vulnerability
Ubuntu: (CVE-2022-49954): linux vulnerability
| Severity | CVSS | Published | Added | Modified |
|---|---|---|---|---|
| 5 | (AV:L/AC:L/Au:S/C:N/I:N/A:C) | Jun 18, 2025 | Jun 26, 2025 | Nov 19, 2025 |
Description
In the Linux kernel, the following vulnerability has been resolved:
Input: iforce - wake up after clearing IFORCE_XMIT_RUNNING flag
syzbot is reporting hung task at __input_unregister_device() [1], for
iforce_close() waiting at wait_event_interruptible() with dev->mutex held
is blocking input_disconnect_device() from __input_unregister_device().
It seems that the cause is simply that commit c2b27ef672992a20 ("Input:
iforce - wait for command completion when closing the device") forgot to
call wake_up() after clear_bit().
Fix this problem by introducing a helper that calls clear_bit() followed
by wake_up_all().
Solutions
References
- CVE-2022-49954
- https://attackerkb.com/topics/CVE-2022-49954
- URL-https://git.kernel.org/stable/c/98e01215708b6d416345465c09dce2bd4868c67a
- URL-https://git.kernel.org/stable/c/b271090eea3899399e2adcf79c9c95367d472b03
- URL-https://git.kernel.org/stable/c/b533b9d3a0d1327cbb31c201dc8dbbf98c8bfe3c
- URL-https://git.kernel.org/stable/c/d186c65599bff0222da37b9215784ddfe39f9e1b
- URL-https://git.kernel.org/stable/c/df1b53bc799d58f79701c465505a206c72ad4ab8
- URL-https://www.cve.org/CVERecord?id=CVE-2022-49954
Explore Exposure Command
Confidently identify and prioritize exposures from endpoint to cloud with full attack surface visibility and threat-aware risk context.