| { |
| "containers": { |
| "cna": { |
| "providerMetadata": { |
| "orgId": "f4215fc3-5b6b-47ff-a258-f7189bd81038" |
| }, |
| "descriptions": [ |
| { |
| "lang": "en", |
| "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nBluetooth: iso: Fix circular lock in iso_listen_bis\n\nThis fixes the circular locking dependency warning below, by\nreleasing the socket lock before enterning iso_listen_bis, to\navoid any potential deadlock with hdev lock.\n\n[ 75.307983] ======================================================\n[ 75.307984] WARNING: possible circular locking dependency detected\n[ 75.307985] 6.12.0-rc6+ #22 Not tainted\n[ 75.307987] ------------------------------------------------------\n[ 75.307987] kworker/u81:2/2623 is trying to acquire lock:\n[ 75.307988] ffff8fde1769da58 (sk_lock-AF_BLUETOOTH-BTPROTO_ISO)\n at: iso_connect_cfm+0x253/0x840 [bluetooth]\n[ 75.308021]\n but task is already holding lock:\n[ 75.308022] ffff8fdd61a10078 (&hdev->lock)\n at: hci_le_per_adv_report_evt+0x47/0x2f0 [bluetooth]\n[ 75.308053]\n which lock already depends on the new lock.\n\n[ 75.308054]\n the existing dependency chain (in reverse order) is:\n[ 75.308055]\n -> #1 (&hdev->lock){+.+.}-{3:3}:\n[ 75.308057] __mutex_lock+0xad/0xc50\n[ 75.308061] mutex_lock_nested+0x1b/0x30\n[ 75.308063] iso_sock_listen+0x143/0x5c0 [bluetooth]\n[ 75.308085] __sys_listen_socket+0x49/0x60\n[ 75.308088] __x64_sys_listen+0x4c/0x90\n[ 75.308090] x64_sys_call+0x2517/0x25f0\n[ 75.308092] do_syscall_64+0x87/0x150\n[ 75.308095] entry_SYSCALL_64_after_hwframe+0x76/0x7e\n[ 75.308098]\n -> #0 (sk_lock-AF_BLUETOOTH-BTPROTO_ISO){+.+.}-{0:0}:\n[ 75.308100] __lock_acquire+0x155e/0x25f0\n[ 75.308103] lock_acquire+0xc9/0x300\n[ 75.308105] lock_sock_nested+0x32/0x90\n[ 75.308107] iso_connect_cfm+0x253/0x840 [bluetooth]\n[ 75.308128] hci_connect_cfm+0x6c/0x190 [bluetooth]\n[ 75.308155] hci_le_per_adv_report_evt+0x27b/0x2f0 [bluetooth]\n[ 75.308180] hci_le_meta_evt+0xe7/0x200 [bluetooth]\n[ 75.308206] hci_event_packet+0x21f/0x5c0 [bluetooth]\n[ 75.308230] hci_rx_work+0x3ae/0xb10 [bluetooth]\n[ 75.308254] process_one_work+0x212/0x740\n[ 75.308256] worker_thread+0x1bd/0x3a0\n[ 75.308258] kthread+0xe4/0x120\n[ 75.308259] ret_from_fork+0x44/0x70\n[ 75.308261] ret_from_fork_asm+0x1a/0x30\n[ 75.308263]\n other info that might help us debug this:\n\n[ 75.308264] Possible unsafe locking scenario:\n\n[ 75.308264] CPU0 CPU1\n[ 75.308265] ---- ----\n[ 75.308265] lock(&hdev->lock);\n[ 75.308267] lock(sk_lock-\n AF_BLUETOOTH-BTPROTO_ISO);\n[ 75.308268] lock(&hdev->lock);\n[ 75.308269] lock(sk_lock-AF_BLUETOOTH-BTPROTO_ISO);\n[ 75.308270]\n *** DEADLOCK ***\n\n[ 75.308271] 4 locks held by kworker/u81:2/2623:\n[ 75.308272] #0: ffff8fdd66e52148 ((wq_completion)hci0#2){+.+.}-{0:0},\n at: process_one_work+0x443/0x740\n[ 75.308276] #1: ffffafb488b7fe48 ((work_completion)(&hdev->rx_work)),\n at: process_one_work+0x1ce/0x740\n[ 75.308280] #2: ffff8fdd61a10078 (&hdev->lock){+.+.}-{3:3}\n at: hci_le_per_adv_report_evt+0x47/0x2f0 [bluetooth]\n[ 75.308304] #3: ffffffffb6ba4900 (rcu_read_lock){....}-{1:2},\n at: hci_connect_cfm+0x29/0x190 [bluetooth]" |
| } |
| ], |
| "affected": [ |
| { |
| "product": "Linux", |
| "vendor": "Linux", |
| "defaultStatus": "unaffected", |
| "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", |
| "programFiles": [ |
| "net/bluetooth/iso.c" |
| ], |
| "versions": [ |
| { |
| "version": "02171da6e86a73e1b343b36722f5d9d5c04b3539", |
| "lessThan": "c541d7b5e17987ed330798b07d4ad508859c1c93", |
| "status": "affected", |
| "versionType": "git" |
| }, |
| { |
| "version": "02171da6e86a73e1b343b36722f5d9d5c04b3539", |
| "lessThan": "168e28305b871d8ec604a8f51f35467b8d7ba05b", |
| "status": "affected", |
| "versionType": "git" |
| }, |
| { |
| "version": "a6c3af0a620082d191dabc69c4925b3e6c26dd48", |
| "status": "affected", |
| "versionType": "git" |
| } |
| ] |
| }, |
| { |
| "product": "Linux", |
| "vendor": "Linux", |
| "defaultStatus": "affected", |
| "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", |
| "programFiles": [ |
| "net/bluetooth/iso.c" |
| ], |
| "versions": [ |
| { |
| "version": "6.9", |
| "status": "affected" |
| }, |
| { |
| "version": "0", |
| "lessThan": "6.9", |
| "status": "unaffected", |
| "versionType": "semver" |
| }, |
| { |
| "version": "6.12.6", |
| "lessThanOrEqual": "6.12.*", |
| "status": "unaffected", |
| "versionType": "semver" |
| }, |
| { |
| "version": "6.13", |
| "lessThanOrEqual": "*", |
| "status": "unaffected", |
| "versionType": "original_commit_for_fix" |
| } |
| ] |
| } |
| ], |
| "cpeApplicability": [ |
| { |
| "nodes": [ |
| { |
| "operator": "OR", |
| "negate": false, |
| "cpeMatch": [ |
| { |
| "vulnerable": true, |
| "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", |
| "versionStartIncluding": "6.9", |
| "versionEndExcluding": "6.12.6" |
| }, |
| { |
| "vulnerable": true, |
| "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", |
| "versionStartIncluding": "6.9", |
| "versionEndExcluding": "6.13" |
| }, |
| { |
| "vulnerable": true, |
| "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", |
| "versionStartIncluding": "6.8.12" |
| } |
| ] |
| } |
| ] |
| } |
| ], |
| "references": [ |
| { |
| "url": "https://git.kernel.org/stable/c/c541d7b5e17987ed330798b07d4ad508859c1c93" |
| }, |
| { |
| "url": "https://git.kernel.org/stable/c/168e28305b871d8ec604a8f51f35467b8d7ba05b" |
| } |
| ], |
| "title": "Bluetooth: iso: Fix circular lock in iso_listen_bis", |
| "x_generator": { |
| "engine": "bippy-1.2.0" |
| } |
| } |
| }, |
| "cveMetadata": { |
| "assignerOrgId": "f4215fc3-5b6b-47ff-a258-f7189bd81038", |
| "cveID": "CVE-2024-54460", |
| "requesterUserId": "gregkh@kernel.org", |
| "serial": "1", |
| "state": "PUBLISHED" |
| }, |
| "dataType": "CVE_RECORD", |
| "dataVersion": "5.0" |
| } |
