298 lines
15 KiB
JSON
298 lines
15 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-2026-74408",
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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": "2026-08-15T05:44:03.892Z",
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"datePublished": "2026-08-15T05:59:16.701Z",
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"dateUpdated": "2026-10-16T19:05:43.633Z"
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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": "2026-08-17T05:46:51.612Z"
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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\nwifi: ath9k: fix OOB access from firmware tx status queue ID\n\nath_tx_edma_tasklet() accesses sc->tx.txq[ts.qid] where ts.qid is a\n4-bit hardware field (0-15), but the txq array only has\nATH9K_NUM_TX_QUEUES (10) entries. A qid >= 10 causes an OOB array\naccess.\n\nAdd a bounds check on ts.qid before using it as an array index."
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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:A/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H",
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"baseScore": 8.8,
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"baseSeverity": "HIGH"
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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:A - Exploitation requires sending 802.11 frames over WiFi to a victim using an EDMA-capable ath9k device (routers, embedded APs, laptops); TX completion interrupts from that traffic reach ath_tx_edma_tasklet() via ath_isr/ath9k_interrupt.\nAC:L - An adjacent attacker can repeatedly induce TX completions and error/status conditions with crafted or high-volume 802.11 traffic; they control timing and load on both sides of the race, making invalid firmware qid values (10-15) reachable without conditions outside attacker influence.\nPR:N - No local account or kernel privileges are required; unauthenticated adjacent WiFi frames (probes, data, deauth/flood) cause the victim radio to transmit and process firmware TX status reports on the interrupt path.\nUI:N - No victim interaction is needed beyond the device having WiFi active, which is the normal operating state for routers, phones, and IoT APs using ath9k hardware.\nS:U - Impact is confined to kernel memory corruption and privilege escalation or denial of service on the affected host; it does not cross VM, container, or IOMMU security boundaries.\nC:H - Out-of-bounds indexing of sc->tx.txq[ts.qid] reads adjacent ath_softc/ath_tx fields as struct ath_txq (spinlocks, list heads, DMA metadata), constituting an unbounded OOB kernel memory read exploitable for information disclosure.\nI:H - The OOB txq pointer is dereferenced for spin_lock_bh, list_head manipulation, and ath_tx_process_buffer(), writing through misaligned kernel structures and enabling heap corruption and potential arbitrary code execution.\nA:H - Locking and list operations on memory interpreted as the wrong ath_txq can cause kernel oops, panic, or hang, and repeated adjacent triggering can sustain denial of service on the wireless host."
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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/wireless/ath/ath9k/xmit.c"
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],
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"versions": [
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{
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"version": "fce041beb03f93c7a771f0b4b6c45bb71ef90901",
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"lessThan": "fb11083db9d7d6fb8f98bbba1cbfcf3fb7b4bf54",
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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": "fce041beb03f93c7a771f0b4b6c45bb71ef90901",
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"lessThan": "734db72d55ca578a344dfa33e30145032c074b25",
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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": "fce041beb03f93c7a771f0b4b6c45bb71ef90901",
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"lessThan": "f5931d06b45ed402572bfe5832fff15864ef5481",
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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": "fce041beb03f93c7a771f0b4b6c45bb71ef90901",
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"lessThan": "46ca1451f61b598f45cb5259e066d305444d95fc",
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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": "fce041beb03f93c7a771f0b4b6c45bb71ef90901",
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"lessThan": "a9e055ac62cb3fcea262d4b687ec73eed82b3379",
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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": "fce041beb03f93c7a771f0b4b6c45bb71ef90901",
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"lessThan": "5435fd3edcb11c7cc4002847c83e9a50b49284dc",
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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": "fce041beb03f93c7a771f0b4b6c45bb71ef90901",
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"lessThan": "336d4c8cd9b1646060ee690c881d465dfc09c6c0",
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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": "fce041beb03f93c7a771f0b4b6c45bb71ef90901",
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"lessThan": "7ce2f118a2389e8f0a64068c6fe7cc7d40639be0",
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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/net/wireless/ath/ath9k/xmit.c"
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],
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"versions": [
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{
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"version": "3.1",
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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": "3.1",
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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": "5.10.261",
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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": "5.15.212",
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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": "3.1",
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"versionEndExcluding": "5.10.261"
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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": "3.1",
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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": "3.1",
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"versionEndExcluding": "6.1.178"
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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": "3.1",
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"versionEndExcluding": "6.6.145"
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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": "3.1",
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"versionEndExcluding": "6.12.97"
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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": "3.1",
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"versionEndExcluding": "6.18.40"
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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": "3.1",
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"versionEndExcluding": "7.1.5"
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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": "3.1",
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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/fb11083db9d7d6fb8f98bbba1cbfcf3fb7b4bf54"
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},
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{
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"url": "https://git.kernel.org/stable/c/734db72d55ca578a344dfa33e30145032c074b25"
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},
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{
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"url": "https://git.kernel.org/stable/c/f5931d06b45ed402572bfe5832fff15864ef5481"
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},
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{
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"url": "https://git.kernel.org/stable/c/46ca1451f61b598f45cb5259e066d305444d95fc"
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},
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{
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"url": "https://git.kernel.org/stable/c/a9e055ac62cb3fcea262d4b687ec73eed82b3379"
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},
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{
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"url": "https://git.kernel.org/stable/c/5435fd3edcb11c7cc4002847c83e9a50b49284dc"
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},
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{
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"url": "https://git.kernel.org/stable/c/336d4c8cd9b1646060ee690c881d465dfc09c6c0"
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},
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{
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"url": "https://git.kernel.org/stable/c/7ce2f118a2389e8f0a64068c6fe7cc7d40639be0"
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}
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],
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"title": "wifi: ath9k: fix OOB access from firmware tx status queue ID",
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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-2026-74408",
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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": "total"
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}
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],
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"version": "2.0.3",
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"timestamp": "2026-10-16T18:55:57.152844Z"
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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": "2026-10-16T19:05:43.633Z"
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}
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}
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]
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}
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} |