317 lines
16 KiB
JSON
317 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-2026-80609",
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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": "2026-08-26T14:34:25.773Z",
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"datePublished": "2026-08-28T06:48:32.751Z",
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"dateUpdated": "2026-10-16T19:26:30.519Z"
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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": "2026-08-29T06:21:19.318Z"
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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\nqede: fix out-of-bounds check for cqe->len_list[]\n\nMove index check before element access."
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}
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],
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"metrics": [
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{
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"cvssV3_1": {
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"version": "3.1",
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"vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H",
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"baseScore": 9.8,
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"baseSeverity": "CRITICAL"
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},
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"scenarios": [
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{
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"lang": "en",
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"value": "AV:N - The bug is in qede TPA completion handling on the NAPI RX fastpath; remote TCP traffic to a Marvell/QLogic FastLinQ NIC causes firmware to post TPA CQEs that are parsed in qede_poll()->qede_rx_int()->qede_rx_process_tpa_cqe()->qede_tpa_cont()/qede_tpa_end().\nAC:L - An attacker can repeatedly send high-rate crafted TCP bursts to maximize TPA aggregation BD counts so all len_list[] slots are non-zero, deterministically hitting the misordered bounds check without races, special memory layout, or victim-specific state.\nPR:N - Only the ability to send Ethernet/TCP packets to a listening host with a qede interface is required; RX and TPA CQE processing occur in softirq before any authentication, capability checks, or local account access.\nUI:N - No victim action is needed beyond normal network operation; packet reception, interrupt handling, and NAPI polling automatically process attacker-supplied frames and completion descriptors.\nS:U - The out-of-bounds read and resulting skb/RX-ring corruption stay within the host kernel security boundary and do not cross VM, container, IOMMU, or sandbox isolation by themselves.\nC:H - The loop reads past len_list[] into adjacent completion-descriptor memory before the bound check, and the same malformed CQE drives qede_fill_frag_skb() with attacker-influenced lengths that can leak uninitialized RX-ring/page data up the network stack.\nI:H - Extra qede_fill_frag_skb() iterations advance frag_id without MAX_SKB_FRAGS limits and consume RX BDs using firmware-supplied lengths, enabling controllable skb shared-info and RX-ring corruption exploitable for arbitrary kernel writes.\nA:H - Corrupted skb fragment metadata and desynchronized RX BD consumption reliably trigger kernel oops/panic or wedged RX processing in softirq, and the condition is remotely repeatable for sustained denial of service."
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}
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]
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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/net/ethernet/qlogic/qede/qede_fp.c"
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],
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"versions": [
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{
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"version": "ecbb12caf399d7cf364b7553ed5aebeaa2f255bc",
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"lessThan": "6d203bdd227fca1787f8a80cf84b990936633c5a",
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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": "a778912b4a53587ea07d85526d152f85d109cbfe",
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"lessThan": "bd3a6a083b408e96437dbd86ff543ba9ec3a788b",
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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": "f0923011c1261b33a2ac1de349256d39cb750dd0",
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"lessThan": "e30af53dca803893a29eb3bbe0539752ba435410",
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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": "917a9d02182ac8b4f25eb47dc02f3ec679608c24",
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"lessThan": "1aacefd074b5dcc99b8dbcd73e1c963ed5010110",
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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": "896f1a2493b59beb2b5ccdf990503dbb16cb2256",
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"lessThan": "b17751a2ebc4aef3ce6be6f71ee8df92bf5ddfcd",
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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": "896f1a2493b59beb2b5ccdf990503dbb16cb2256",
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"lessThan": "6d46ab395803f162cdc50e8d346e5f1a4e766771",
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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": "896f1a2493b59beb2b5ccdf990503dbb16cb2256",
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"lessThan": "f9ba47fce5932c15891c89c60e76dfaca919cb8d",
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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": "e441db07f208184e0466abf44b389a81d70c340e",
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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": "5.15.197",
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"lessThan": "5.15.212",
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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": "6.1.159",
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"lessThan": "6.1.178",
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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": "6.6.118",
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"lessThan": "6.6.145",
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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": "6.12.60",
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"lessThan": "6.12.97",
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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": "6.17.10",
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"lessThan": "6.18",
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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/net/ethernet/qlogic/qede/qede_fp.c"
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],
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"versions": [
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{
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"version": "6.18",
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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": "6.18",
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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": "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": "5.15.197",
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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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},
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"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
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"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
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"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
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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/6d203bdd227fca1787f8a80cf84b990936633c5a"
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},
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{
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"url": "https://git.kernel.org/stable/c/bd3a6a083b408e96437dbd86ff543ba9ec3a788b"
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},
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{
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"url": "https://git.kernel.org/stable/c/e30af53dca803893a29eb3bbe0539752ba435410"
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},
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{
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"url": "https://git.kernel.org/stable/c/1aacefd074b5dcc99b8dbcd73e1c963ed5010110"
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},
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{
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"url": "https://git.kernel.org/stable/c/b17751a2ebc4aef3ce6be6f71ee8df92bf5ddfcd"
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},
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{
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"url": "https://git.kernel.org/stable/c/6d46ab395803f162cdc50e8d346e5f1a4e766771"
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},
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{
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"url": "https://git.kernel.org/stable/c/f9ba47fce5932c15891c89c60e76dfaca919cb8d"
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}
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],
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"title": "qede: fix out-of-bounds check for cqe->len_list[]",
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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-2026-80609",
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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": "yes"
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},
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{
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"Technical Impact": "total"
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}
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],
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"version": "2.0.3",
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"timestamp": "2026-10-16T19:18:42.466773Z"
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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": "2026-10-16T19:26:30.519Z"
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}
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}
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]
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}
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} |