CVEvulnerability
CVE-2022-49460
5.5 MEDIUM
Official page ↗
- Status
- Analyzed
- Published
- 2025-02-26
- Last modified
- 2026-06-17
- Assigner
- 416baaa9-dc9f-4396-8d5f-8c081fb06d67
- CVSS 3.1 ([email protected])
- 5.5 MEDIUM — CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
Description
In the Linux kernel, the following vulnerability has been resolved:
PM / devfreq: rk3399_dmc: Disable edev on remove()
Otherwise we hit an unablanced enable-count when unbinding the DFI
device:
[ 1279.659119] ------------[ cut here ]------------
[ 1279.659179] WARNING: CPU: 2 PID: 5638 at drivers/devfreq/devfreq-event.c:360 devfreq_event_remove_edev+0x84/0x8c
...
[ 1279.659352] Hardware name: Google Kevin (DT)
[ 1279.659363] pstate: 80400005 (Nzcv daif +PAN -UAO -TCO BTYPE=--)
[ 1279.659371] pc : devfreq_event_remove_edev+0x84/0x8c
[ 1279.659380] lr : devm_devfreq_event_release+0x1c/0x28
...
[ 1279.659571] Call trace:
[ 1279.659582] devfreq_event_remove_edev+0x84/0x8c
[ 1279.659590] devm_devfreq_event_release+0x1c/0x28
[ 1279.659602] release_nodes+0x1cc/0x244
[ 1279.659611] devres_release_all+0x44/0x60
[ 1279.659621] device_release_driver_internal+0x11c/0x1ac
[ 1279.659629] device_driver_detach+0x20/0x2c
[ 1279.659641] unbind_store+0x7c/0xb0
[ 1279.659650] drv_attr_store+0x2c/0x40
[ 1279.659663] sysfs_kf_write+0x44/0x58
[ 1279.659672] kernfs_fop_write_iter+0xf4/0x190
[ 1279.659684] vfs_write+0x2b0/0x2e4
[ 1279.659693] ksys_write+0x80/0xec
[ 1279.659701] __arm64_sys_write+0x24/0x30
[ 1279.659714] el0_svc_common+0xf0/0x1d8
[ 1279.659724] do_el0_svc_compat+0x28/0x3c
[ 1279.659738] el0_svc_compat+0x10/0x1c
[ 1279.659746] el0_sync_compat_handler+0xa8/0xcc
[ 1279.659758] el0_sync_compat+0x188/0x1c0
[ 1279.659768] ---[ end trace cec200e5094155b4 ]---
Affected configurations
• linux linux kernel (>= 4.9 < 4.19.247)
• linux linux kernel (>= 4.20 < 5.4.198)
• linux linux kernel (>= 5.5 < 5.10.121)
• linux linux kernel (>= 5.11 < 5.15.46)
• linux linux kernel (>= 5.16 < 5.17.14)
• linux linux kernel (>= 5.18 < 5.18.3)
References
- https://git.kernel.org/stable/c/2fccf9e6050e0e3b8b4cd275d41daf7f7fa22804 Patch
- https://git.kernel.org/stable/c/664736e2cc09e504ce58ec61164d029d1f2651bb Patch
- https://git.kernel.org/stable/c/86b091b6894c449d2734de7aa7d79ccb33ffd97d Patch
- https://git.kernel.org/stable/c/a0180e324a9a63de8f770da300477b48cb4a53f1 Patch
- https://git.kernel.org/stable/c/a9c2b23a7ac6ab19214cad8cac8af8608a4d9cef Patch
- https://git.kernel.org/stable/c/cb1be1d4be18fe286ba5a67d928598378fd7fbe5 Patch
- https://git.kernel.org/stable/c/fb089b6f21de03a685dd31df3789bbb01c59f8e3 Patch