264 lines
14 KiB
JSON
264 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-2026-92504",
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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": "2026-09-16T12:21:13.872Z",
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"datePublished": "2026-09-17T16:10:16.731Z",
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"dateUpdated": "2026-10-19T09:04:10.385Z"
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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": "2026-10-19T09:04:10.385Z"
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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\nthermal: intel: int3400: clean up ODVP on probe failures\n\nevaluate_odvp() creates per-ODVP sysfs files before the thermal zone\nand later probe resources are registered. The current unwind path only\ncalls cleanup_odvp() from the late sysfs failure path, so failures after\nevaluate_odvp() but before that label, including\nthermal_tripless_zone_device_register() failures, leave the ODVP files\nand storage behind.\n\nMove the ODVP cleanup to the common ART/TRT unwind path so every failure\nafter evaluate_odvp() releases the ODVP state. Also clear the cached\nODVP pointers in cleanup_odvp(), because evaluate_odvp() can already call\nit for partial setup failures while probe continues."
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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:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H",
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"baseScore": 7,
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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:L - evaluate_odvp() in int3400_thermal_probe() creates odvpN attributes on the INT3400/INTC104x ACPI platform device; after a failed unwind the UAF is hit by reading those files in odvp_show(), not by a network or radio protocol payload.\nAC:H - The leak runs only when int3400_thermal_probe() fails after evaluate_odvp() but before the old free_sysfs label (thermal_tripless_zone_device_register(), sysfs_create_group() for uuids/imok, or device_create_bin_file()), or when evaluate_odvp() itself fails after allocating attrs; those are -ENOMEM/kernfs errors the attacker cannot force.\nPR:L - evaluate_odvp() creates each odvpN with mode 0444 on priv->pdev->dev.kobj; after probe kfree(priv) via free_art_trt without cleanup_odvp(), an unprivileged local user can open those leftover files and run odvp_show() with no CAP_SYS_ADMIN.\nUI:N - The attacker reads the leftover odvpN sysfs attributes themselves; no other user must mount media, bind int3400_thermal, or confirm a prompt.\nS:U - odvp_show() dereferences the probe-freed int3400_thermal_priv in the host kernel; this is not a VM, IOMMU, or sandbox escape.\nC:H - odvp_show() evaluates odvp_attr->priv->odvp[odvp_attr->odvp] after int3400_thermal_probe() kfree(priv) on free_art_trt, a slab UAF of int3400_thermal_priv that discloses kernel memory once that object is reclaimed.\nI:H - cleanup_odvp() used to leave priv->odvp/priv->odvp_attrs set after evaluate_odvp()'s out_err path; a later evaluate_odvp() from int3400_thermal_change_mode() or INT3400_ODVP_CHANGED then writes ACPI integers through the freed odvp buffer, and remove-path cleanup_odvp() double-frees it.\nA:H - odvp_show() dereferencing the freed priv, and evaluate_odvp() writing through a dangling priv->odvp, oops or panic the kernel."
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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/thermal/intel/int340x_thermal/int3400_thermal.c"
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],
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"versions": [
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{
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"version": "006f006f1e5c48e5ddd6515eab2c9a7b27ce1144",
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"lessThan": "5798c714fccf1b4939a98a812b9073da365172c8",
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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": "006f006f1e5c48e5ddd6515eab2c9a7b27ce1144",
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"lessThan": "bfd6df12ce6781e4bf1c7177dab42a8780177960",
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"status": "affected",
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"versionType": "git"
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},
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{
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"lessThan": "ad13e550ce51c66560bafd315eb5d09f2ee7c4ce",
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"status": "affected",
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{
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"lessThan": "08df725b927512fa9672b146a00766da478b6c2e",
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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": "006f006f1e5c48e5ddd6515eab2c9a7b27ce1144",
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"lessThan": "bc0e96267a6715fcc4b81cf980034a5e65703780",
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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": "006f006f1e5c48e5ddd6515eab2c9a7b27ce1144",
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"lessThan": "d7b025d3fdf3cf8b726ce1d13f434f57477972bb",
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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": "006f006f1e5c48e5ddd6515eab2c9a7b27ce1144",
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"lessThan": "169772cd2147c517be5cfda2710d17f8c90d6f10",
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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": "006f006f1e5c48e5ddd6515eab2c9a7b27ce1144",
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"lessThan": "d83dc9ce57a746a6dca28439bcc0575d26fa6986",
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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/thermal/intel/int340x_thermal/int3400_thermal.c"
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],
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"versions": [
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{
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"version": "5.8",
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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": "5.8",
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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": "5.10.270",
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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": "5.15.221",
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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": "6.1.188",
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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": "6.6.157",
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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": "6.12.110",
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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": "6.18.52",
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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": "7.2.6",
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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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"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
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"versionStartIncluding": "5.8",
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"versionEndExcluding": "5.10.270"
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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/5798c714fccf1b4939a98a812b9073da365172c8"
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},
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{
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"url": "https://git.kernel.org/stable/c/bfd6df12ce6781e4bf1c7177dab42a8780177960"
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},
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{
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"url": "https://git.kernel.org/stable/c/ad13e550ce51c66560bafd315eb5d09f2ee7c4ce"
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},
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{
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"url": "https://git.kernel.org/stable/c/08df725b927512fa9672b146a00766da478b6c2e"
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},
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{
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"url": "https://git.kernel.org/stable/c/bc0e96267a6715fcc4b81cf980034a5e65703780"
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},
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{
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"url": "https://git.kernel.org/stable/c/d7b025d3fdf3cf8b726ce1d13f434f57477972bb"
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},
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{
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"url": "https://git.kernel.org/stable/c/169772cd2147c517be5cfda2710d17f8c90d6f10"
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},
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{
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"url": "https://git.kernel.org/stable/c/d83dc9ce57a746a6dca28439bcc0575d26fa6986"
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}
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],
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"title": "thermal: intel: int3400: clean up ODVP on probe failures",
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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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} |