CVE-2022-49685

Katalog CVE

CVSS 7.8 · High EPSS 0,28%

Kerentanan Use After Free pada linux kernel. Skor CVSS 3.1 7.8 (High) menurut CISA ADP.

Deskripsi (NVD)

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 ==================================================================

Rincian

Terbit di NVD

26 Februari 2025

Terakhir diubah

17 Juni 2026

Status NVD

Analyzed

CVSS 3.1

7.8 (High), sumber CISA ADP
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H · uraikan di kalkulator

Jenis kelemahan (CWE)

CWE-416: Use After Free

EPSS (30 hari)

0,28% peluang dieksploitasi; lebih tinggi dari 18,5% CVE lain

Produk dan versi terdampak

> Data dari konfigurasi CPE di NVD.

Referensi dan perbaikan

• https://git.kernel.org/stable/c/31ff3309b47d98313c61b8301bf595820cc3cc33 patch
• https://git.kernel.org/stable/c/4687c3f955240ca2a576bdc3f742d4d915b6272d patch
• https://git.kernel.org/stable/c/4ef1e521be610b720daeb7cf899fedc7db0274c4 patch
• https://git.kernel.org/stable/c/5e39397d60dacc7f5d81d442c1c958eaaaf31128 patch
• https://git.kernel.org/stable/c/78601726d4a59a291acc5a52da1d3a0a6831e4e8 patch
• https://git.kernel.org/stable/c/b07a30a774b3c3e584a68dc91779c68ea2da4813 patch
• https://git.kernel.org/stable/c/d6111e7bdb8ec27eb43d01c4cd4ff1620a75f7f2 patch
• https://git.kernel.org/stable/c/fd5d8fb298a2866c337da635c79d63c3afabcaf7 patch