263 lines
12 KiB
JSON
263 lines
12 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-2026-74346",
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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": "2026-08-15T05:44:03.886Z",
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"datePublished": "2026-08-15T05:58:34.606Z",
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"dateUpdated": "2026-11-06T17:05:44.518Z"
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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": "2026-08-17T05:17:38.929Z"
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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: Fix OOB read during CQ MR registration\n\nSashiko pointed out an unrelated bug during a previous patch:\nhttps://sashiko.dev/#/patchset/20260512183852.614045-1-jmoroni%40google.com\n\nThis change fixes the bug by eliminating the cqmr->split field which\nwas not being set properly and instead just checks the CQ resize\nfeature flag directly.\n\nThe cqmr->split field essentially tracks whether IRDMA_FEATURE_CQ_RESIZE\nis set, but it was not being set until CQ creation time, which is _after_\nCQ memory registration (the only other place where it is referenced).\n\nAs a result, it would always be false during MR registration and would\ntherefore cause irdma_handle_q_mem to populate cqmr->shadow even for GEN_2\nHW and beyond:\n\n cqmr->shadow = (dma_addr_t)arr[req->cq_pages];\n\nThe issue is that for GEN_2 and beyond, req->cq_pages may be exactly equal\nto iwmr->page_cnt and therefore equal to the size of arr, which would cause\nan OOB read by one."
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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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"drivers/infiniband/hw/irdma/verbs.h"
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],
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"versions": [
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{
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"version": "b48c24c2d710cf34810c555dcef883a3d35a9c08",
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"lessThan": "a80b3b13786e9ab1c52b31a1f16c7d6708fa9220",
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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": "3159c6fac43dc24b34d31971884d98a7a1bf4c4b",
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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": "ad360a31092a870633ec255b96f50181628b4de0",
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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": "d566002de555b18cc395012c5c1cb8682fc6d2a9",
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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": "54cab78df0375196aaec4e3109191653d21751df",
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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": "d5aa82da8f65562da996d184686db9d0ea718b91",
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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": "4385ddd654d90245eeb83b3cb539670ab5c85ba4",
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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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"drivers/infiniband/hw/irdma/verbs.h"
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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": "5.15.212",
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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": "6.1.178",
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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": "6.6.145",
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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": "6.12.97",
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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": "6.18.40",
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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": "7.1.5",
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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": "5.15.212"
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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": "7.2"
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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/a80b3b13786e9ab1c52b31a1f16c7d6708fa9220"
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},
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{
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"url": "https://git.kernel.org/stable/c/3159c6fac43dc24b34d31971884d98a7a1bf4c4b"
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},
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{
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"url": "https://git.kernel.org/stable/c/ad360a31092a870633ec255b96f50181628b4de0"
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},
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{
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"url": "https://git.kernel.org/stable/c/d566002de555b18cc395012c5c1cb8682fc6d2a9"
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},
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{
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"url": "https://git.kernel.org/stable/c/54cab78df0375196aaec4e3109191653d21751df"
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},
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{
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"url": "https://git.kernel.org/stable/c/d5aa82da8f65562da996d184686db9d0ea718b91"
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},
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{
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"url": "https://git.kernel.org/stable/c/4385ddd654d90245eeb83b3cb539670ab5c85ba4"
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}
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],
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"title": "RDMA/irdma: Fix OOB read during CQ MR registration",
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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-2026-74346",
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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": "2026-11-06T16:56:22.704059Z"
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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": "2026-11-06T17:05:44.518Z"
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}
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}
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]
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}
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} |