282 lines
14 KiB
JSON
282 lines
14 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-2026-64270",
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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": "2026-07-19T15:36:31.775Z",
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"datePublished": "2026-07-25T08:49:17.541Z",
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"dateUpdated": "2026-11-06T16:34:31.828Z"
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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": "2026-08-23T12:45:36.926Z"
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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\nInput: mms114 - reject an oversized device packet size\n\nmms114_interrupt() reads a packet of touch data from the device into a\nfixed-size on-stack buffer\n\n\tstruct mms114_touch touch[MMS114_MAX_TOUCH];\n\nwhich holds MMS114_MAX_TOUCH (10) events of MMS114_EVENT_SIZE (8) bytes,\ni.e. 80 bytes. The length of the I2C read into it is taken verbatim from\nthe device:\n\n\tpacket_size = mms114_read_reg(data, MMS114_PACKET_SIZE);\n\tif (packet_size <= 0)\n\t\tgoto out;\n\t...\n\terror = __mms114_read_reg(data, MMS114_INFORMATION, packet_size,\n\t\t\t(u8 *)touch);\n\npacket_size is a single device register byte (0x0F) and the only check\nis the lower bound packet_size <= 0; it is never bounded against the\nsize of touch[]. A malfunctioning, malicious or counterfeit controller\n(or an attacker tampering with the I2C bus) can report a packet_size of\nup to 255, so __mms114_read_reg() writes up to 175 bytes past the end of\ntouch[] on the IRQ-thread stack: a stack out-of-bounds write that can\noverwrite the stack canary, saved registers and the return address.\n\nA well-formed device never reports more than the buffer holds, so reject\nan oversized packet and drop the report, consistent with the handler's\nother error paths, rather than reading past the buffer."
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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/input/touchscreen/mms114.c"
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],
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"versions": [
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{
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"version": "07b8481d4aff73d6f451f25e74ea10240ff5131e",
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"lessThan": "040843281eebfa110d08fd7fb083fe6cb55cea14",
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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": "07b8481d4aff73d6f451f25e74ea10240ff5131e",
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"lessThan": "39b12daf1adb80f9595fdfe584961deb80860cbb",
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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": "07b8481d4aff73d6f451f25e74ea10240ff5131e",
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"lessThan": "d99ba93c35ff2d5276e9c2632967481bd53a79d0",
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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": "07b8481d4aff73d6f451f25e74ea10240ff5131e",
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"lessThan": "5d2ea15ba03bf17ed143ff1a0995a4206edc3fb6",
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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": "07b8481d4aff73d6f451f25e74ea10240ff5131e",
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"lessThan": "b78150729762d47c14fe29a2582bdca5568e62b8",
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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": "07b8481d4aff73d6f451f25e74ea10240ff5131e",
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"lessThan": "8301c335305344d4da4ab9442b6a399dacfe5b8d",
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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": "07b8481d4aff73d6f451f25e74ea10240ff5131e",
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"lessThan": "f3d5e77b27fded71dcb97f409262bf0abba0410e",
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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": "07b8481d4aff73d6f451f25e74ea10240ff5131e",
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"lessThan": "66725039f7090afe14c31bd259e2059a68f04023",
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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/input/touchscreen/mms114.c"
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],
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"versions": [
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{
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"version": "3.6",
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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": "3.6",
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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": "5.10.266",
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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": "5.15.217",
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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": "6.1.184",
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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": "6.12.96",
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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": "6.18.39",
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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": "7.1.4",
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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": "3.6",
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"versionEndExcluding": "5.10.266"
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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": "3.6",
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"versionEndExcluding": "5.15.217"
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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": "3.6",
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"versionEndExcluding": "6.1.184"
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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": "3.6",
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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": "3.6",
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"versionEndExcluding": "6.12.96"
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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": "3.6",
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"versionEndExcluding": "6.18.39"
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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": "3.6",
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"versionEndExcluding": "7.1.4"
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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": "3.6",
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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/040843281eebfa110d08fd7fb083fe6cb55cea14"
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},
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{
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"url": "https://git.kernel.org/stable/c/39b12daf1adb80f9595fdfe584961deb80860cbb"
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},
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{
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"url": "https://git.kernel.org/stable/c/d99ba93c35ff2d5276e9c2632967481bd53a79d0"
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},
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{
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"url": "https://git.kernel.org/stable/c/5d2ea15ba03bf17ed143ff1a0995a4206edc3fb6"
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},
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{
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"url": "https://git.kernel.org/stable/c/b78150729762d47c14fe29a2582bdca5568e62b8"
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},
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{
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"url": "https://git.kernel.org/stable/c/8301c335305344d4da4ab9442b6a399dacfe5b8d"
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},
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{
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"url": "https://git.kernel.org/stable/c/f3d5e77b27fded71dcb97f409262bf0abba0410e"
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},
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{
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"url": "https://git.kernel.org/stable/c/66725039f7090afe14c31bd259e2059a68f04023"
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}
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],
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"title": "Input: mms114 - reject an oversized device packet size",
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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-2026-64270",
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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": "2026-11-06T16:33:18.638212Z"
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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": "2026-11-06T16:34:31.828Z"
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}
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}
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]
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}
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} |