284 lines
14 KiB
JSON
284 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-2023-53386",
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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": "2025-09-17T14:54:09.737Z",
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"datePublished": "2025-09-18T13:33:29.897Z",
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"dateUpdated": "2026-08-05T09:13:49.431Z"
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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": "2026-08-05T09:13:49.431Z"
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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: Fix potential use-after-free when clear keys\n\nSimilar to commit c5d2b6fa26b5 (\"Bluetooth: Fix use-after-free in\nhci_remove_ltk/hci_remove_irk\"). We can not access k after kfree_rcu()\ncall."
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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 UAF is reached via local AF_BLUETOOTH HCI_CHANNEL_CONTROL MGMT commands (LOAD_LINK_KEYS/LTKs/IRKs, SET_BLOCKED_KEYS) or hci_release_dev teardown; no over-the-air peer data drives the clear-keys path, matching prior mgmt.c scoring (e.g. CVE-2024-53208, CVE-2024-49951).\nAC:L - The attacker deterministically populates a key list then re-issues the same MGMT load/clear command (or tears down the adapter), and under PREEMPT the kfree_rcu→list_next_entry window is attacker-retryable with a long key list and heap spray; no condition outside attacker control is required.\nPR:L - Trusted MGMT handlers require CAP_NET_ADMIN (HCI_SOCK_TRUSTED), which real deployments grant to non-root Bluetooth services (bluetoothd, Android AID_BLUETOOTH) rather than full root; consistent with prior CAP_NET_ADMIN-gated mgmt UAF scores.\nUI:N - The attacker issues the MGMT commands (or drives adapter teardown) entirely from its own process; no victim interaction is required.\nS:U - The use-after-free corrupts kernel heap within the same kernel security authority; no VM, IOMMU, or sandbox boundary is crossed.\nC:H - This is a use-after-free of sprayable kmalloc key objects (link_key/smp_ltk/smp_irk/blocked_key); after reclaim, reading the stale list next pointer and related fields yields an attacker-influenced kernel memory disclosure primitive.\nI:H - UAF of these heap objects enables heap grooming for write/control-flow hijack via corrupted list linkage and subsequent operations on attacker-controlled freed memory, per standard kernel UAF integrity scoring.\nA:H - Dereferencing freed key objects during list iteration reliably produces KASAN reports, oopses, or panics, and any use-after-free is scored High availability."
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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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"net/bluetooth/hci_core.c"
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],
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"versions": [
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{
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"version": "d7d41682efc25d58b5bd8b80e85e3c9ce586635c",
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"lessThan": "e87da6a0ac6e631454e7da53a76aa9fe44aaa5dd",
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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": "d7d41682efc25d58b5bd8b80e85e3c9ce586635c",
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"lessThan": "942d8cefb022f384d5424f8b90c7878f3f93726f",
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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": "d7d41682efc25d58b5bd8b80e85e3c9ce586635c",
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"lessThan": "94617b736c25091b60e514e2e7aeafcbbee6b700",
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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": "d7d41682efc25d58b5bd8b80e85e3c9ce586635c",
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"lessThan": "da19f35868dfbecfff4f81166c054d2656cb1be4",
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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": "d7d41682efc25d58b5bd8b80e85e3c9ce586635c",
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"lessThan": "35cc42f04bc49f0656f6840cb7451b3df6049649",
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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": "d7d41682efc25d58b5bd8b80e85e3c9ce586635c",
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"lessThan": "3673952cf0c6cf81b06c66a0b788abeeb02ff3ae",
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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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"net/bluetooth/hci_core.c"
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],
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"versions": [
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{
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"version": "5.7",
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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": "5.7",
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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": "5.10.195",
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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": "5.15.132",
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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": "6.1.53",
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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": "6.4.16",
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"lessThanOrEqual": "6.4.*",
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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": "6.5.3",
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"lessThanOrEqual": "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",
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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": "5.7",
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"versionEndExcluding": "5.10.195"
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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": "5.7",
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"versionEndExcluding": "5.15.132"
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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": "5.7",
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"versionEndExcluding": "6.1.53"
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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": "5.7",
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"versionEndExcluding": "6.4.16"
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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": "5.7",
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"versionEndExcluding": "6.5.3"
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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": "5.7",
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"versionEndExcluding": "6.6"
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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/e87da6a0ac6e631454e7da53a76aa9fe44aaa5dd"
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},
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{
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"url": "https://git.kernel.org/stable/c/942d8cefb022f384d5424f8b90c7878f3f93726f"
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},
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{
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"url": "https://git.kernel.org/stable/c/94617b736c25091b60e514e2e7aeafcbbee6b700"
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},
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{
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"url": "https://git.kernel.org/stable/c/da19f35868dfbecfff4f81166c054d2656cb1be4"
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},
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{
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"url": "https://git.kernel.org/stable/c/35cc42f04bc49f0656f6840cb7451b3df6049649"
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},
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{
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"url": "https://git.kernel.org/stable/c/3673952cf0c6cf81b06c66a0b788abeeb02ff3ae"
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}
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],
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"title": "Bluetooth: Fix potential use-after-free when clear keys",
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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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"cvssV3_1": {
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"scope": "UNCHANGED",
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"version": "3.1",
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"baseScore": 7.8,
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"attackVector": "LOCAL",
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"baseSeverity": "HIGH",
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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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"integrityImpact": "HIGH",
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"userInteraction": "NONE",
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"attackComplexity": "LOW",
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"availabilityImpact": "HIGH",
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"privilegesRequired": "LOW",
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"confidentialityImpact": "HIGH"
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}
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},
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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-2023-53386",
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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": "2026-01-14T18:57:47.458319Z"
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}
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}
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}
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],
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"problemTypes": [
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{
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"descriptions": [
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{
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"lang": "en",
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"type": "CWE",
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"cweId": "CWE-416",
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"description": "CWE-416 Use After Free"
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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": "2026-01-14T19:03:04.934Z"
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}
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}
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]
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}
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} |