vulnerability
Ubuntu: (CVE-2022-49751): linux vulnerability
| Severity | CVSS | Published | Added | Modified |
|---|---|---|---|---|
| 5 | (AV:L/AC:L/Au:S/C:N/I:N/A:C) | Mar 27, 2025 | Apr 1, 2025 | Jun 12, 2025 |
Description
In the Linux kernel, the following vulnerability has been resolved:
w1: fix WARNING after calling w1_process()
I got the following WARNING message while removing driver(ds2482):
------------[ cut here ]------------
do not call blocking ops when !TASK_RUNNING; state=1 set at [] w1_process+0x9e/0x1d0 [wire]
WARNING: CPU: 0 PID: 262 at kernel/sched/core.c:9817 __might_sleep+0x98/0xa0
CPU: 0 PID: 262 Comm: w1_bus_master1 Tainted: G N 6.1.0-rc3+ #307
RIP: 0010:__might_sleep+0x98/0xa0
Call Trace:
exit_signals+0x6c/0x550
do_exit+0x2b4/0x17e0
kthread_exit+0x52/0x60
kthread+0x16d/0x1e0
ret_from_fork+0x1f/0x30
The state of task is set to TASK_INTERRUPTIBLE in loop in w1_process(),
set it to TASK_RUNNING when it breaks out of the loop to avoid the
warning.
Solution(s)
References
- CVE-2022-49751
- https://attackerkb.com/topics/CVE-2022-49751
- URL-https://git.kernel.org/linus/36225a7c72e9e3e1ce4001b6ce72849f5c9a2d3b
- URL-https://git.kernel.org/stable/c/190b5c3bbd5df685bb1063bda048831d72b8f1d4
- URL-https://git.kernel.org/stable/c/216f35db6ec6a667cd9db4838d657c1d2f4684da
- URL-https://git.kernel.org/stable/c/276052159ba94d4d9f5b453fb4707d6798c6b845
- URL-https://git.kernel.org/stable/c/36225a7c72e9e3e1ce4001b6ce72849f5c9a2d3b
- URL-https://git.kernel.org/stable/c/89c62cee5d4d65ac75d99b5f986f7f94290e888f
- URL-https://git.kernel.org/stable/c/bccd6df4c177b1ad766f16565ccc298653d027d0
- URL-https://git.kernel.org/stable/c/cfc7462ff824ed6718ed0272ee9aae88e20d469a
- URL-https://www.cve.org/CVERecord?id=CVE-2022-49751
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