314 lines
16 KiB
JSON
314 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-2025-38386",
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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": "2025-04-16T04:51:24.010Z",
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"datePublished": "2025-07-25T12:53:27.229Z",
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"dateUpdated": "2026-10-15T21:52:14.998Z"
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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": "2026-08-05T12:01:30.990Z"
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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\nACPICA: Refuse to evaluate a method if arguments are missing\n\nAs reported in [1], a platform firmware update that increased the number\nof method parameters and forgot to update a least one of its callers,\ncaused ACPICA to crash due to use-after-free.\n\nSince this a result of a clear AML issue that arguably cannot be fixed\nup by the interpreter (it cannot produce missing data out of thin air),\naddress it by making ACPICA refuse to evaluate a method if the caller\nattempts to pass fewer arguments than expected to it."
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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:L/PR:L/UI:N/S:U/C:H/I:H/A:H",
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"baseScore": 7.8,
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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 - The vulnerable code is the ACPICA AML interpreter, reachable only through control-method evaluation on the local machine (sysfs/procfs ACPI attributes, thermal/battery/EC paths, device init, suspend/resume); there is no network or adjacent-network path to AML execution.\nAC:L - On an affected system the defect triggers deterministically whenever the mismatched method invocation is evaluated — no race to win, no memory-layout condition to guess, and the stale operand slots are populated by the same walk state's normal expression evaluation.\nPR:L - Many ACPI control methods are evaluated in response to reads of world-accessible sysfs attributes (thermal zone temperature, power-supply uevent, backlight), so an unprivileged local user can repeatedly drive the vulnerable nested-method path without any capability.\nUI:N - Triggering requires only the attacker's own read of an ACPI-backed sysfs attribute or normal runtime ACPI activity; no action by another user or administrator is needed.\nS:U - The use-after-free corrupts kernel heap objects in the ACPICA operand cache, staying entirely within the kernel's own security authority with no crossing into a hypervisor, IOMMU, or other security scope.\nC:H - This is a use-after-free: acpi_ut_update_object_reference() reads the type, package count, and element pointers out of freed, potentially reallocated slab memory, and the resulting premature frees leave live AML-visible buffer/string objects dangling, giving a path to disclose arbitrary kernel memory contents.\nI:H - Decrementing reference counts through stale pointers yields refcount underflow, double-free, and an arbitrary-decrement primitive against reclaimed slab memory — a classic heap-corruption route to control-flow hijack and arbitrary write.\nA:H - The reported real-world symptom was a kernel crash from the use-after-free, and refcount corruption of ACPICA operand objects reliably produces oops/panic, which an unprivileged user can trigger repeatedly."
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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/acpi/acpica/dsmethod.c"
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],
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"versions": [
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{
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"version": "1da177e4c3f41524e886b7f1b8a0c1fc7321cac2",
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"lessThan": "b49d224d1830c46e20adce2a239c454cdab426f1",
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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": "1da177e4c3f41524e886b7f1b8a0c1fc7321cac2",
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"lessThan": "2219e49857ffd6aea1b1ca5214d3270f84623a16",
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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": "1da177e4c3f41524e886b7f1b8a0c1fc7321cac2",
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"lessThan": "ab1e8491c19eb2ea0fda81ef28e841c7cb6399f5",
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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": "1da177e4c3f41524e886b7f1b8a0c1fc7321cac2",
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"lessThan": "4305d936abde795c2ef6ba916de8f00a50f64d2d",
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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": "1da177e4c3f41524e886b7f1b8a0c1fc7321cac2",
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"lessThan": "d547779e72cea9865b732cd45393c4cd02b3598e",
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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": "1da177e4c3f41524e886b7f1b8a0c1fc7321cac2",
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"lessThan": "18ff4ed6a33a7e3f2097710eacc96bea7696e803",
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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": "1da177e4c3f41524e886b7f1b8a0c1fc7321cac2",
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"lessThan": "c9e4da550ae196132b990bd77ed3d8f2d9747f87",
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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": "1da177e4c3f41524e886b7f1b8a0c1fc7321cac2",
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"lessThan": "6fcab2791543924d438e7fa49276d0998b0a069f",
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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/acpi/acpica/dsmethod.c"
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],
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"versions": [
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{
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"version": "2.6.12",
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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": "2.6.12",
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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": "5.4.296",
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"lessThanOrEqual": "5.4.*",
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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": "5.10.240",
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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": "5.15.187",
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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": "6.1.144",
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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": "6.6.97",
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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": "6.12.37",
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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": "6.15.6",
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"lessThanOrEqual": "6.15.*",
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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": "6.16",
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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": "2.6.12",
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"versionEndExcluding": "5.4.296"
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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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"versionEndExcluding": "5.10.240"
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"references": [
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{
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"url": "https://git.kernel.org/stable/c/b49d224d1830c46e20adce2a239c454cdab426f1"
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},
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{
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"url": "https://git.kernel.org/stable/c/2219e49857ffd6aea1b1ca5214d3270f84623a16"
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},
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{
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"url": "https://git.kernel.org/stable/c/ab1e8491c19eb2ea0fda81ef28e841c7cb6399f5"
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},
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{
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"url": "https://git.kernel.org/stable/c/4305d936abde795c2ef6ba916de8f00a50f64d2d"
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},
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{
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"url": "https://git.kernel.org/stable/c/d547779e72cea9865b732cd45393c4cd02b3598e"
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},
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{
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"url": "https://git.kernel.org/stable/c/18ff4ed6a33a7e3f2097710eacc96bea7696e803"
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},
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{
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"url": "https://git.kernel.org/stable/c/c9e4da550ae196132b990bd77ed3d8f2d9747f87"
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},
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{
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"url": "https://git.kernel.org/stable/c/6fcab2791543924d438e7fa49276d0998b0a069f"
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}
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],
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"title": "ACPICA: Refuse to evaluate a method if arguments are missing",
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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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"title": "CVE Program Container",
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"references": [
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{
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"url": "https://lists.debian.org/debian-lts-announce/2025/10/msg00008.html"
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},
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{
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"url": "https://lists.debian.org/debian-lts-announce/2025/10/msg00007.html"
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}
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],
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"providerMetadata": {
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"orgId": "af854a3a-2127-422b-91ae-364da2661108",
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"shortName": "CVE",
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"dateUpdated": "2025-11-03T17:37:19.069Z"
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}
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},
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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-2025-38386",
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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": "total"
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}
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],
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"version": "2.0.3",
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"timestamp": "2026-10-15T21:49:54.369457Z"
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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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"shortName": "CISA-ADP",
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"dateUpdated": "2026-10-15T21:52:14.998Z"
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}
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}
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]
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}
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} |