282 lines
13 KiB
JSON
282 lines
13 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-2026-68277",
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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": "2026-07-30T09:28:09.379Z",
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"datePublished": "2026-08-10T12:01:53.085Z",
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"dateUpdated": "2026-11-06T16:55:11.718Z"
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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": "2026-08-23T12:46:14.372Z"
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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\ndrm/dp/mst: fix OOB reads on 2-byte fields in sideband reply parsers\n\nThree sideband reply parsers read 16-bit fields as:\n\n val = (raw->msg[idx] << 8) | (raw->msg[idx+1]);\n\nand check bounds only after the fact. When idx == raw->curlen,\nraw->msg[idx+1] reads one byte past the received message data into\nthe following struct fields (curchunk_len, curchunk_idx, curlen).\n\nAffected functions:\n - drm_dp_sideband_parse_enum_path_resources_ack()\n full_payload_bw_number and avail_payload_bw_number fields\n - drm_dp_sideband_parse_allocate_payload_ack()\n allocated_pbn field\n - drm_dp_sideband_parse_query_payload_ack()\n allocated_pbn field\n\nFix by using a single combined check (idx + 2 > curlen) before each\n2-byte read. Since the check is strictly tighter than idx > curlen,\nno separate step is needed.\n\n[added fixes tag]"
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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/gpu/drm/display/drm_dp_mst_topology.c"
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],
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"versions": [
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{
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"version": "ad7f8a1f9ced7f049f9b66d588723f243a7034cd",
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"lessThan": "c1f72a13d54ffd16647d3fa540d961f5deba8790",
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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": "ad7f8a1f9ced7f049f9b66d588723f243a7034cd",
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"lessThan": "192e146c2d57ad033b0d418ec64ee390f8dc074e",
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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": "ad7f8a1f9ced7f049f9b66d588723f243a7034cd",
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"lessThan": "6e3107e6522109a07fc9bb0fc4ec463f1982e113",
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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": "ad7f8a1f9ced7f049f9b66d588723f243a7034cd",
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"lessThan": "bdf0508b1e6785d4a8982c637e97e68d60b47d7b",
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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": "ad7f8a1f9ced7f049f9b66d588723f243a7034cd",
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"lessThan": "0bcd7675c69a2462a8531fcd9e4d096e9c7ec5df",
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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": "ad7f8a1f9ced7f049f9b66d588723f243a7034cd",
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"lessThan": "d5c70523cafa26ad2c7a37b612849abe2683baa8",
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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": "ad7f8a1f9ced7f049f9b66d588723f243a7034cd",
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"lessThan": "68a624416d1dd481b3e5b7ea0e8a070a9b8a2c73",
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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": "ad7f8a1f9ced7f049f9b66d588723f243a7034cd",
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"lessThan": "6b89ba3dba2f583626fb693e47e951ffb8bf591f",
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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/gpu/drm/display/drm_dp_mst_topology.c"
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],
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"versions": [
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{
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"version": "3.17",
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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": "3.17",
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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": "6.1.183",
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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": "3.17",
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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": "3.17",
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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": "3.17",
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"versionEndExcluding": "6.1.183"
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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": "3.17",
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"versionEndExcluding": "6.6.148"
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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": "3.17",
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"versionEndExcluding": "6.12.101"
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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": "3.17",
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"versionEndExcluding": "6.18.42"
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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": "3.17",
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"versionEndExcluding": "7.1.6"
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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": "3.17",
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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/c1f72a13d54ffd16647d3fa540d961f5deba8790"
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},
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{
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"url": "https://git.kernel.org/stable/c/192e146c2d57ad033b0d418ec64ee390f8dc074e"
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},
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{
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"url": "https://git.kernel.org/stable/c/6e3107e6522109a07fc9bb0fc4ec463f1982e113"
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},
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{
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"url": "https://git.kernel.org/stable/c/bdf0508b1e6785d4a8982c637e97e68d60b47d7b"
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},
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{
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"url": "https://git.kernel.org/stable/c/0bcd7675c69a2462a8531fcd9e4d096e9c7ec5df"
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},
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{
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"url": "https://git.kernel.org/stable/c/d5c70523cafa26ad2c7a37b612849abe2683baa8"
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},
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{
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"url": "https://git.kernel.org/stable/c/68a624416d1dd481b3e5b7ea0e8a070a9b8a2c73"
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},
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{
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"url": "https://git.kernel.org/stable/c/6b89ba3dba2f583626fb693e47e951ffb8bf591f"
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}
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],
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"title": "drm/dp/mst: fix OOB reads on 2-byte fields in sideband reply parsers",
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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-2026-68277",
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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": "2026-11-06T16:46:26.186383Z"
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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": "2026-11-06T16:55:11.718Z"
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}
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}
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]
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}
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} |