326 lines
16 KiB
JSON
326 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-2023-53305",
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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": "2025-09-16T08:09:37.994Z",
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"datePublished": "2025-09-16T16:11:44.845Z",
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"dateUpdated": "2026-08-05T09:13:25.762Z"
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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": "2026-08-05T09:13:25.762Z"
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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: L2CAP: Fix use-after-free\n\nFix potential use-after-free in l2cap_le_command_rej."
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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:H/A:H",
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"baseScore": 8.8,
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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:A - The vulnerable path is reached when a Bluetooth LE peer sends an L2CAP Command Reject on the LE signaling CID (hci_rx_work → l2cap_recv_acldata → l2cap_le_sig_channel → l2cap_le_command_rej), which requires adjacency on the Bluetooth radio segment.\nAC:L - An attacker who is the LE peer can send COMMAND_REJ with the ident from a pending LE CoC request and reliably hit the missing hold/put window; no conditions beyond the attacker's control are required.\nPR:N - LE ACL/L2CAP signaling is processed for an established HCI LE connection with no pairing, encryption, or local capability check before l2cap_le_command_rej runs.\nUI:N - Exploitation only needs an LE link and a matching pending channel ident; no additional victim action is required at exploit time once the stack is in that normal operational state.\nS:U - Impact is confined to the local kernel Bluetooth/L2CAP authority (memory corruption / privilege escalation on the host), with no cross-boundary escape.\nC:H - This is a use-after-free of struct l2cap_chan; UAF enables heap reuse and arbitrary kernel read primitives.\nI:H - The same UAF enables heap spraying and arbitrary write / control-flow hijacking in kernel context.\nA:H - Dereferencing the freed channel (e.g., in l2cap_chan_unlock after l2cap_chan_del) can oops/panic the kernel even without full exploitation."
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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/l2cap_core.c"
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],
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"versions": [
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{
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"version": "71fb419724fadab4efdf98210aa3fe053bd81d29",
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"lessThan": "e76bab1b7afa580cd76362540fc37551ada4359b",
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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": "71fb419724fadab4efdf98210aa3fe053bd81d29",
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"lessThan": "1a40c56e8bff3e424724d78a9a6b3272dd8a371d",
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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": "71fb419724fadab4efdf98210aa3fe053bd81d29",
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"lessThan": "fe49aa73cca6608714477b74bfc6874b9db979df",
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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": "71fb419724fadab4efdf98210aa3fe053bd81d29",
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"lessThan": "2958cf9f805b9f0bdc4a761bf6ea281eb8d44f8e",
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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": "71fb419724fadab4efdf98210aa3fe053bd81d29",
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"lessThan": "548a6b64b3c0688f01119a6fcccceb41f8c984e4",
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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": "71fb419724fadab4efdf98210aa3fe053bd81d29",
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"lessThan": "149daab45922ab1ac7f0cbeacab7251a46bf5e63",
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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": "71fb419724fadab4efdf98210aa3fe053bd81d29",
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"lessThan": "255be68150291440657b2cdb09420b69441af3d8",
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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": "71fb419724fadab4efdf98210aa3fe053bd81d29",
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"lessThan": "f752a0b334bb95fe9b42ecb511e0864e2768046f",
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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/l2cap_core.c"
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],
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"versions": [
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{
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"version": "3.14",
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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": "3.14",
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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": "4.14.324",
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"lessThanOrEqual": "4.14.*",
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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": "4.19.293",
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"lessThanOrEqual": "4.19.*",
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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": "5.4.255",
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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": "5.10.192",
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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": "5.15.128",
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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": "6.1.47",
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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": "6.4.12",
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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",
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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": "3.14",
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"versionEndExcluding": "4.14.324"
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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": "3.14",
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"versionEndExcluding": "4.19.293"
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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": "3.14",
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"versionEndExcluding": "5.4.255"
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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": "3.14",
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"versionEndExcluding": "5.10.192"
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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": "3.14",
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"versionEndExcluding": "5.15.128"
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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": "3.14",
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"versionEndExcluding": "6.1.47"
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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": "3.14",
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"versionEndExcluding": "6.4.12"
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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": "3.14",
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"versionEndExcluding": "6.5"
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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/e76bab1b7afa580cd76362540fc37551ada4359b"
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},
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{
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"url": "https://git.kernel.org/stable/c/1a40c56e8bff3e424724d78a9a6b3272dd8a371d"
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},
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{
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"url": "https://git.kernel.org/stable/c/fe49aa73cca6608714477b74bfc6874b9db979df"
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},
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{
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"url": "https://git.kernel.org/stable/c/2958cf9f805b9f0bdc4a761bf6ea281eb8d44f8e"
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},
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{
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"url": "https://git.kernel.org/stable/c/548a6b64b3c0688f01119a6fcccceb41f8c984e4"
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},
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{
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"url": "https://git.kernel.org/stable/c/149daab45922ab1ac7f0cbeacab7251a46bf5e63"
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},
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{
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"url": "https://git.kernel.org/stable/c/255be68150291440657b2cdb09420b69441af3d8"
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},
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{
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"url": "https://git.kernel.org/stable/c/f752a0b334bb95fe9b42ecb511e0864e2768046f"
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}
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],
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"title": "Bluetooth: L2CAP: Fix use-after-free",
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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-2023-53305",
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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": "2026-01-14T18:23:06.561439Z"
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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": "2026-01-14T18:32:56.186Z"
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}
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}
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]
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}
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} |