Description
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 ==================================================================
Affected products
Version statuses are supplied by the assigning organization. Consult the original record for detailed ranges and platform conditions.
Linux Linux
Default version status: unaffected
f38bc926d022ebd67baad6ac7fc22c95fbc6238c to < d6111e7bdb8ec27eb43d01c4cd4ff1620a75f7f2affectedf38bc926d022ebd67baad6ac7fc22c95fbc6238c to < fd5d8fb298a2866c337da635c79d63c3afabcaf7affectedf38bc926d022ebd67baad6ac7fc22c95fbc6238c to < 31ff3309b47d98313c61b8301bf595820cc3cc33affectedf38bc926d022ebd67baad6ac7fc22c95fbc6238c to < 5e39397d60dacc7f5d81d442c1c958eaaaf31128affectedf38bc926d022ebd67baad6ac7fc22c95fbc6238c to < b07a30a774b3c3e584a68dc91779c68ea2da4813affectedf38bc926d022ebd67baad6ac7fc22c95fbc6238c to < 4687c3f955240ca2a576bdc3f742d4d915b6272daffectedf38bc926d022ebd67baad6ac7fc22c95fbc6238c to < 4ef1e521be610b720daeb7cf899fedc7db0274c4affectedf38bc926d022ebd67baad6ac7fc22c95fbc6238c to < 78601726d4a59a291acc5a52da1d3a0a6831e4e8affected
Linux Linux
Default version status: affected
3.7affected0 to < 3.7unaffected4.9.321 to ≤ 4.9.*unaffected4.14.286 to ≤ 4.14.*unaffected4.19.250 to ≤ 4.19.*unaffected5.4.202 to ≤ 5.4.*unaffected5.10.127 to ≤ 5.10.*unaffected5.15.51 to ≤ 5.15.*unaffected5.18.8 to ≤ 5.18.*unaffected5.19 to ≤ *unaffected
References
- https://git.kernel.org/stable/c/d6111e7bdb8ec27eb43d01c4cd4ff1620a75f7f2 ↗
- https://git.kernel.org/stable/c/fd5d8fb298a2866c337da635c79d63c3afabcaf7 ↗
- https://git.kernel.org/stable/c/31ff3309b47d98313c61b8301bf595820cc3cc33 ↗
- https://git.kernel.org/stable/c/5e39397d60dacc7f5d81d442c1c958eaaaf31128 ↗
- https://git.kernel.org/stable/c/b07a30a774b3c3e584a68dc91779c68ea2da4813 ↗
- https://git.kernel.org/stable/c/4687c3f955240ca2a576bdc3f742d4d915b6272d ↗
- https://git.kernel.org/stable/c/4ef1e521be610b720daeb7cf899fedc7db0274c4 ↗
- https://git.kernel.org/stable/c/78601726d4a59a291acc5a52da1d3a0a6831e4e8 ↗