version": "cd7760e62c2ac8581f050b2d36501d1a60beaf83",
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"lessThan": "cdb9a8da9b84800eb15506cd9363cf0cf059e677",
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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": "cd7760e62c2ac8581f050b2d36501d1a60beaf83",
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"lessThan": "1691a48aef0a82d1754b9853dae7e3f5cacdf70b",
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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": "cd7760e62c2ac8581f050b2d36501d1a60beaf83",
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"lessThan": "d9eb37db6a28b59a95a3461450ee209654c5f95b",
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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": "cd7760e62c2ac8581f050b2d36501d1a60beaf83",
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"lessThan": "66689c5c02acd4d76c28498fe220998610aec61e",
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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": "cd7760e62c2ac8581f050b2d36501d1a60beaf83",
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"lessThan": "dd649b49219a0388cc10fc40e4c2ea681566a780",
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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": "cd7760e62c2ac8581f050b2d36501d1a60beaf83",
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"lessThan": "552ba102a6898630a7d16887f29e606d6fabe508",
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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": "cd7760e62c2ac8581f050b2d36501d1a60beaf83",
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"lessThan": "864e280cb3a9a0f5212b16ef5057c4e692f7039d",
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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": "cd7760e62c2ac8581f050b2d36501d1a60beaf83",
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"lessThan": "15bc8966b6d3a5b9bfe4c9facfa02f2b69b1e5f0",
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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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"net/mac80211/ibss.c"
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],
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"versions": [
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{
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"version": "3.13",
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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": "3.13",
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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": "4.9.328",
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"lessThanOrEqual": "4.9.*",
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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": "4.14.293",
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"lessThanOrEqual": "4.14.*",
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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": "4.19.258",
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"lessThanOrEqual": "4.19.*",
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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": "5.4.213",
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"lessThanOrEqual": "5.4.*",
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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": "5.10.142",
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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": "5.15.66",
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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": "5.19.8",
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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": "3.13",
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"versionEndExcluding": "4.9.328"
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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": "3.13",
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"versionEndExcluding": "4.14.293"
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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": "3.13",
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"versionEndExcluding": "4.19.258"
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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": "3.13",
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"versionEndExcluding": "5.4.213"
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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": "3.13",
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"versionEndExcluding": "5.10.142"
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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": "3.13",
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"versionEndExcluding": "5.15.66"
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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": "3.13",
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"versionEndExcluding": "5.19.8"
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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": "3.13",
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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/cdb9a8da9b84800eb15506cd9363cf0cf059e677"
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},
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{
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"url": "https://git.kernel.org/stable/c/1691a48aef0a82d1754b9853dae7e3f5cacdf70b"
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},
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{
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"url": "https://git.kernel.org/stable/c/d9eb37db6a28b59a95a3461450ee209654c5f95b"
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},
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{
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"url": "https://git.kernel.org/stable/c/66689c5c02acd4d76c28498fe220998610aec61e"
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},
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{
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"url": "https://git.kernel.org/stable/c/dd649b49219a0388cc10fc40e4c2ea681566a780"
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},
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{
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"url": "https://git.kernel.org/stable/c/552ba102a6898630a7d16887f29e606d6fabe508"
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},
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{
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"url": "https://git.kernel.org/stable/c/864e280cb3a9a0f5212b16ef5057c4e692f7039d"
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},
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{
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"url": "https://git.kernel.org/stable/c/15bc8966b6d3a5b9bfe4c9facfa02f2b69b1e5f0"
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}
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],
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"title": "wifi: mac80211: Don't finalize CSA in IBSS mode if state is disconnected",
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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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} |