CVE-2026-89469High· 8.4▾ TwilightIn the Linux kernel, the following vulnerability has been resolved: power: supply: lp8727: fix use-after-free in lp8727_release_irq() lp8727_isr_func(), the threaded IRQ handler, is the only caller that arms pchg->work via schedule_del…
▾ Twilight zone — High severity, or a signal on a lesser flaw
impact 46.2 · 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%
— → 6.4
none → medium
— → 8.4
none → high
8.4 → 6.4
high → medium
6.4 → 8.4
medium → high
8.4 → 5.5
high → medium
0.2% → 0.2%
Last analysed / modified upstream
5.5 → 8.4
medium → high
In the Linux kernel, the following vulnerability has been resolved:
power: supply: lp8727: fix use-after-free in lp8727_release_irq()
lp8727_isr_func(), the threaded IRQ handler, is the only caller that arms pchg->work via schedule_delayed_work(). lp8727_release_irq() currently cancels the work before freeing the IRQ, so an IRQ delivered in between can re-arm the work through the threaded handler. After .remove returns the devm layer frees pchg while lp8727_delayed_func() may still run and dereference it.
Free the IRQ first so the threaded handler is quiesced and can no longer queue work, then cancel the delayed work to drain the final generation.
This issue was found by an in-house static analysis tool.
Linux >= d71fda01610269e3aaedd451f8d3e34cdf550036 < 1321a4e6247164312eabc6d07f88572da2ee308cLinux >= d71fda01610269e3aaedd451f8d3e34cdf550036 < dc1dc2837f8e53bde2f16d52a63f4142e21757f1Linux >= d71fda01610269e3aaedd451f8d3e34cdf550036 < 035cc6bc4d412dd4302862e8f859b784fcd4653bLinux >= d71fda01610269e3aaedd451f8d3e34cdf550036 < 6f0ce09d60a0e4fab6f9ebe8294750481f0c19ddLinux >= d71fda01610269e3aaedd451f8d3e34cdf550036 < 80d4e40a85ba524e66c8c748aa7bb19eaf2f69dfLinux >= d71fda01610269e3aaedd451f8d3e34cdf550036 < ab6b1ad710bed7931540733ce145493fece8ceefLinux >= d71fda01610269e3aaedd451f8d3e34cdf550036 < 6ab3128292df67295de1b2a86f21d89cf6612a7eLinux >= d71fda01610269e3aaedd451f8d3e34cdf550036 < ceb6ac43b0f591722401922ceb958ce2616935e0Linux 3.7Refer 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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