CVE-2022-49685
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
==================================================================
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
==================================================================
Vendor
Product
CWE
Yayın Tarihi
2025-02-26 07:01:43
Güncelleme
2025-03-24 19:27:25
Source Identifier
416baaa9-dc9f-4396-8d5f-8c081fb06d67
KEV Date Added
-
Kategoriler
Referanslar
https://git.kernel.org/stable/c/31ff3309b47d98313c61b8301bf595820cc3cc33
https://git.kernel.org/stable/c/4687c3f955240ca2a576bdc3f742d4d915b6272d
https://git.kernel.org/stable/c/4ef1e521be610b720daeb7cf899fedc7db0274c4
https://git.kernel.org/stable/c/5e39397d60dacc7f5d81d442c1c958eaaaf31128
https://git.kernel.org/stable/c/78601726d4a59a291acc5a52da1d3a0a6831e4e8
https://git.kernel.org/stable/c/b07a30a774b3c3e584a68dc91779c68ea2da4813
https://git.kernel.org/stable/c/d6111e7bdb8ec27eb43d01c4cd4ff1620a75f7f2
https://git.kernel.org/stable/c/fd5d8fb298a2866c337da635c79d63c3afabcaf7