CVE-2022-49751

MEDIUM

Linux Kernel <=6.1.9 DoS via w1_process() Task State Mismanagement

Title source: llm
STIX 2.1

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 [<000000002d50bfb6>] 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.

Scores

CVSS v3 5.5
EPSS 0.0018
EPSS Percentile 8.1%
Attack Vector LOCAL
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H

CISA SSVC

Vulnrichment
Exploitation none
Automatable no
Technical Impact partial

Details

Status published
Products (24)
linux/Kernel 2.6.28 - 4.14.305linux
linux/Kernel 4.15.0 - 4.19.272linux
linux/Kernel 4.20.0 - 5.4.231linux
linux/Kernel 5.11.0 - 5.15.91linux
linux/Kernel 5.16.0 - 6.1.9linux
linux/Kernel 5.5.0 - 5.10.166linux
Linux/Linux < 2.6.28
Linux/Linux 2.6.28
Linux/Linux 3c52e4e627896b42152cc6ff98216c302932227e - 190b5c3bbd5df685bb1063bda048831d72b8f1d4
Linux/Linux 3c52e4e627896b42152cc6ff98216c302932227e - 216f35db6ec6a667cd9db4838d657c1d2f4684da
... and 14 more
Published Mar 27, 2025
Tracked Since Feb 18, 2026