CVE-2026-89464Medium· 5.5▾ SunlitIn the Linux kernel, the following vulnerability has been resolved: power: supply: twl4030_charger: cancel workers via devm bci is devm-allocated. Two workers (bci->work and bci->current_worker) dereference it. twl4030_bci_remove() dis…
▾ Sunlit zone — Low / medium · no exploitation signal
impact 30.3 · likelihood 0 · exploitation 0
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Exploit-prediction probability, daily snapshots since Sep 12.
Disclosure to exploitation, from the record and what we observed since indexing it.
Disclosed via CVEORG
0.2%
— → 4.4
none → medium
— → 4.4
none → medium
— → 4.4
none → medium
4.4 → 5.5
0.2% → 0.2%
Last analysed / modified upstream
In the Linux kernel, the following vulnerability has been resolved:
power: supply: twl4030_charger: cancel workers via devm
bci is devm-allocated. Two workers (bci->work and bci->current_worker) dereference it. twl4030_bci_remove() disables charging and masks interrupts. It cancels neither worker. A worker pending at remove() can run after devm frees bci.
The USB transceiver comes from devm_usb_get_phy_by_node(). devm unregisters its notifier only after remove() returns. A cancel_work_sync() in remove() can then race a notifier reschedule. devm_work_autocancel() and devm_delayed_work_autocancel() avoid that. They cancel the workers during devm release, before bci is freed.
The current_worker is registered first, since devm will cancel in reverse order and bci->work can reschedule current_worker.
[Move comment about order into the commit message]
Linux >= d6ccc442b12102414c1343f0adacaa8a1aaa516c < 9644c96ef8646c65d46caa5139a6631e29b79d6cLinux >= d6ccc442b12102414c1343f0adacaa8a1aaa516c < e9fffe10bd791082263c1678f2f6cdd6d7b487e0Linux >= d6ccc442b12102414c1343f0adacaa8a1aaa516c < c46c205bab0dfce4dd54aeb49da3f183e1fdfc63Linux >= d6ccc442b12102414c1343f0adacaa8a1aaa516c < 72a2d6cd049f892853e4e2d8d8fc5e7d0244a458Linux >= d6ccc442b12102414c1343f0adacaa8a1aaa516c < a4460e89d4088cfec2da5be33e265ef1a8e780e9Linux >= d6ccc442b12102414c1343f0adacaa8a1aaa516c < b955da82db4170bdf1c784dc457287aa0c977378Linux >= d6ccc442b12102414c1343f0adacaa8a1aaa516c < 6eba34732524067da2aad5ddfdfbc641ded10e9eLinux 2.6.39Refer to the linked advisories for vendor-supplied fixes and affected version ranges.
Field changes observed since this record was first indexed.
Connected by shared product, vendor, weakness, or advisory.
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