304 lines
15 KiB
JSON
304 lines
15 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-2024-36032",
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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": "2024-05-17T13:50:33.160Z",
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"datePublished": "2024-05-30T15:23:47.423Z",
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"dateUpdated": "2026-08-05T11:31:42.475Z"
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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": "2026-08-05T11:31:42.475Z"
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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\nBluetooth: qca: fix info leak when fetching fw build id\n\nAdd the missing sanity checks and move the 255-byte build-id buffer off\nthe stack to avoid leaking stack data through debugfs in case the\nbuild-info reply is malformed."
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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:A/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:H",
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"baseScore": 8.1,
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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:A - The malformed build-info reply is supplied by the Bluetooth controller across the HCI/UART transport, so the attacker position is a rogue or over-the-air-compromised QCA BT SoC in Bluetooth radio range of the phone/embedded device — an adjacent-network attack surface, consistent with prior kernel-CNA scoring of HCI-transport-sourced data (CVE-2024-36968).\nAC:L - The controller deterministically chooses the event length and the length byte (e.g. a 3-byte reply with data[0]=254 for the slab overread, or data[0]=255 for the uninitialized-stack leak); there is no race, timing window, or memory-layout luck, and the path re-runs on every bring-up and subsystem restart.\nPR:N - qca_read_fw_build_info() runs unconditionally from hdev->setup during HCI device initialisation at boot/rfkill-unblock/SSR with no authentication and no host account required, and the resulting leak lands in a 0444-mode debugfs node rather than behind any credential check.\nUI:N - Bluetooth setup is performed automatically by the kernel when the HCI device is brought up; no victim action such as pairing, mounting, or opening a file is involved.\nS:U - Both the out-of-bounds reads and the disclosed data stay within the kernel's own memory and security authority, with no VM, IOMMU, or sandbox boundary crossed.\nC:H - This is an out-of-bounds read of up to ~254 bytes of adjacent slab memory past the skb buffer plus an unbounded kernel-stack overread (vsnprintf \"%s\" over a never-initialised 255-byte stack buffer), repeatable on every controller reset and exfiltrated through debugfs — far beyond a small bounded read, and sufficient to recover kernel pointers and defeat KASLR.\nI:N - The defect is purely a read overrun; the leaked bytes are written into a correctly sized kvasprintf allocation, so no kernel data outside the driver's own fw_info string is modified.\nA:H - The unbounded string walk off the end of the 255-byte stack buffer can run into the VMAP_STACK guard page, and the slab overread can hit a KFENCE-guarded page, producing an oops during Bluetooth initialisation — a panic on the panic_on_oops/panic_on_warn configurations common in Android, automotive, and embedded deployments."
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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/bluetooth/btqca.c",
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"drivers/bluetooth/btqca.h"
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],
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"versions": [
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{
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"version": "c0187b0bd3e94c48050687d87b2c3c9fbae98ae9",
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"lessThan": "62d5550ab62042dcceaf18844d0feadbb962cffe",
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"status": "affected",
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"versionType": "git"
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},
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"lessThan": "57062aa13e87b1a78a4a8f6cb5fab6ba24f5f488",
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"status": "affected",
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"versionType": "git"
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},
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"lessThan": "6b63e0ef4d3ce0080395e5091fba2023f246c45a",
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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": "a571044cc0a0c944e7c12237b6768aeedd7480e1",
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"status": "affected",
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"status": "affected",
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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/bluetooth/btqca.c",
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"drivers/bluetooth/btqca.h"
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],
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"versions": [
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{
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"version": "5.12",
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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": "5.12",
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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": "5.15.162",
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"lessThanOrEqual": "5.15.*",
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"status": "unaffected",
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},
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{
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"version": "6.1.91",
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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": "6.6.31",
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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": "6.8.10",
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"lessThanOrEqual": "6.8.*",
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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": "6.9",
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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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"references": [
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"url": "https://git.kernel.org/stable/c/62d5550ab62042dcceaf18844d0feadbb962cffe"
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{
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"url": "https://git.kernel.org/stable/c/57062aa13e87b1a78a4a8f6cb5fab6ba24f5f488"
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"url": "https://git.kernel.org/stable/c/6b63e0ef4d3ce0080395e5091fba2023f246c45a"
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}
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],
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"title": "Bluetooth: qca: fix info leak when fetching fw build id",
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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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"descriptions": [
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{
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"type": "CWE",
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"lang": "en",
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"description": "CWE-noinfo Not enough information"
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"version": "3.1",
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"attackVector": "LOCAL",
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"baseSeverity": "LOW",
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"vectorString": "CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:L/I:N/A:N",
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"integrityImpact": "NONE",
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"userInteraction": "NONE",
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"attackComplexity": "LOW",
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"availabilityImpact": "NONE",
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"privilegesRequired": "HIGH",
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"confidentialityImpact": "LOW"
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}
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{
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"type": "ssvc",
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"content": {
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"timestamp": "2024-05-31T18:33:16.549121Z",
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"id": "CVE-2024-36032",
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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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"role": "CISA Coordinator",
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"version": "2.0.3"
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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": "2024-11-07T17:21:15.085Z"
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"dateUpdated": "2024-08-02T03:30:12.639Z"
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"title": "CVE Program Container",
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