Description
In the Linux kernel, the following vulnerability has been resolved:

power: supply: max17040: synchronize work cancellation on suspend

max17040_work() requeues itself after every poll. cancel_delayed_work()
only cancels a pending instance and does not wait for a callback that is
already running.

If system suspend races with the polling callback, the callback can
continue accessing the fuel gauge and requeue itself after the suspend
callback returns.

Use cancel_delayed_work_sync() to ensure polling is quiesced before
suspend completes.
Published: 2026-09-11
Score: 5.5 Medium
EPSS: n/a
KEV: No
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Remediation

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History

Sat, 12 Sep 2026 00:15:00 +0000

Type Values Removed Values Added
Weaknesses CWE-821
References
Metrics threat_severity

None

cvssV3_1

{'score': 5.5, 'vector': 'CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H'}

threat_severity

Moderate


Fri, 11 Sep 2026 23:45:00 +0000

Type Values Removed Values Added
Description In the Linux kernel, the following vulnerability has been resolved: power: supply: max17040: synchronize work cancellation on suspend max17040_work() requeues itself after every poll. cancel_delayed_work() only cancels a pending instance and does not wait for a callback that is already running. If system suspend races with the polling callback, the callback can continue accessing the fuel gauge and requeue itself after the suspend callback returns. Use cancel_delayed_work_sync() to ensure polling is quiesced before suspend completes.
Title power: supply: max17040: synchronize work cancellation on suspend
First Time appeared Linux
Linux linux Kernel
CPEs cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*
Vendors & Products Linux
Linux linux Kernel
References

Subscriptions

Linux Linux Kernel
cve-icon MITRE

Status: PUBLISHED

Assigner: Linux

Published:

Updated: 2026-09-11T19:43:23.323Z

Reserved: 2026-09-11T19:38:34.708Z

Link: CVE-2026-89461

cve-icon Vulnrichment

No data.

cve-icon NVD

Status : Received

Published: 2026-09-11T20:19:27.037

Modified: 2026-09-11T20:19:27.037

Link: CVE-2026-89461

cve-icon Redhat

Severity : Moderate

Publid Date: 2026-09-11T19:43:23Z

Links: CVE-2026-89461 - Bugzilla

cve-icon OpenCVE Enrichment

Updated: 2026-09-12T03:00:10Z

Weaknesses