CVE-2026-89475

CVE-2026-89475

published September 12, 2026

CVSS
—
EPSS
0%
Percentile
10.8
In the wild
Unconfirmed
What it is

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

power: supply: bq24257: fix use-after-free on remove

The STAT-pin interrupt is devm-managed, so it stays armed until the devm

cleanup that runs after remove() returns. remove() cancels

bq->iilimit_setup_work while the threaded handler can still fire; that

handler reschedules the work and dereferences bq, so the work runs

against freed memory once devm frees bq.

Make the delayed work device-managed with devm_delayed_work_autocancel(),

registered before the interrupt request. The devm cleanup then releases

the interrupt first, so the handler can no longer reschedule the work,

and cancels the work before bq is freed. The explicit

cancel_delayed_work_sync() in remove() is no longer needed and is dropped.

Found by static analysis.

The record
Technical detail
CVSS
Not scored
CVSS v4.0
Not supplied
EPSS
0.00211 · 10.8th percentile
Published
2026-09-12T00:19Z
References (7)
EPSS history
Timeline
  • 13 SEP 03:23Z
    EPSS moved — → 0%
    epss
  • 11 SEP 19:43Z
    power: supply: bq24257: fix use-after-free on remove
    cvelistv5