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"descriptions": [{"lang": "en", "value": "In the Linux kernel, the following vulnerability has been resolved:\n\niio: trigger: sysfs: fix use-after-free on remove\n\nEnsure that the irq_work has completed before the trigger is freed.\n\n ==================================================================\n BUG: KASAN: use-after-free in irq_work_run_list\n Read of size 8 at addr 0000000064702248 by task python3/25\n\n Call Trace:\n irq_work_run_list\n irq_work_tick\n update_process_times\n tick_sched_handle\n tick_sched_timer\n __hrtimer_run_queues\n hrtimer_interrupt\n\n Allocated by task 25:\n kmem_cache_alloc_trace\n iio_sysfs_trig_add\n dev_attr_store\n sysfs_kf_write\n kernfs_fop_write_iter\n new_sync_write\n vfs_write\n ksys_write\n sys_write\n\n Freed by task 25:\n kfree\n iio_sysfs_trig_remove\n dev_attr_store\n sysfs_kf_write\n kernfs_fop_write_iter\n new_sync_write\n vfs_write\n ksys_write\n sys_write\n\n =================================================================="}, {"lang": "es", "value": "En el kernel de Linux, se ha resuelto la siguiente vulnerabilidad: iio: trigger: sysfs: fix use-after-free on remove Aseg\u00farese de que irq_work se haya completado antes de que se libere el disparador.================================================================== 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 ================================================================== "}], "id": "CVE-2022-49685", "lastModified": "2025-03-24T19:27:25.203", "metrics": 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"https://git.kernel.org/stable/c/4ef1e521be610b720daeb7cf899fedc7db0274c4"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/5e39397d60dacc7f5d81d442c1c958eaaaf31128"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/78601726d4a59a291acc5a52da1d3a0a6831e4e8"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/b07a30a774b3c3e584a68dc91779c68ea2da4813"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/d6111e7bdb8ec27eb43d01c4cd4ff1620a75f7f2"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/fd5d8fb298a2866c337da635c79d63c3afabcaf7"}], "sourceIdentifier": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "vulnStatus": "Analyzed", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-416"}], "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "type": "Secondary"}]}

{"bugzilla": {"description": "kernel: iio: trigger: sysfs: fix use-after-free on remove", "id": "2348138", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2348138"}, "csaw": false, "cvss3": {"cvss3_base_score": "5.5", "cvss3_scoring_vector": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H", "status": "draft"}, "details": ["In the Linux kernel, the following vulnerability has been resolved:\niio: trigger: sysfs: fix use-after-free on remove\nEnsure that the irq_work has completed before the trigger is freed.\n==================================================================\nBUG: KASAN: use-after-free in irq_work_run_list\nRead of size 8 at addr 0000000064702248 by task python3/25\nCall Trace:\nirq_work_run_list\nirq_work_tick\nupdate_process_times\ntick_sched_handle\ntick_sched_timer\n__hrtimer_run_queues\nhrtimer_interrupt\nAllocated by task 25:\nkmem_cache_alloc_trace\niio_sysfs_trig_add\ndev_attr_store\nsysfs_kf_write\nkernfs_fop_write_iter\nnew_sync_write\nvfs_write\nksys_write\nsys_write\nFreed by task 25:\nkfree\niio_sysfs_trig_remove\ndev_attr_store\nsysfs_kf_write\nkernfs_fop_write_iter\nnew_sync_write\nvfs_write\nksys_write\nsys_write\n=================================================================="], "name": "CVE-2022-49685", "package_state": [{"cpe": "cpe:/o:redhat:enterprise_linux:10", "fix_state": "Not affected", "package_name": "kernel", "product_name": "Red Hat Enterprise Linux 10"}, {"cpe": "cpe:/o:redhat:enterprise_linux:6", "fix_state": "Not affected", "package_name": "kernel", "product_name": "Red Hat Enterprise Linux 6"}, {"cpe": "cpe:/o:redhat:enterprise_linux:7", "fix_state": "Not affected", "package_name": "kernel", "product_name": "Red Hat Enterprise Linux 7"}, {"cpe": "cpe:/o:redhat:enterprise_linux:7", "fix_state": "Not affected", "package_name": "kernel-rt", "product_name": "Red Hat Enterprise Linux 7"}, {"cpe": "cpe:/o:redhat:enterprise_linux:8", "fix_state": "Not affected", "package_name": "kernel", "product_name": "Red Hat Enterprise Linux 8"}, {"cpe": "cpe:/o:redhat:enterprise_linux:8", "fix_state": "Not affected", "package_name": "kernel-rt", "product_name": "Red Hat Enterprise Linux 8"}, {"cpe": "cpe:/o:redhat:enterprise_linux:9", "fix_state": "Not affected", "package_name": "kernel", "product_name": "Red Hat Enterprise Linux 9"}, {"cpe": "cpe:/o:redhat:enterprise_linux:9", "fix_state": "Not affected", "package_name": "kernel-rt", "product_name": "Red Hat Enterprise Linux 9"}], "public_date": "2025-02-26T00:00:00Z", "references": ["https://www.cve.org/CVERecord?id=CVE-2022-49685\nhttps://nvd.nist.gov/vuln/detail/CVE-2022-49685\nhttps://lore.kernel.org/linux-cve-announce/2025022626-CVE-2022-49685-3634@gregkh/T"], "threat_severity": "Moderate"}