cve-2024-26886
Vulnerability from cvelistv5
Published
2024-04-17 10:27
Modified
2024-08-02 00:21
Severity
Summary
Bluetooth: af_bluetooth: Fix deadlock
References
SourceURLTags
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/2c9e2df022ef8b9d7fac58a04a2ef4ed25288955
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/64be3c6154886200708da0dfe259705fb992416c
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/817e8138ce86001b2fa5c63d6ede756e205a01f7
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/cb8adca52f306563d958a863bb0cbae9c184d1ae
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/f7b94bdc1ec107c92262716b073b3e816d4784fb
Impacted products
VendorProduct
LinuxLinux
LinuxLinux
Show details on NVD website

To clipboard 

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    "dateReserved": "2024-02-19T14:20:24.185Z",
    "dateUpdated": "2024-08-02T00:21:04.229Z",
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    "nvd": "{\"cve\":{\"id\":\"CVE-2024-26886\",\"sourceIdentifier\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\",\"published\":\"2024-04-17T11:15:10.253\",\"lastModified\":\"2024-04-17T12:48:07.510\",\"vulnStatus\":\"Awaiting Analysis\",\"descriptions\":[{\"lang\":\"en\",\"value\":\"In the Linux kernel, the following vulnerability has been resolved:\\n\\nBluetooth: af_bluetooth: Fix deadlock\\n\\nAttemting to do sock_lock on .recvmsg may cause a deadlock as shown\\nbellow, so instead of using sock_sock this uses sk_receive_queue.lock\\non bt_sock_ioctl to avoid the UAF:\\n\\nINFO: task kworker/u9:1:121 blocked for more than 30 seconds.\\n      Not tainted 6.7.6-lemon #183\\nWorkqueue: hci0 hci_rx_work\\nCall Trace:\\n \u003cTASK\u003e\\n __schedule+0x37d/0xa00\\n schedule+0x32/0xe0\\n __lock_sock+0x68/0xa0\\n ? __pfx_autoremove_wake_function+0x10/0x10\\n lock_sock_nested+0x43/0x50\\n l2cap_sock_recv_cb+0x21/0xa0\\n l2cap_recv_frame+0x55b/0x30a0\\n ? psi_task_switch+0xeb/0x270\\n ? finish_task_switch.isra.0+0x93/0x2a0\\n hci_rx_work+0x33a/0x3f0\\n process_one_work+0x13a/0x2f0\\n worker_thread+0x2f0/0x410\\n ? __pfx_worker_thread+0x10/0x10\\n kthread+0xe0/0x110\\n ? __pfx_kthread+0x10/0x10\\n ret_from_fork+0x2c/0x50\\n ? __pfx_kthread+0x10/0x10\\n ret_from_fork_asm+0x1b/0x30\\n \u003c/TASK\u003e\"},{\"lang\":\"es\",\"value\":\"En el kernel de Linux, se resolvi\u00f3 la siguiente vulnerabilidad: Bluetooth: af_bluetooth: Reparar interbloqueo Intentar ejecutar sock_lock en .recvmsg puede causar un interbloqueo como se muestra a continuaci\u00f3n, por lo que en lugar de usar sock_sock, usa sk_receive_queue.lock en bt_sock_ioctl para evitar el UAF: INFORMACI\u00d3N: tarea kworker/u9:1:121 bloqueada durante m\u00e1s de 30 segundos. No contaminado 6.7.6-lemon #183 Cola de trabajo: hci0 hci_rx_work Seguimiento de llamadas:  __schedule+0x37d/0xa00 Schedule+0x32/0xe0 __lock_sock+0x68/0xa0 ? __pfx_autoremove_wake_function+0x10/0x10 lock_sock_nested+0x43/0x50 l2cap_sock_recv_cb+0x21/0xa0 l2cap_recv_frame+0x55b/0x30a0 ? psi_task_switch+0xeb/0x270? terminar_task_switch.isra.0+0x93/0x2a0 hci_rx_work+0x33a/0x3f0 proceso_one_work+0x13a/0x2f0 trabajador_thread+0x2f0/0x410 ? __pfx_worker_thread+0x10/0x10 kthread+0xe0/0x110 ? __pfx_kthread+0x10/0x10 ret_from_fork+0x2c/0x50 ? __pfx_kthread+0x10/0x10 ret_from_fork_asm+0x1b/0x30 \"}],\"metrics\":{},\"references\":[{\"url\":\"https://git.kernel.org/stable/c/2c9e2df022ef8b9d7fac58a04a2ef4ed25288955\",\"source\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\"},{\"url\":\"https://git.kernel.org/stable/c/64be3c6154886200708da0dfe259705fb992416c\",\"source\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\"},{\"url\":\"https://git.kernel.org/stable/c/817e8138ce86001b2fa5c63d6ede756e205a01f7\",\"source\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\"},{\"url\":\"https://git.kernel.org/stable/c/cb8adca52f306563d958a863bb0cbae9c184d1ae\",\"source\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\"},{\"url\":\"https://git.kernel.org/stable/c/f7b94bdc1ec107c92262716b073b3e816d4784fb\",\"source\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\"}]}}"
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