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In the Linux kernel, the following vulnerability has been resolved:
iio: trigger: sysfs: fix use-after-free on remove
Ensure that the irq_work has completed before the trigger is freed.
================================================================== BUG: KASAN: use-after-free in irq_work_run_list Read of size 8 at addr 0000000064702248 by task python3/25
Call Trace: irq_work_run_list irq_work_tick update_process_times tick_sched_handle tick_sched_timer __hrtimer_run_queues hrtimer_interrupt
Allocated by task 25: kmem_cache_alloc_trace iio_sysfs_trig_add dev_attr_store sysfs_kf_write kernfs_fop_write_iter new_sync_write vfs_write ksys_write sys_write
Freed by task 25: kfree iio_sysfs_trig_remove dev_attr_store sysfs_kf_write kernfs_fop_write_iter new_sync_write vfs_write ksys_write sys_write
==================================================================
| Product | Vendor Advisory | Solution File | Added | Published |
|---|---|---|---|---|
| Debian | — | Upgrade linux | Feb 27, 2025 | Feb 27, 2025 |
| Ubuntu | — | Upgrade linux-azure-5.15Upgrade linux-intel-iotg-5.15Upgrade linux-azure-fdeUpgrade linux-aws-5.4Upgrade linux-oracleUpgrade linux-realtimeUpgrade linux-aws-5.15Upgrade linux-intel-iotgUpgrade linux-azure-5.4Upgrade linux-azureUpgrade linux-gcpUpgrade linux-fipsUpgrade linux-gcp-fipsUpgrade linux-kvmUpgrade linux-hwe-5.4Upgrade linux-aws-fipsUpgrade linux-azure-4.15Upgrade linux-raspi-5.4Upgrade linux-gcp-5.15Upgrade linux-raspiUpgrade linux-bluefieldUpgrade linux-hwe-5.15Upgrade linux-lowlatency-hwe-5.15Upgrade linux-hweUpgrade linux-oracle-5.15Upgrade linux-nvidiaUpgrade linux-ibmUpgrade linux-riscv-5.15Upgrade linux-gcp-4.15Upgrade linux-aws-hweUpgrade linux-iotUpgrade linux-awsUpgrade linux-gkeUpgrade linuxUpgrade linux-ibm-5.4Upgrade linux-azure-fipsUpgrade linux-gkeopUpgrade linux-lowlatencyUpgrade linux-gcp-5.4Upgrade linux-oracle-5.4 | Mar 3, 2025 | Feb 26, 2025 |
| Vmware Photon_os | — | Use 'tdnf update' to upgrade all packages to the latest version. | May 27, 2026 | Feb 26, 2025 |
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