346 lines
16 KiB
JSON
346 lines
16 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-2026-80988",
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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": "2026-08-26T14:34:25.811Z",
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"datePublished": "2026-09-11T19:42:46.228Z",
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"dateUpdated": "2026-10-19T08:46:12.548Z"
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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": "2026-10-19T08:46:12.548Z"
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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\nNTB: ntb_transport: Fail TX enqueue when the QP link is down\n\nCommit f195a1a6fe41 (\"ntb: Drop packets when qp link is down\") meant to\nmake ntb_transport_tx_enqueue() drop packets submitted while the QP link\nis down, but it only returns 0 without consuming the packet. Zero means\nsuccess by this function's contract, so ntb_netdev reports NETDEV_TX_OK\nand forgets the skb: nothing queued it, nothing frees it, and it leaks,\none skb for every transmit racing a link-down.\n\nReturn -ENOLINK instead, restoring the contract that a non-zero return\nleaves the buffer owned by the caller. With the preceding patch,\nntb_netdev frees the skb on non-retryable enqueue failures and returns\nNETDEV_TX_OK, so a packet racing with link-down is dropped without leaking\nor entering a busy retry loop."
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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/ntb/ntb_transport.c"
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],
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"versions": [
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{
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"version": "3cfdc448e8bfa8a7eaa5af87f357330566124b78",
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"lessThan": "76c9ccc0c6bebfc74c0e727eda67687f5103ab06",
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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": "bfa051f650a7708183bd86901ca4645dcf88c486",
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"lessThan": "96d792c65b9d5f7f9dd86a1004315db59e450c07",
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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": "4f4af6b8b7a23fa37decaf43b55403e6bfd8e219",
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"lessThan": "45cc11035165918dd1f81796ea98f81ece20d361",
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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": "f195a1a6fe416882984f8bd6c61afc1383171860",
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"lessThan": "e6cc541fab01099fd8efadfa4f13afdf118bf536",
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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": "f195a1a6fe416882984f8bd6c61afc1383171860",
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"lessThan": "5eca0d899a3be661a7e2caaaa7467a6fa15d756c",
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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": "f195a1a6fe416882984f8bd6c61afc1383171860",
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"lessThan": "894e136b432da75c0352c80299807a5c4b04f167",
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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": "f195a1a6fe416882984f8bd6c61afc1383171860",
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"lessThan": "89177732fe1653bbfef10cf5d99bf20cf57762c2",
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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": "f195a1a6fe416882984f8bd6c61afc1383171860",
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"lessThan": "873ce713fef5dde0939220f04f3484ec86a16fba",
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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": "aa6d6ed213b62cbdb09ea32abbfa085dd987a0c9",
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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": "a8986a61ebee0b54c5d648444fbae09bd1c6dcd2",
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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": "94491412a2afc8a5aea4c5b455aed86d3486f0b1",
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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": "c2cd5d993f57f819d46fe62387d3cc34d8468e60",
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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": "449b1978d4e50b14b2a4de3a26d0b074593926a3",
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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": "5.10.195",
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"lessThan": "5.10.270",
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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": "5.15.132",
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"lessThan": "5.15.221",
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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": "6.1.53",
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"lessThan": "6.1.188",
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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": "4.14.326",
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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": "4.19.295",
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"lessThan": "4.20",
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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": "5.4.257",
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"lessThan": "5.5",
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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": "6.4.16",
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"lessThan": "6.5",
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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": "6.5.3",
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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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"drivers/ntb/ntb_transport.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": "5.10.270",
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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": "5.15.221",
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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": "6.12.109",
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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": "6.18.50",
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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": "7.2.4",
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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": "5.10.195",
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"versionEndExcluding": "5.10.270"
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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": "5.15.132",
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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": "6.1.53",
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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": "6.6",
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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": "6.6",
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"versionEndExcluding": "7.2.4"
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},
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},
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"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
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"versionStartIncluding": "4.14.326"
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},
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{
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"vulnerable": true,
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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": "5.4.257"
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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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},
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{
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"vulnerable": true,
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"versionStartIncluding": "6.5.3"
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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/76c9ccc0c6bebfc74c0e727eda67687f5103ab06"
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},
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{
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"url": "https://git.kernel.org/stable/c/96d792c65b9d5f7f9dd86a1004315db59e450c07"
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},
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{
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"url": "https://git.kernel.org/stable/c/45cc11035165918dd1f81796ea98f81ece20d361"
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},
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{
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"url": "https://git.kernel.org/stable/c/e6cc541fab01099fd8efadfa4f13afdf118bf536"
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},
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{
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"url": "https://git.kernel.org/stable/c/5eca0d899a3be661a7e2caaaa7467a6fa15d756c"
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},
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{
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"url": "https://git.kernel.org/stable/c/894e136b432da75c0352c80299807a5c4b04f167"
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},
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{
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"url": "https://git.kernel.org/stable/c/89177732fe1653bbfef10cf5d99bf20cf57762c2"
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},
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{
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"url": "https://git.kernel.org/stable/c/873ce713fef5dde0939220f04f3484ec86a16fba"
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}
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],
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"title": "NTB: ntb_transport: Fail TX enqueue when the QP link is down",
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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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} |