CVE-2022-49751: w1: fix WARNING after calling w1_process()
Vulnerability summary
CVE-2022-49751 is a medium (CVSS 5.5) vulnerability in linux. EPSS estimates a 0.19% chance of exploitation in the next 30 days, higher than 9.2% of scored vulnerabilities.
Not severe (CVSS 5.5, local access); no exploitation reported by the 5 checked sources
Source freshness unavailable
How is this decided?Advisory lineage
Upstream 0 · Downstream 5 · Related 5Timeline
- 27-03-2025PublishedVulnerability first disclosed.
- 11-05-2026Last modifiedVulnerability information updated.
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.
CVSS metrics
4 scores · 4 sources · 1 version- OSV · UbuntuEcosystem advisory · calculated5.5MediumCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
- OSV · DebianEcosystem advisory · calculated5.5MediumCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
- NVDNIST5.5MediumCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
EPSS trend
Probability
0.19%
Chance of exploitation in the next 30 days
Percentile
9%
Versus all other CVEs
30-day change
No change 0.00 pp
From 0.19% on 04-10-2026
Known exploited
Compare KEV catalogsNot in the CISA KEV catalog.
Not in the ENISA CNW catalog.
Not in the CIRCL catalog.
Public exploits
0 foundNo public exploits indexed.
Weaknesses
CWE · root causeNo weakness data has been published for this record.
Affected systems
Known conditions: local access, low-privilege account, no user interaction (CVSS vector). Other conditions: not stated in public data.
Ubuntu114 products
- linuxAll versions (No fix recorded) | < 4.15.0-209.220 | < 5.4.0-147.164 | < 5.15.0-70.77
- linux-allwinner-5.19All versions (No fix recorded)
- linux-awsAll versions (No fix recorded) | < 4.15.0-1154.167 | < 5.4.0-1100.108 | < 5.15.0-1034.38
- linux-aws-5.0All versions (No fix recorded)
- linux-aws-5.11All versions (No fix recorded)
Linux2 products
- linux≥ 3c52e4e627896b42152cc6ff98216c302932227e, < 190b5c3bbd5df685bb1063bda048831d72b8f1d4 | ≥ 3c52e4e627896b42152cc6ff98216c302932227e, < bccd6df4c177b1ad766f16565ccc298653d027d0 | ≥ 3c52e4e627896b42152cc6ff98216c302932227e, < 276052159ba94d4d9f5b453fb4707d6798c6b845 | ≥ 3c52e4e627896b42152cc6ff98216c302932227e, < 216f35db6ec6a667cd9db4838d657c1d2f4684da | ≥ 3c52e4e627896b42152cc6ff98216c302932227e, < 89c62cee5d4d65ac75d99b5f986f7f94290e888f | ≥ 3c52e4e627896b42152cc6ff98216c302932227e, < cfc7462ff824ed6718ed0272ee9aae88e20d469a | ≥ 3c52e4e627896b42152cc6ff98216c302932227e, < 36225a7c72e9e3e1ce4001b6ce72849f5c9a2d3b | 2.6.28
- linux_kernel≥ 2.6.28, < 4.14.305 | ≥ 4.15, < 4.19.272 | ≥ 4.20, < 5.4.231 | ≥ 5.5, < 5.10.166 | ≥ 5.11, < 5.15.91 | ≥ 5.16, < 6.1.9 | 6.2:rc1 | 6.2:rc2 | 6.2:rc3 | 6.2:rc4
Debian1 product
- linux< 6.1.11-1
3 vendors · 117 products