CVE-2025-40108

*** Pendiente de traducción *** In the Linux kernel, the following vulnerability has been resolved:<br /> <br /> serial: qcom-geni: Fix blocked task<br /> <br /> Revert commit 1afa70632c39 ("serial: qcom-geni: Enable PM runtime for<br /> serial driver") and its dependent commit 86fa39dd6fb7 ("serial:<br /> qcom-geni: Enable Serial on SA8255p Qualcomm platforms") because the<br /> first one causes regression - hang task on Qualcomm RB1 board (QRB2210)<br /> and unable to use serial at all during normal boot:<br /> <br /> INFO: task kworker/u16:0:12 blocked for more than 42 seconds.<br /> Not tainted 6.17.0-rc1-00004-g53e760d89498 #9<br /> "echo 0 &gt; /proc/sys/kernel/hung_task_timeout_secs" disables this message.<br /> task:kworker/u16:0 state:D stack:0 pid:12 tgid:12 ppid:2 task_flags:0x4208060 flags:0x00000010<br /> Workqueue: async async_run_entry_fn<br /> Call trace:<br /> __switch_to+0xe8/0x1a0 (T)<br /> __schedule+0x290/0x7c0<br /> schedule+0x34/0x118<br /> rpm_resume+0x14c/0x66c<br /> rpm_resume+0x2a4/0x66c<br /> rpm_resume+0x2a4/0x66c<br /> rpm_resume+0x2a4/0x66c<br /> __pm_runtime_resume+0x50/0x9c<br /> __driver_probe_device+0x58/0x120<br /> driver_probe_device+0x3c/0x154<br /> __driver_attach_async_helper+0x4c/0xc0<br /> async_run_entry_fn+0x34/0xe0<br /> process_one_work+0x148/0x290<br /> worker_thread+0x2c4/0x3e0<br /> kthread+0x118/0x1c0<br /> ret_from_fork+0x10/0x20<br /> <br /> The issue was reported on 12th of August and was ignored by author of<br /> commits introducing issue for two weeks. Only after complaining author<br /> produced a fix which did not work, so if original commits cannot be<br /> reliably fixed for 5 weeks, they obviously are buggy and need to be<br /> dropped.