310 lines
16 KiB
JSON
310 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-2026-68353",
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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": "2026-07-30T09:28:09.385Z",
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"datePublished": "2026-08-10T12:03:30.330Z",
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"dateUpdated": "2026-10-19T21:09:06.001Z"
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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": "2026-08-19T16:33:58.283Z"
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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: ath6kl: fix OOB read from firmware num_msg in TX complete handler\n\nThe firmware-controlled num_msg field (u8, 0-255) drives the loop in\nath6kl_wmi_tx_complete_event_rx() without validation against the buffer\nlength. This allows out-of-bounds reads of up to 1020 bytes past the\nWMI event buffer when the firmware sends an inflated num_msg.\n\nAdd a check that the buffer is large enough to hold the fixed struct\nand the num_msg variable-length entries."
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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:N/A:H",
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"baseScore": 8.1,
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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 - The vulnerable handler parses WMI control events delivered by the ath6kl AR600x wireless firmware over SDIO/USB; an attacker on the same wireless segment who subverts or influences the wireless device's firmware supplies the malformed event, matching the adjacent-network vector used for other ath driver event-parsing flaws.\nAC:L - Triggering requires only a WMI_TX_COMPLETE_EVENTID event whose payload is shorter than num_msg * 4 bytes; the loop bound is taken directly from the event with no validation, so the read happens deterministically every time.\nPR:N - The event is processed in the driver's asynchronous control-message receive path with no capability check, no syscall entry, and no authentication or association gate; the attacker needs no credentials on the target system.\nUI:N - The WMI event is handled automatically by the driver as soon as the interface is running; no victim action such as opening a file or issuing a command is needed.\nS:U - The out-of-bounds read stays within the kernel's own memory and security authority; no VM, IOMMU, or sandbox boundary is crossed.\nC:H - Up to 1020 bytes past the event buffer are read and the contents are emitted through ath6kl_dbg() into the kernel log on debug builds, disclosing adjacent kernel heap data well beyond a small bounded read.\nI:N - The loop only reads and prints the out-of-bounds entries; there is no write to kernel memory and no attacker-controlled pointer is dereferenced for modification.\nA:H - The read can walk past the end of the slab allocation into unmapped or redzoned memory, producing an oops or a KASAN panic on hardened/debug kernels and thus a full loss of availability."
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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/ath6kl/wmi.c"
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],
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"versions": [
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{
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"version": "bdcd81707973cf8aa9305337166f8ee842a050d4",
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"lessThan": "5297299c3fa6133275db0be99d69cd759b6cbfe9",
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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": "bdcd81707973cf8aa9305337166f8ee842a050d4",
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"lessThan": "35196a07603f8c94a4943093bc26d5b5826285f8",
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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": "bdcd81707973cf8aa9305337166f8ee842a050d4",
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"lessThan": "0e0fc04af9b443c6b425f00fb604ff599bc80d1d",
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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": "bdcd81707973cf8aa9305337166f8ee842a050d4",
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"lessThan": "69ac7ba3a3df6654e7daa82674575a8c4a1a63ea",
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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": "bdcd81707973cf8aa9305337166f8ee842a050d4",
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"lessThan": "289edc3c71344b89e6522891147cfb8f61b088bb",
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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": "bdcd81707973cf8aa9305337166f8ee842a050d4",
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"lessThan": "eb636fbc443149b3501c3f97e26225ddcb314a0f",
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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": "bdcd81707973cf8aa9305337166f8ee842a050d4",
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"lessThan": "c38b0d5c661951b5dd082bdf31f8a57a0ce6e540",
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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": "bdcd81707973cf8aa9305337166f8ee842a050d4",
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"lessThan": "3a21c89215cc18f1a97c5e5bfd1da6d4f3d44495",
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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/ath6kl/wmi.c"
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],
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"versions": [
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{
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"version": "3.2",
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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": "3.2",
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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": "5.10.265",
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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": "5.15.216",
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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": "6.1.183",
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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": "6.6.148",
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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": "6.12.101",
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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": "3.2",
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"versionEndExcluding": "5.10.265"
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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": "3.2",
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"versionEndExcluding": "5.15.216"
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"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
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"versionEndExcluding": "6.1.183"
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"versionStartIncluding": "3.2",
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"versionEndExcluding": "7.1.6"
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"vulnerable": true,
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"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
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"versionStartIncluding": "3.2",
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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/5297299c3fa6133275db0be99d69cd759b6cbfe9"
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},
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{
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"url": "https://git.kernel.org/stable/c/35196a07603f8c94a4943093bc26d5b5826285f8"
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},
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{
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"url": "https://git.kernel.org/stable/c/0e0fc04af9b443c6b425f00fb604ff599bc80d1d"
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},
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{
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"url": "https://git.kernel.org/stable/c/69ac7ba3a3df6654e7daa82674575a8c4a1a63ea"
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},
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{
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"url": "https://git.kernel.org/stable/c/289edc3c71344b89e6522891147cfb8f61b088bb"
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},
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{
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"url": "https://git.kernel.org/stable/c/eb636fbc443149b3501c3f97e26225ddcb314a0f"
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},
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{
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"url": "https://git.kernel.org/stable/c/c38b0d5c661951b5dd082bdf31f8a57a0ce6e540"
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},
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{
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"url": "https://git.kernel.org/stable/c/3a21c89215cc18f1a97c5e5bfd1da6d4f3d44495"
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}
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],
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"title": "wifi: ath6kl: fix OOB read from firmware num_msg in TX complete handler",
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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-2026-68353",
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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": "2026-10-16T15:47:25.988106Z"
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}
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}
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}
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],
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"problemTypes": [
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{
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"descriptions": [
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{
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"lang": "en",
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"type": "CWE",
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"cweId": "CWE-125",
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"description": "CWE-125 Out-of-bounds Read"
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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": "2026-10-19T21:09:06.001Z"
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}
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}
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]
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}
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} |