CVE-2022-49751: Linux Kernel

Medium severity, CVSS 5.5. EPSS: 0.2% chance of exploitation in the next 30 days.

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.

Affected products

• Linux Linux Kernel: from 2.6.28, before 4.14.305 (fixed in 4.14.305); from 4.15, before 4.19.272 (fixed in 4.19.272); from 4.20, before 5.4.231 (fixed in 5.4.231); from 5.5, before 5.10.166 (fixed in 5.10.166); from 5.11, before 5.15.91 (fixed in 5.15.91); from 5.16, before 6.1.9 (fixed in 6.1.9); …

Published 2025-03-27. Last modified 2026-06-17.