power: supply: lp8788-charger: fix use-after-free on remove

MITRE NVD CVE.ORG JSON API

Summary

CVECVE-2026-89468
StatePUBLISHED
AssignerLinux
Source PriorityCVE Program / NVD first with legacy fallback
Published2026-09-11 20:19:27 UTC
Updated2026-09-11 20:19:27 UTC
DescriptionIn the Linux kernel, the following vulnerability has been resolved: power: supply: lp8788-charger: fix use-after-free on remove lp8788_charger_remove() flushes charger_work before unregistering the IRQs. An IRQ thread can queue charger_work after flush_work() has returned. The work can then run after devres frees pchg and dereference it in lp8788_charger_event(). Unregister the IRQs first. free_irq() waits for any running threaded handler, so no handler can queue more work afterwards. Then use cancel_work_sync() to cancel pending work or wait for running work to finish. This issue was found by an in-house static analysis tool.

Vendor Declared Affected Products

SourceVendorProductVersionPlatforms
CNA Linux Linux affected 98a2766493589c18c327ae3dad5243b53fcb5f70 88d8eadfad5d9ff967e74090152940bcfa27df69 git Not specified
CNA Linux Linux affected 98a2766493589c18c327ae3dad5243b53fcb5f70 b3aa1e9509e1b0a863353356d617fb45d1b6250a git Not specified
CNA Linux Linux affected 98a2766493589c18c327ae3dad5243b53fcb5f70 b4eb6a056b441ba0caedfbfc42cec501acf12f67 git Not specified
CNA Linux Linux affected 98a2766493589c18c327ae3dad5243b53fcb5f70 831c29a12d560f8a3225f43050b3fbb5dfd79c66 git Not specified
CNA Linux Linux affected 3.7 Not specified
CNA Linux Linux unaffected 3.7 semver Not specified
CNA Linux Linux unaffected 6.12.109 6.12.* semver Not specified
CNA Linux Linux unaffected 6.18.50 6.18.* semver Not specified
CNA Linux Linux unaffected 7.2.4 7.2.* semver Not specified
CNA Linux Linux unaffected 7.3-rc1 * original_commit_for_fix Not specified

References

ReferenceSourceLinkTags
git.kernel.org/stable/c/88d8eadfad5d9ff967e74090152940bcfa27df69 416baaa9-dc9f-4396-8d5f-8c081fb06d67 git.kernel.org
git.kernel.org/stable/c/831c29a12d560f8a3225f43050b3fbb5dfd79c66 416baaa9-dc9f-4396-8d5f-8c081fb06d67 git.kernel.org
git.kernel.org/stable/c/b4eb6a056b441ba0caedfbfc42cec501acf12f67 416baaa9-dc9f-4396-8d5f-8c081fb06d67 git.kernel.org
git.kernel.org/stable/c/b3aa1e9509e1b0a863353356d617fb45d1b6250a 416baaa9-dc9f-4396-8d5f-8c081fb06d67 git.kernel.org
CVE Program record CVE.ORG www.cve.org canonical
NVD vulnerability detail NVD nvd.nist.gov canonical, analysis

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