CVE-2022-49685
iio: trigger: sysfs: fix use-after-free on remove
At a glance
- Source
- NVD
- EPSS
- EPSS 0.28 % · percentile 20 ()
- State
- PUBLISHED
- Published
- Updated
- Assigner
- Linux
- NVD status
- Analyzed
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 ==================================================================
Weaknesses (CWE)
- CWE-416 — Use After Free
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
Scores
| Version | Score | Vector | Scored by |
|---|---|---|---|
| CVSS 3.1 | HIGH 7.8 | CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H | CISA-ADP |
| CVSS 3.1 | HIGH 7.8 | CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H | NVD · 134c704f-9b21-4f2e-91b3-4a467353bcc0 (Secondary) |
European references
- ENISA EUVD · EUVD-2022-54548
- GCVE · GCVE-0-2022-49685
CERT-FR advisories
- CERTFR-2025-AVI-0336 — Multiples vulnérabilités dans le noyau Linux de SUSE · cert.ssi.gouv.fr
- CERTFR-2025-AVI-0307 — Multiples vulnérabilités dans le noyau Linux de SUSE · cert.ssi.gouv.fr
- CERTFR-2025-AVI-0252 — Multiples vulnérabilités dans le noyau Linux de SUSE · cert.ssi.gouv.fr
Affected configurations (NVD CPE)
cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*≥ 3.7 < 4.9.321cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*≥ 4.10 < 4.14.286cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*≥ 4.15 < 4.19.250cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*≥ 4.20 < 5.4.202cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*≥ 5.5 < 5.10.127cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*≥ 5.11 < 5.15.51cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*≥ 5.16 < 5.18.8cpe:2.3:o:linux:linux_kernel:5.19:rc1:*:*:*:*:*:*cpe:2.3:o:linux:linux_kernel:5.19:rc2:*:*:*:*:*:*cpe:2.3:o:linux:linux_kernel:5.19:rc3:*:*:*:*:*:*
Affected products
| Product | Versions |
|---|---|
| Linux · Linux | affected f38bc926d022ebd67baad6ac7fc22c95fbc6238c < d6111e7bdb8ec27eb43d01c4cd4ff1620a75f7f2 ; affected f38bc926d022ebd67baad6ac7fc22c95fbc6238c < fd5d8fb298a2866c337da635c79d63c3afabcaf7 ; affected f38bc926d022ebd67baad6ac7fc22c95fbc6238c < 31ff3309b47d98313c61b8301bf595820cc3cc33 ; affected f38bc926d022ebd67baad6ac7fc22c95fbc6238c < 5e39397d60dacc7f5d81d442c1c958eaaaf31128 ; affected f38bc926d022ebd67baad6ac7fc22c95fbc6238c < b07a30a774b3c3e584a68dc91779c68ea2da4813 ; affected f38bc926d022ebd67baad6ac7fc22c95fbc6238c < 4687c3f955240ca2a576bdc3f742d4d915b6272d |
| Linux · Linux | affected 3.7 ; unaffected 0 < 3.7 ; unaffected 4.9.321 ≤ 4.9.* ; unaffected 4.14.286 ≤ 4.14.* ; unaffected 4.19.250 ≤ 4.19.* ; unaffected 5.4.202 ≤ 5.4.* |
Sources
| Source | Licence |
|---|---|
| CVE List (CVEProject cvelistV5) | CVE Program Terms of Use |
| EPSS (FIRST.org) | FIRST — attribution requested |
| ENISA EUVD | ENISA — reproduction authorised, source acknowledged |
| CERT-FR (ANSSI) | Licence Ouverte / Etalab 2.0 |
| NVD (NIST) via fkie-cad/nvd-json-data-feeds | Public domain — this product uses data from the NVD API but is not endorsed or certified by the NVD |