414 lines
19 KiB
JSON
414 lines
19 KiB
JSON
{
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"dataType": "CVE_RECORD",
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"cveMetadata": {
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"cveId": "CVE-2024-26752",
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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": "2024-02-19T14:20:24.169Z",
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"datePublished": "2024-04-03T17:00:37.340Z",
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"dateUpdated": "2026-05-23T15:37:36.571Z"
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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": "2026-05-23T15:37:36.571Z"
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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\nl2tp: pass correct message length to ip6_append_data\n\nl2tp_ip6_sendmsg needs to avoid accounting for the transport header\ntwice when splicing more data into an already partially-occupied skbuff.\n\nTo manage this, we check whether the skbuff contains data using\nskb_queue_empty when deciding how much data to append using\nip6_append_data.\n\nHowever, the code which performed the calculation was incorrect:\n\n ulen = len + skb_queue_empty(&sk->sk_write_queue) ? transhdrlen : 0;\n\n...due to C operator precedence, this ends up setting ulen to\ntranshdrlen for messages with a non-zero length, which results in\ncorrupted packets on the wire.\n\nAdd parentheses to correct the calculation in line with the original\nintent."
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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/l2tp/l2tp_ip6.c"
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],
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"versions": [
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{
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"version": "559d697c5d072593d22b3e0bd8b8081108aeaf59",
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"lessThan": "4c3ce64bc9d36ca9164dd6c77ff144c121011aae",
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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": "1fc793d68d50dee4782ef2e808913d5dd880bcc6",
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"lessThan": "c1d3a84a67db910ce28a871273c992c3d7f9efb5",
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"status": "affected",
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},
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{
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"version": "96b2e1090397217839fcd6c9b6d8f5d439e705ed",
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"lessThan": "dcb4d14268595065c85dc5528056713928e17243",
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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": "cd1189956393bf850b2e275e37411855d3bd86bb",
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"lessThan": "0da15a70395182ee8cb75716baf00dddc0bea38d",
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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": "f6a7182179c0ed788e3755ee2ed18c888ddcc33f",
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"lessThan": "13cd1daeea848614e585b2c6ecc11ca9c8ab2500",
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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": "9d4c75800f61e5d75c1659ba201b6c0c7ead3070",
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"lessThan": "804bd8650a3a2bf3432375f8c97d5049d845ce56",
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"status": "affected",
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},
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{
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"version": "9d4c75800f61e5d75c1659ba201b6c0c7ead3070",
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"lessThan": "83340c66b498e49353530e41542500fc8a4782d6",
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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": "9d4c75800f61e5d75c1659ba201b6c0c7ead3070",
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"lessThan": "359e54a93ab43d32ee1bff3c2f9f10cb9f6b6e79",
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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": "7626b9fed53092aa2147978070e610ecb61af844",
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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": "fe80658c08e3001c80c5533cd41abfbb0e0e28fd",
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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": "4.19.296",
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"lessThan": "4.19.308",
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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": "5.4.258",
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"lessThan": "5.4.270",
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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": "5.10.198",
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"lessThan": "5.10.211",
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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": "5.15.135",
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"lessThan": "5.15.150",
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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": "6.1.57",
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"lessThan": "6.1.80",
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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": "4.14.327",
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"lessThan": "4.15",
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"status": "affected",
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"versionType": "semver"
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},
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{
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"version": "6.5.7",
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"lessThan": "6.6",
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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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"net/l2tp/l2tp_ip6.c"
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],
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"versions": [
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{
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"version": "6.6",
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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": "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": "4.19.308",
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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": "5.4.270",
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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": "5.10.211",
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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": "5.15.150",
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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": "6.1.80",
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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": "6.6.19",
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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": "6.7.7",
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"lessThanOrEqual": "6.7.*",
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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": "6.8",
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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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"nodes": [
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"operator": "OR",
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{
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{
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{
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"url": "https://git.kernel.org/stable/c/13cd1daeea848614e585b2c6ecc11ca9c8ab2500"
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{
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"url": "https://git.kernel.org/stable/c/804bd8650a3a2bf3432375f8c97d5049d845ce56"
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{
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{
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"url": "https://git.kernel.org/stable/c/359e54a93ab43d32ee1bff3c2f9f10cb9f6b6e79"
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}
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],
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"title": "l2tp: pass correct message length to ip6_append_data",
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}
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{
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"title": "CISA ADP Vulnrichment",
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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-2024-26752",
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"role": "CISA Coordinator",
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"options": [
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} |