185 lines
8.7 KiB
JSON
185 lines
8.7 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-2026-97966",
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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": "2026-09-25T10:18:58.206Z",
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"datePublished": "2026-09-25T10:23:08.543Z",
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"dateUpdated": "2026-10-19T09:11:32.067Z"
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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": "2026-10-19T09:11:32.067Z"
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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\nocteontx2-pf: reset HTB scheduler topology before freeing queues\n\nHTB offload programs NIX_AF_TLxX_TOPOLOGY on QoS-allocated scheduler\nqueues via otx2_qos_txschq_set_parent_topology(), but teardown freed\nthose queues without clearing TOPOLOGY. The AF only restores PARENT and\nSCHEDULE on free, so PRIO_ANCHOR/RR_PRIO settings can survive in the\nshared scheduler pool and affect later allocations.\n\nAdd otx2_qos_reset_schq_topology() and otx2_qos_free_hw_schq() to zero\nTL4 through TL2 TOPOLOGY before each schq is returned to the AF during\nhierarchy teardown and cfg rollback. Skip the aggregation level (TL1):\nit is a per-tx-link queue shared by the PF, default Tx hierarchy and VFs,\nand is not freed back to the AF by nix_txschq_free_one()."
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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/marvell/octeontx2/nic/qos.c"
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],
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"versions": [
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{
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"version": "5e6808b4c68d7882971514ab3279926eb07c8b2d",
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"lessThan": "16c5c8ea5017952ff14c87626a45359d195dda6f",
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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": "5e6808b4c68d7882971514ab3279926eb07c8b2d",
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"lessThan": "0aa2dd6eaa347c7aab448df0eec0afcfe7489885",
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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": "5e6808b4c68d7882971514ab3279926eb07c8b2d",
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"lessThan": "621c99be42e3f5cb68a6af9480a255218a761c4e",
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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": "5e6808b4c68d7882971514ab3279926eb07c8b2d",
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"lessThan": "2df186418e17b30b319cf9ff81aad137692ab107",
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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": "5e6808b4c68d7882971514ab3279926eb07c8b2d",
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"lessThan": "ef39fca8508597fa565cf2be72a884a712fb98af",
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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/ethernet/marvell/octeontx2/nic/qos.c"
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],
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"versions": [
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{
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"version": "6.5",
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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": "6.5",
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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": "6.6.158",
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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": "6.12.111",
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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": "6.18.53",
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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": "7.2.7",
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"lessThanOrEqual": "7.2.*",
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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": "7.3",
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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": "6.5",
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"versionEndExcluding": "6.6.158"
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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": "6.5",
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"versionEndExcluding": "6.12.111"
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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": "6.5",
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"versionEndExcluding": "6.18.53"
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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": "6.5",
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"versionEndExcluding": "7.2.7"
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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": "6.5",
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"versionEndExcluding": "7.3"
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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/16c5c8ea5017952ff14c87626a45359d195dda6f"
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},
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{
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"url": "https://git.kernel.org/stable/c/0aa2dd6eaa347c7aab448df0eec0afcfe7489885"
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},
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{
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"url": "https://git.kernel.org/stable/c/621c99be42e3f5cb68a6af9480a255218a761c4e"
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},
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{
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"url": "https://git.kernel.org/stable/c/2df186418e17b30b319cf9ff81aad137692ab107"
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},
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{
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"url": "https://git.kernel.org/stable/c/ef39fca8508597fa565cf2be72a884a712fb98af"
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}
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],
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"title": "octeontx2-pf: reset HTB scheduler topology before freeing queues",
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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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}
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} |