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CVE-2026-89475

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

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.
Daten sind bereitgestellt durch das CVE Programm von einer CVE Numbering Authority (CNA) (Unstrukturiert).
HerstellerLinux
≫
Produkt Linux
Default Statusunaffected
Version 2219a935963e5eeb19e5abfb99475fcc06bbb804
Version < 9d77fd7dd9a3ad57f7655c5264b503b85adbb7b8
Status affected
Version 2219a935963e5eeb19e5abfb99475fcc06bbb804
Version < a279e64c907f5638bb34cb8e2c9285798cf5f690
Status affected
Version 2219a935963e5eeb19e5abfb99475fcc06bbb804
Version < 6d2eb93975c07b0169a3287efc1ae3b60cf52d8e
Status affected
Version 2219a935963e5eeb19e5abfb99475fcc06bbb804
Version < 861ec73ce86e2ca18082cc7be4f140a5bbdf1428
Status affected
Version 2219a935963e5eeb19e5abfb99475fcc06bbb804
Version < f495808cdd6d9576965787cf6d9737d0b0e86b73
Status affected
Version 2219a935963e5eeb19e5abfb99475fcc06bbb804
Version < 47ccbad210f48721c30d69d65b83dc9fff919ca9
Status affected
Version 2219a935963e5eeb19e5abfb99475fcc06bbb804
Version < 9d34c9d660c3d0931d2cc749c46c47cf31f96e48
Status affected
HerstellerLinux
≫
Produkt Linux
Default Statusaffected
Version 4.2
Status affected
Version 0
Version < 4.2
Status unaffected
Version <= 5.15.*
Version 5.15.221
Status unaffected
Version <= 6.1.*
Version 6.1.188
Status unaffected
Version <= 6.6.*
Version 6.6.157
Status unaffected
Version <= 6.12.*
Version 6.12.109
Status unaffected
Version <= 6.18.*
Version 6.18.50
Status unaffected
Version <= 7.2.*
Version 7.2.4
Status unaffected
Version <= *
Version 7.3-rc1
Status unaffected
VulnDex Vulnerability Enrichment
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Zu dieser CVE wurde keine Warnung gefunden.
EPSS Metriken
Typ Quelle Score Percentile
EPSS FIRST.org 0.2% 0.1
CVSS Metriken
Quelle Base Score Exploit Score Impact Score Vector String
Es wurden noch keine Informationen zu CWE veröffentlicht.
https://git.kernel.org/stable/c/861ec73ce86e2ca18082cc7be4f140a5bbdf1428
https://git.kernel.org/stable/c/f495808cdd6d9576965787cf6d9737d0b0e86b73
https://git.kernel.org/stable/c/47ccbad210f48721c30d69d65b83dc9fff919ca9
https://git.kernel.org/stable/c/9d34c9d660c3d0931d2cc749c46c47cf31f96e48
https://git.kernel.org/stable/c/6d2eb93975c07b0169a3287efc1ae3b60cf52d8e
https://git.kernel.org/stable/c/9d77fd7dd9a3ad57f7655c5264b503b85adbb7b8
https://git.kernel.org/stable/c/a279e64c907f5638bb34cb8e2c9285798cf5f690