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-2026-99008",
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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": "2026-09-25T10:25:14.385Z",
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"datePublished": "2026-10-23T12:20:33.355Z",
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"dateUpdated": "2026-10-30T12:40:53.373Z"
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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": "2026-10-30T12:40:53.373Z"
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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\nBluetooth: RFCOMM: Fix NULL tty_dev dereference in rfcomm_dev_shutdown\n\nsyzbot hit a NULL pointer dereference in rfcomm_dev_shutdown() when an\nRFCOMM tty is closed.\n\nrfcomm_dev_add() puts the new device on rfcomm_dev_list first and only\nthen registers the tty device and saves it in dev->tty_dev. If that\nregistration fails, dev->tty_dev is never set at all. The device can be\nlooked up in the meantime, so an open() of /dev/rfcommN gets through\nrfcomm_tty_install() and attaches to it. When that tty is closed again,\nrfcomm_dev_shutdown() uses dev->tty_dev without checking it:\n\n Oops: general protection fault, probably for non-canonical address\n KASAN: null-ptr-deref in range [0x0000000000000040-0x0000000000000047]\n RIP: 0010:rfcomm_dev_shutdown+0x48/0xb0 net/bluetooth/rfcomm/tty.c:131\n Call Trace:\n tty_port_shutdown+0x1bf/0x220 drivers/tty/tty_port.c:372\n tty_port_close+0x4e/0x150 drivers/tty/tty_port.c:705\n tty_release+0x359/0x1670 drivers/tty/tty_io.c:1718\n __fput+0x418/0xa50 fs/file_table.c:512\n\nrfcomm_dev_destruct() already copes with a NULL dev->tty_dev. Add the\nsame check to rfcomm_dev_shutdown(), so the tty device is only moved\nwhen it was actually registered."
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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/bluetooth/rfcomm/tty.c"
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],
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"versions": [
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{
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"version": "cad348a17e170451ea8688b532a6ca3e98c63b60",
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"lessThan": "b2b915042be073637d9f93dc51ef15fc0685ae8a",
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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": "cad348a17e170451ea8688b532a6ca3e98c63b60",
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"lessThan": "a43452d8c1015ac2f0e43ff946be5425427b02cc",
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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": "cad348a17e170451ea8688b532a6ca3e98c63b60",
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"lessThan": "3f6394f6c6d1b6817065d3b402f55d437063a704",
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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": "cad348a17e170451ea8688b532a6ca3e98c63b60",
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"lessThan": "d5c372ad03330f02962d4860df4d355ab25487df",
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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": "cad348a17e170451ea8688b532a6ca3e98c63b60",
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"lessThan": "3fd5164bdb04635caa7942ddb554b0ec699a9433",
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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": "cad348a17e170451ea8688b532a6ca3e98c63b60",
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"lessThan": "a661f401f83b8462f2d424e0a1a72b7681e92ea2",
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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": "cad348a17e170451ea8688b532a6ca3e98c63b60",
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"lessThan": "d0aef0b0374678153244f162df507106d728af39",
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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": "cad348a17e170451ea8688b532a6ca3e98c63b60",
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"lessThan": "08e90633377f1b2567ab5ad6810b74c552246a07",
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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/bluetooth/rfcomm/tty.c"
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],
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"versions": [
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{
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"version": "3.12",
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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": "3.12",
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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": "5.10.273",
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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": "5.15.224",
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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": "6.1.191",
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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": "6.6.160",
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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": "6.12.113",
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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": "6.18.57",
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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": "7.2.11",
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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": "3.12",
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"versionEndExcluding": "5.10.273"
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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": "3.12",
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"versionEndExcluding": "5.15.224"
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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": "3.12",
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"versionEndExcluding": "6.1.191"
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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": "3.12",
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"versionEndExcluding": "6.6.160"
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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": "3.12",
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"versionEndExcluding": "6.12.113"
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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": "3.12",
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"versionEndExcluding": "6.18.57"
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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": "3.12",
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"versionEndExcluding": "7.2.11"
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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": "3.12",
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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/b2b915042be073637d9f93dc51ef15fc0685ae8a"
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},
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{
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"url": "https://git.kernel.org/stable/c/a43452d8c1015ac2f0e43ff946be5425427b02cc"
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},
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{
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"url": "https://git.kernel.org/stable/c/3f6394f6c6d1b6817065d3b402f55d437063a704"
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},
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{
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"url": "https://git.kernel.org/stable/c/d5c372ad03330f02962d4860df4d355ab25487df"
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},
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{
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"url": "https://git.kernel.org/stable/c/3fd5164bdb04635caa7942ddb554b0ec699a9433"
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},
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{
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"url": "https://git.kernel.org/stable/c/a661f401f83b8462f2d424e0a1a72b7681e92ea2"
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},
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{
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"url": "https://git.kernel.org/stable/c/d0aef0b0374678153244f162df507106d728af39"
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},
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{
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"url": "https://git.kernel.org/stable/c/08e90633377f1b2567ab5ad6810b74c552246a07"
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}
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],
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"title": "Bluetooth: RFCOMM: Fix NULL tty_dev dereference in rfcomm_dev_shutdown",
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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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} |