CVE-2022-49460

CVE.org · Published

Record status: Published
Identifier year (not publication year): 2022
Source publication: Feb 26, 2025
Source updated: May 11, 2026
Imported by cveboard: Oct 24, 2026
Source snapshot: cve_2026-10-24_midnight_baseline · Oct 24, 2026

CNA source text (English)

PM / devfreq: rk3399_dmc: Disable edev on remove()

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 ]---

Scoped product and version facts

Fix information unknown; no fixed version is derived here. Missing information does not prove that no fix exists.

Exploitation unknown; this catalogue does not assess exploitation.

Linux

Vendor: Linux
Product: Linux
Platforms: Unknown
Default status: unaffected

Linux · Scoped product and version facts
Version (version)	Status (status)	Version scheme (versionType)	Exclusive end (lessThan)	Inclusive end (lessThanOrEqual)	Status changes (at → status)
5a893e31a636cca3798af2db5aee8d3d144b1e1e	`affected`	git	664736e2cc09e504ce58ec61164d029d1f2651bb	Unavailable	None listed
5a893e31a636cca3798af2db5aee8d3d144b1e1e	`affected`	git	a0180e324a9a63de8f770da300477b48cb4a53f1	Unavailable	None listed
5a893e31a636cca3798af2db5aee8d3d144b1e1e	`affected`	git	86b091b6894c449d2734de7aa7d79ccb33ffd97d	Unavailable	None listed
5a893e31a636cca3798af2db5aee8d3d144b1e1e	`affected`	git	cb1be1d4be18fe286ba5a67d928598378fd7fbe5	Unavailable	None listed
5a893e31a636cca3798af2db5aee8d3d144b1e1e	`affected`	git	fb089b6f21de03a685dd31df3789bbb01c59f8e3	Unavailable	None listed
5a893e31a636cca3798af2db5aee8d3d144b1e1e	`affected`	git	a9c2b23a7ac6ab19214cad8cac8af8608a4d9cef	Unavailable	None listed
5a893e31a636cca3798af2db5aee8d3d144b1e1e	`affected`	git	2fccf9e6050e0e3b8b4cd275d41daf7f7fa22804	Unavailable	None listed

Linux

Vendor: Linux
Product: Linux
Platforms: Unknown
Default status: affected

Linux · Scoped product and version facts
Version (version)	Status (status)	Version scheme (versionType)	Exclusive end (lessThan)	Inclusive end (lessThanOrEqual)	Status changes (at → status)
4.9	`affected`	Unavailable	Unavailable	Unavailable	None listed
0	`unaffected`	semver	4.9	Unavailable	None listed
4.19.247	`unaffected`	semver	Unavailable	4.19.*	None listed
5.4.198	`unaffected`	semver	Unavailable	5.4.*	None listed
5.10.121	`unaffected`	semver	Unavailable	5.10.*	None listed
5.15.46	`unaffected`	semver	Unavailable	5.15.*	None listed
5.17.14	`unaffected`	semver	Unavailable	5.17.*	None listed
5.18.3	`unaffected`	semver	Unavailable	5.18.*	None listed
5.19	`unaffected`	original_commit_for_fix	Unavailable	*	None listed