In the Linux kernel, the following vulnerability has been resolved:
serial: qcom-geni: Fix blocked task
Revert commit 1afa70632c39 ("serial: qcom-geni: Enable PM runtime for serial driver") and its dependent commit 86fa39dd6fb7 ("serial: qcom-geni: Enable Serial on SA8255p Qualcomm platforms") because the first one causes regression - hang task on Qualcomm RB1 board (QRB2210) and unable to use serial at all during normal boot:
INFO: task kworker/u16:0:12 blocked for more than 42 seconds. Not tainted 6.17.0-rc1-00004-g53e760d89498 #9 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. task:kworker/u16:0 state:D stack:0 pid:12 tgid:12 ppid:2 task_flags:0x4208060 flags:0x00000010 Workqueue: async async_run_entry_fn Call trace: __switch_to+0xe8/0x1a0 (T) __schedule+0x290/0x7c0 schedule+0x34/0x118 rpm_resume+0x14c/0x66c rpm_resume+0x2a4/0x66c rpm_resume+0x2a4/0x66c rpm_resume+0x2a4/0x66c __pm_runtime_resume+0x50/0x9c __driver_probe_device+0x58/0x120 driver_probe_device+0x3c/0x154 __driver_attach_async_helper+0x4c/0xc0 async_run_entry_fn+0x34/0xe0 process_one_work+0x148/0x290 worker_thread+0x2c4/0x3e0 kthread+0x118/0x1c0 ret_from_fork+0x10/0x20
The issue was reported on 12th of August and was ignored by author of commits introducing issue for two weeks. Only after complaining author produced a fix which did not work, so if original commits cannot be reliably fixed for 5 weeks, they obviously are buggy and need to be dropped.
Covered by Rapid7
| Product | Vendor Advisory | Solution File | Added | Published |
|---|---|---|---|---|
| Ubuntu | — | Upgrade linux-image-oem-24.04cUpgrade linux-image-genericUpgrade linux-image-gcp-64kUpgrade linux-image-6.17.0-1004-gcpUpgrade linux-image-generic-hwe-24.04Upgrade linux-image-6.17.0-7-genericUpgrade linux-image-virtual-6.17Upgrade linux-image-raspiUpgrade linux-image-realtime-6.17Upgrade linux-image-6.17.0-1004-aws-64kUpgrade linux-image-gcp-64k-6.17Upgrade linux-image-generic-64k-6.17Upgrade linux-image-6.17.0-1004-awsUpgrade linux-image-generic-64kUpgrade linux-image-6.17.0-1004-gcp-64kUpgrade linux-image-aws-64k-6.17Upgrade linux-image-realtime-hwe-24.04Upgrade linux-image-virtualUpgrade linux-image-generic-64k-hwe-24.04Upgrade linux-image-oem-24.04Upgrade linux-image-aws-64kUpgrade linux-image-6.17.0-1003-realtimeUpgrade linux-image-realtimeUpgrade linux-image-gcpUpgrade linux-image-aws-6.17Upgrade linux-image-awsUpgrade linux-image-6.17.0-1005-raspiUpgrade linux-image-gcp-6.17Upgrade linux-image-6.17.0-7-generic-64kUpgrade linux-image-generic-6.17Upgrade linux-image-raspi-6.17Upgrade linux-image-virtual-hwe-24.04 | Dec 5, 2025 | Dec 3, 2025 |
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