282 lines
14 KiB
JSON
282 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-2022-48947",
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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": "2024-08-22T01:27:53.624Z",
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"datePublished": "2024-10-21T20:05:36.491Z",
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"dateUpdated": "2026-05-11T18:50:13.918Z"
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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": "2026-05-11T18:50:13.918Z"
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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: L2CAP: Fix u8 overflow\n\nBy keep sending L2CAP_CONF_REQ packets, chan->num_conf_rsp increases\nmultiple times and eventually it will wrap around the maximum number\n(i.e., 255).\nThis patch prevents this by adding a boundary check with\nL2CAP_MAX_CONF_RSP\n\nBtmon log:\nBluetooth monitor ver 5.64\n= Note: Linux version 6.1.0-rc2 (x86_64) 0.264594\n= Note: Bluetooth subsystem version 2.22 0.264636\n@ MGMT Open: btmon (privileged) version 1.22 {0x0001} 0.272191\n= New Index: 00:00:00:00:00:00 (Primary,Virtual,hci0) [hci0] 13.877604\n@ RAW Open: 9496 (privileged) version 2.22 {0x0002} 13.890741\n= Open Index: 00:00:00:00:00:00 [hci0] 13.900426\n(...)\n> ACL Data RX: Handle 200 flags 0x00 dlen 1033 #32 [hci0] 14.273106\n invalid packet size (12 != 1033)\n 08 00 01 00 02 01 04 00 01 10 ff ff ............\n> ACL Data RX: Handle 200 flags 0x00 dlen 1547 #33 [hci0] 14.273561\n invalid packet size (14 != 1547)\n 0a 00 01 00 04 01 06 00 40 00 00 00 00 00 ........@.....\n> ACL Data RX: Handle 200 flags 0x00 dlen 2061 #34 [hci0] 14.274390\n invalid packet size (16 != 2061)\n 0c 00 01 00 04 01 08 00 40 00 00 00 00 00 00 04 ........@.......\n> ACL Data RX: Handle 200 flags 0x00 dlen 2061 #35 [hci0] 14.274932\n invalid packet size (16 != 2061)\n 0c 00 01 00 04 01 08 00 40 00 00 00 07 00 03 00 ........@.......\n= bluetoothd: Bluetooth daemon 5.43 14.401828\n> ACL Data RX: Handle 200 flags 0x00 dlen 1033 #36 [hci0] 14.275753\n invalid packet size (12 != 1033)\n 08 00 01 00 04 01 04 00 40 00 00 00 ........@..."
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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/l2cap_core.c"
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],
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"versions": [
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{
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"version": "f2fcfcd670257236ebf2088bbdf26f6a8ef459fe",
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"lessThan": "49d5867819ab7c744852b45509e8469839c07e0e",
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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": "f2fcfcd670257236ebf2088bbdf26f6a8ef459fe",
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"lessThan": "95f1847a361c7b4bf7d74c06ecb6968455082c1a",
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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": "f2fcfcd670257236ebf2088bbdf26f6a8ef459fe",
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"lessThan": "ad528fde0702903208d0a79d88d5a42ae3fc235b",
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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": "f2fcfcd670257236ebf2088bbdf26f6a8ef459fe",
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"lessThan": "9fdc79b571434af7bc742da40a3405f038b637a7",
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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": "f2fcfcd670257236ebf2088bbdf26f6a8ef459fe",
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"lessThan": "f3fe6817156a2ad4b06f01afab04638a34d7c9a6",
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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": "f2fcfcd670257236ebf2088bbdf26f6a8ef459fe",
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"lessThan": "19a78143961a197de8502f4f29c453b913dc3c29",
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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": "f2fcfcd670257236ebf2088bbdf26f6a8ef459fe",
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"lessThan": "5550bbf709c323194881737fd290c4bada9e6ead",
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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": "f2fcfcd670257236ebf2088bbdf26f6a8ef459fe",
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"lessThan": "bcd70260ef56e0aee8a4fc6cd214a419900b0765",
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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/l2cap_core.c"
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],
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"versions": [
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{
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"version": "2.6.32",
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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": "2.6.32",
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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": "4.9.337",
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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": "4.14.303",
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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": "4.19.270",
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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": "5.4.229",
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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": "5.10.161",
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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": "5.15.85",
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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": "6.0.15",
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"lessThanOrEqual": "6.0.*",
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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",
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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": "2.6.32",
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"versionEndExcluding": "4.9.337"
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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": "2.6.32",
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"versionEndExcluding": "4.14.303"
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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": "2.6.32",
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"versionEndExcluding": "4.19.270"
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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": "2.6.32",
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"versionEndExcluding": "5.4.229"
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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": "2.6.32",
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"versionEndExcluding": "5.10.161"
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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": "2.6.32",
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"versionEndExcluding": "5.15.85"
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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": "2.6.32",
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"versionEndExcluding": "6.0.15"
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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": "2.6.32",
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"versionEndExcluding": "6.1"
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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/49d5867819ab7c744852b45509e8469839c07e0e"
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},
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{
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"url": "https://git.kernel.org/stable/c/95f1847a361c7b4bf7d74c06ecb6968455082c1a"
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},
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{
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"url": "https://git.kernel.org/stable/c/ad528fde0702903208d0a79d88d5a42ae3fc235b"
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},
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{
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"url": "https://git.kernel.org/stable/c/9fdc79b571434af7bc742da40a3405f038b637a7"
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},
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{
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"url": "https://git.kernel.org/stable/c/f3fe6817156a2ad4b06f01afab04638a34d7c9a6"
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},
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{
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"url": "https://git.kernel.org/stable/c/19a78143961a197de8502f4f29c453b913dc3c29"
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},
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{
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"url": "https://git.kernel.org/stable/c/5550bbf709c323194881737fd290c4bada9e6ead"
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},
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{
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"url": "https://git.kernel.org/stable/c/bcd70260ef56e0aee8a4fc6cd214a419900b0765"
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}
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],
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"title": "Bluetooth: L2CAP: Fix u8 overflow",
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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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"adp": [
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{
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"metrics": [
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{
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"other": {
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"type": "ssvc",
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"content": {
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"id": "CVE-2022-48947",
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"role": "CISA Coordinator",
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"options": [
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{
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"Exploitation": "none"
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},
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{
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"Automatable": "no"
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},
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{
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"Technical Impact": "partial"
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}
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],
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"version": "2.0.3",
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"timestamp": "2024-10-22T13:22:07.757358Z"
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}
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}
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}
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],
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"title": "CISA ADP Vulnrichment",
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"providerMetadata": {
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"orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
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"shortName": "CISA-ADP",
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"dateUpdated": "2024-10-22T13:28:41.276Z"
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}
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}
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]
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}
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} |