227 lines
11 KiB
JSON
227 lines
11 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-2026-90257",
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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": "2026-09-11T19:38:34.796Z",
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"datePublished": "2026-09-17T16:07:56.089Z",
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"dateUpdated": "2026-10-19T09:00:33.856Z"
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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": "2026-10-19T09:00:33.856Z"
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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: virtio_bt: avoid OOB read of build info string\n\nThe virtbt_setup_zephyr() sends the Zephyr vendor command 0xfc08 (Read\nBuild Information) and hands the response to bt_dev_info() and\nhci_set_fw_info() as a \"%s\" string starting at skb->data + 1, without\nchecking the length. A backend that answers with status only leaves that\npointer past the end of the received data, so the walk reads adjacent\nslab memory until it meets a NUL. Those bytes reach the kernel log and\nthe firmware-info debugfs file.\n\nTo fix this, print the string with a bounded \"%.*s\" limited to\nskb->len - 1. A short or unterminated response then prints as much as\narrived instead of failing setup.\n\nThis mirrors commit dd068ef04412 (\"Bluetooth: bpa10x: avoid OOB read of\nrevision string in bpa10x_setup()\"), which fixed the identical pattern."
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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/bluetooth/virtio_bt.c"
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],
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"versions": [
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{
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"version": "afd2daa26c7abd734d78bd274fc6c59a15e61063",
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"lessThan": "fb445b3466a8d1c7a0b0d0676fb475e3ce22d94e",
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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": "afd2daa26c7abd734d78bd274fc6c59a15e61063",
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"lessThan": "d08c99abf06133a7829d46627e77e3315ca974d2",
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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": "afd2daa26c7abd734d78bd274fc6c59a15e61063",
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"lessThan": "0e388d805233a883a31271676eae6031dfc9e898",
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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": "afd2daa26c7abd734d78bd274fc6c59a15e61063",
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"lessThan": "54e9387eb7546eaa6f600220599d55740956ffc3",
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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": "afd2daa26c7abd734d78bd274fc6c59a15e61063",
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"lessThan": "be1e3df2c49c91b0a052c6563884e8d39bd768b2",
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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": "afd2daa26c7abd734d78bd274fc6c59a15e61063",
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"lessThan": "84ea9c99874804f5ca13f35bbc186ba93902f30f",
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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": "afd2daa26c7abd734d78bd274fc6c59a15e61063",
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"lessThan": "502adc06ba76dee19c292ae4a07d74d202fe734d",
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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/bluetooth/virtio_bt.c"
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],
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"versions": [
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{
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"version": "5.13",
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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": "5.13",
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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": "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": "5.13",
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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": "5.13",
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"versionEndExcluding": "6.1.188"
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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": "5.13",
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"versionEndExcluding": "6.6.157"
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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": "5.13",
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"versionEndExcluding": "6.12.110"
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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": "5.13",
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"versionEndExcluding": "6.18.52"
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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": "5.13",
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"versionEndExcluding": "7.2.6"
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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": "5.13",
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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/fb445b3466a8d1c7a0b0d0676fb475e3ce22d94e"
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},
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{
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"url": "https://git.kernel.org/stable/c/d08c99abf06133a7829d46627e77e3315ca974d2"
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},
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{
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"url": "https://git.kernel.org/stable/c/0e388d805233a883a31271676eae6031dfc9e898"
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},
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{
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"url": "https://git.kernel.org/stable/c/54e9387eb7546eaa6f600220599d55740956ffc3"
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},
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{
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"url": "https://git.kernel.org/stable/c/be1e3df2c49c91b0a052c6563884e8d39bd768b2"
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},
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{
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"url": "https://git.kernel.org/stable/c/84ea9c99874804f5ca13f35bbc186ba93902f30f"
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},
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{
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"url": "https://git.kernel.org/stable/c/502adc06ba76dee19c292ae4a07d74d202fe734d"
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}
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],
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"title": "Bluetooth: virtio_bt: avoid OOB read of build info string",
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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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} |