206 lines
9.7 KiB
JSON
206 lines
9.7 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-2026-68418",
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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": "2026-07-30T09:28:09.391Z",
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"datePublished": "2026-08-10T12:04:38.930Z",
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"dateUpdated": "2026-10-30T12:28:34.156Z"
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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": "2026-10-30T12:28:34.156Z"
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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\nRDMA/irdma: Prevent user-triggered null deref on QP create\n\nPreviously, the user QP creation path would only attempt to\npopulate iwqp->iwpbl if the user-provided req.user_wqe_bufs\nfield was non-zero. The problem is that iwqp->iwpbl is\nunconditionally dereferenced later on in irdma_setup_virt_qp.\n\nWhile there was a check for iwqp->iwpbl != NULL, this check\nwould only occur if req.user_wqe_bufs was non-zero. The end\nresult is that a user could send a zero user_wqe_bufs value\nand trigger a null ptr deref.\n\nFix this by unconditionally calling irdma_get_pbl and bailing\nif it fails, similar to the CQ and SRQ paths."
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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/infiniband/hw/irdma/verbs.c"
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],
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"versions": [
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{
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"version": "b48c24c2d710cf34810c555dcef883a3d35a9c08",
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"lessThan": "4e75028c000e9560a7ff66a23d7cd872a967ab7e",
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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": "b48c24c2d710cf34810c555dcef883a3d35a9c08",
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"lessThan": "d52ff592abfcd56234f266aa245c489f70b1c554",
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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": "b48c24c2d710cf34810c555dcef883a3d35a9c08",
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"lessThan": "ad68e0b759f9569f0dfea84f035c91eadb979802",
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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": "b48c24c2d710cf34810c555dcef883a3d35a9c08",
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"lessThan": "ec675b4cdfd378d8c9dd8c93126c024f2469bd79",
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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": "b48c24c2d710cf34810c555dcef883a3d35a9c08",
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"lessThan": "728211c815f6eef28dd3df2a5b6297483185aa20",
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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": "b48c24c2d710cf34810c555dcef883a3d35a9c08",
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"lessThan": "b9b0889071569d43623c260074e159cd8f26adb1",
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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/infiniband/hw/irdma/verbs.c"
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],
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"versions": [
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{
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"version": "5.14",
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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": "5.14",
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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": "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": "6.12.114",
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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": "6.18.42",
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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": "7.1.6",
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"lessThanOrEqual": "7.1.*",
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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": "7.2",
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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": "5.14",
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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": "5.14",
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"versionEndExcluding": "6.6.160"
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"versionStartIncluding": "5.14",
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"versionEndExcluding": "7.1.6"
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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/4e75028c000e9560a7ff66a23d7cd872a967ab7e"
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},
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{
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"url": "https://git.kernel.org/stable/c/d52ff592abfcd56234f266aa245c489f70b1c554"
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},
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{
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"url": "https://git.kernel.org/stable/c/ad68e0b759f9569f0dfea84f035c91eadb979802"
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},
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{
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"url": "https://git.kernel.org/stable/c/ec675b4cdfd378d8c9dd8c93126c024f2469bd79"
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},
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{
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"url": "https://git.kernel.org/stable/c/728211c815f6eef28dd3df2a5b6297483185aa20"
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},
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{
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"url": "https://git.kernel.org/stable/c/b9b0889071569d43623c260074e159cd8f26adb1"
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}
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],
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"title": "RDMA/irdma: Prevent user-triggered null deref on QP create",
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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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} |